Removed a deprecation warning

.travis.yml

@@ -1,8 +1,7 @@
 language: rust
 
 cache: 
-  timeout: 360
-  cargo: true
+  - cargo
 
 before_cache:
   - chmod -R a+r $HOME/.cargo
@@ -21,6 +20,9 @@ script:
   - cargo build --verbose
   - cargo test --verbose
 
+after_success:
+  - bash ci/github_pages.sh
+
 before_deploy:
   - sh ci/before_deploy.sh
 
@@ -37,8 +39,8 @@ deploy:
 
 branches:
   only:
+    - "/^v\\d+\\.\\d+\\.\\d+.*$/"
     - master
-    - /^v\d+\.\d+\.\d+.*$/
 
 notifications:
   email:

CONTRIBUTING.md

@@ -48,6 +48,30 @@ mdBook builds on stable Rust, if you want to build mdBook from source, here are
 
 The resulting binary can be found in `mdBook/target/debug/` under the name `mdBook` or `mdBook.exe`.
 
+
+### Making changes to the style
+
+mdBook doesn't use CSS directly but uses [Stylus](http://stylus-lang.com/), a CSS-preprocessor which compiles to CSS.
+
+When you want to change the style, it is important to not change the CSS directly because any manual modification to
+the CSS files will be overwritten when compiling the stylus files. Instead, you should make your changes directly in the
+[stylus files](https://github.com/rust-lang-nursery/mdBook/tree/master/src/theme/stylus) and regenerate the CSS.
+
+For this to work, you first need [Node and NPM](https://nodejs.org/en/) installed on your machine.
+Then run the following command to install both [stylus](http://stylus-lang.com/) and [nib](https://tj.github.io/nib/), you might need `sudo` to install successfully.
+
+```
+npm install -g stylus nib
+```
+
+When that finished, you can simply regenerate the CSS files by building mdBook with the following command:
+
+```
+cargo build --features=regenerate-css
+```
+
+This should automatically call the appropriate stylus command to recompile the files to CSS and include them in the project.
+
 ### Making a pull-request
 
 When you feel comfortable that your changes could be integrated into mdBook, you can create a pull-request on GitHub.

Cargo.toml

@@ -1,18 +1,23 @@
 [package]
 name = "mdbook"
-version = "0.2.0"
-authors = [
-    "Mathieu David <mathieudavid@mathieudavid.org>", 
-    "Michael-F-Bryan <michaelfbryan@gmail.com>",
-    "Matt Ickstadt <mattico8@gmail.com>"
-]
+version = "0.1.6"
+authors = ["Mathieu David <mathieudavid@mathieudavid.org>", "Michael-F-Bryan <michaelfbryan@gmail.com>"]
 description = "Create books from markdown files"
 documentation = "http://rust-lang-nursery.github.io/mdBook/index.html"
 repository = "https://github.com/rust-lang-nursery/mdBook"
 keywords = ["book", "gitbook", "rustbook", "markdown"]
 license = "MPL-2.0"
 readme = "README.md"
-exclude = ["book-example/*"]
+build = "build.rs"
+exclude = [
+    "book-example/*",
+    "src/theme/stylus/**",
+]
+
+[package.metadata.release]
+sign-commit = true
+push-remote = "origin"
+tag-prefix = "v"
 
 [dependencies]
 clap = "2.24"
@@ -20,23 +25,25 @@ chrono = "0.4"
 handlebars = "0.32"
 serde = "1.0"
 serde_derive = "1.0"
-error-chain = "0.12"
+error-chain = "0.11"
 serde_json = "1.0"
 pulldown-cmark = "0.1.2"
 lazy_static = "1.0"
 log = "0.4"
-env_logger = "0.5"
+env_logger = "0.5.0-rc.1"
 toml = "0.4"
 memchr = "2.0"
 open = "1.1"
-regex = "1.0.0"
+regex = "0.2.1"
 tempfile = "3.0"
 itertools = "0.7"
 shlex = "0.1"
-toml-query = "0.7"
+toml-query = "0.6"
 
 # Watch feature
 notify = { version = "4.0", optional = true }
+time = { version = "0.1.34", optional = true }
+crossbeam = { version = "0.3", optional = true }
 
 # Serve feature
 iron = { version = "0.6", optional = true }
@@ -44,9 +51,12 @@ staticfile = { version = "0.5", optional = true }
 ws = { version = "0.7", optional = true}
 
 # Search feature
-elasticlunr-rs = { version = "2.3", optional = true, default-features = false }
+elasticlunr-rs = { version = "2.0", optional = true }
 ammonia = { version = "1.1", optional = true }
 
+[build-dependencies]
+error-chain = "0.11"
+
 [dev-dependencies]
 select = "0.4"
 pretty_assertions = "0.5"
@@ -57,10 +67,12 @@ pulldown-cmark-to-cmark = "1.1.0"
 default = ["output", "watch", "serve", "search"]
 debug = []
 output = []
-watch = ["notify"]
+regenerate-css = []
+watch = ["notify", "time", "crossbeam"]
 serve = ["iron", "staticfile", "ws"]
 search = ["elasticlunr-rs", "ammonia"]
 
 [[bin]]
 doc = false
 name = "mdbook"
+path = "src/bin/mdbook.rs"

README.md

@@ -41,7 +41,7 @@ There are multiple ways to install mdBook.
 
 2. **From Crates.io**
 
-   This requires at least [Rust] 1.20 and Cargo to be installed. Once you have installed
+   This requires [Rust] and Cargo to be installed. Once you have installed
    Rust, type the following in the terminal:
 
    ```

appveyor.yml

@@ -1,6 +1,7 @@
 environment:
   global:
     PROJECT_NAME: mdBook
+    nodejs_version: "6"
   matrix:
     # Stable channel
     - TARGET: i686-pc-windows-msvc
@@ -31,12 +32,17 @@ install:
   - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
   - rustc -Vv
   - cargo -V
+  - ps: Install-Product node $env:nodejs_version
+  - node --version
+  - npm --version
+  - npm install -g stylus nib
 
 build: false
 
 # Equivalent to Travis' `script` phase
 test_script:
   - cargo build --verbose
+  - cargo build --verbose --features=regenerate-css
   - cargo test --verbose
 
 before_deploy:
@@ -61,4 +67,3 @@ deploy:
 branches:
   only:
     - master
-    - /^v\d+\.\d+\.\d+.*$/

book-example/src/SUMMARY.md

@@ -1,27 +1,24 @@
 # Summary
 
 - [mdBook](README.md)
-- [Command Line Tool](cli/README.md)
+- [Command Line Tool](cli/cli-tool.md)
     - [init](cli/init.md)
     - [build](cli/build.md)
     - [watch](cli/watch.md)
     - [serve](cli/serve.md)
     - [test](cli/test.md)
     - [clean](cli/clean.md)
-- [Format](format/README.md)
+- [Format](format/format.md)
     - [SUMMARY.md](format/summary.md)
     - [Configuration](format/config.md)
-    - [Theme](format/theme/README.md)
+    - [Theme](format/theme/theme.md)
         - [index.hbs](format/theme/index-hbs.md)
         - [Syntax highlighting](format/theme/syntax-highlighting.md)
         - [Editor](format/theme/editor.md)
     - [MathJax Support](format/mathjax.md)
     - [mdBook specific features](format/mdbook.md)
-- [Continuous Integration](continuous-integration.md)
-- [For Developers](for_developers/README.md)
+- [For Developers](for_developers/index.md)
     - [Preprocessors](for_developers/preprocessors.md)
     - [Alternate Backends](for_developers/backends.md)
-
 -----------
-
 [Contributors](misc/contributors.md)

book-example/src/cli/build.md

@@ -14,8 +14,8 @@ convenience. Large books will therefore remain structured when rendered.
 
 #### Specify a directory
 
-The `build` command can take a directory as an argument to use as the book's
-root instead of the current working directory.
+Like `init`, the `build` command can take a directory as an argument to use
+instead of the current working directory.
 
 ```bash
 mdbook build path/to/book
@@ -23,16 +23,13 @@ mdbook build path/to/book
 
 #### --open
 
-When you use the `--open` (`-o`) flag, mdbook will open the rendered book in
+When you use the `--open` (`-o`) option, mdbook will open the rendered book in
 your default web browser after building it.
 
 #### --dest-dir
 
-The `--dest-dir` (`-d`) option allows you to change the output directory for
-the book. If not specified it will default to the value of the
-`build.build-dir` key in `book.toml`, or to `./book` relative to the book's
-root directory.
+The `--dest-dir` (`-d`) option allows you to change the output directory for your book.
 
 -------------------
 
-***Note:*** *Make sure to run the build command in the root directory and not in the source directory*
+***note:*** *make sure to run the build command in the root directory and not in the source directory*

book-example/src/cli/clean.md

@@ -7,21 +7,12 @@ artifacts.
 mdbook clean
 ```
 
+It will try to delete the built book. If a path is provided, it will be used.
+
 #### Specify a directory
 
-The `clean` command can take a directory as an argument to use as the book's
-root instead of the current working directory.
-
-```bash
-mdbook clean path/to/book
-```
-
-#### --dest-dir
-
-The `--dest-dir` (`-d`) option allows you to override the book's output
-directory, which will be deleted by this command. If not specified it
-will default to the value of the `build.build-dir` key in `book.toml`, or to
-`./book` relative to the book's root directory.
+Like `init`, the `clean` command can take a directory as an argument to use
+instead of the normal build directory.
 
 ```bash
 mdbook clean --dest-dir=path/to/book

book-example/src/cli/init.md

@@ -1,7 +1,5 @@
 # The init command
-
-There is some minimal boilerplate that is the same for every new book. It's for this purpose
-that mdBook includes an `init` command.
+There is some minimal boilerplate that is the same for every new book. It's for this purpose that mdBook includes an `init` command.
 
 The `init` command is used like this:
 
@@ -24,27 +22,23 @@ configuration files, etc.
 - The `book` directory is where your book is rendered. All the output is ready to be uploaded
 to a server to be seen by your audience.
 
-- The `SUMMARY.md` file is the most important file, it's the skeleton of your book and is
-discussed in more detail [in another chapter](../format/summary.md)
+- The `SUMMARY.md` file is the most important file, it's the skeleton of your book and is discussed in more detail in another  [chapter](format/summary.html).
 
-#### Tip: Generate chapters from SUMMARY.md
-
-When a `SUMMARY.md` file already exists, the `init` command will first parse it and generate the
-missing files according to the paths used in the `SUMMARY.md`. This allows you to think and create
-the whole structure of your book and then let mdBook generate it for you.
+#### Tip & Trick: Hidden Feature
+When a `SUMMARY.md` file already exists, the `init` command will first parse it and generate the missing files according to the paths used in the `SUMMARY.md`. This allows you to think and create the whole structure of your book and then let mdBook generate it for you.
 
 #### Specify a directory
 
-The `init` command can take a directory as an argument to use as the book's
-root instead of the current working directory.
+When using the `init` command, you can also specify a directory, instead of using the current working directory,
+by appending a path to the command:
 
 ```bash
 mdbook init path/to/book
 ```
 
-#### --theme
+## --theme
 
-When you use the `--theme` flag, the default theme will be copied into a directory
+When you use the `--theme` argument, the default theme will be copied into a directory
 called `theme` in your source directory so that you can modify it.
 
 The theme is selectively overwritten, this means that if you don't want to overwrite a

book-example/src/cli/serve.md

@@ -1,50 +1,40 @@
 # The serve command
 
-The serve command is used to preview a book by serving it over HTTP at
-`localhost:3000` by default. Additionally it watches the book's directory
-for changes, rebuilding the book and refreshing clients for each change.
-A websocket connection is used to trigger the client-side refresh.
+The `serve` command is useful when you want to preview your book. It also does hot reloading of the webpage whenever a file changes.
+It achieves this by serving the books content over `localhost:3000` (unless otherwise configured, see below) and runs a websocket server on `localhost:3001` which triggers the reloads.
+This preferred by many for writing books with mdbook because it allows for you to see the result of your work instantly after every file change.
 
 #### Specify a directory
 
-The `serve` command can take a directory as an argument to use as the book's
-root instead of the current working directory.
+Like `watch`, `serve` can take a directory as an argument to use instead of
+the current working directory.
 
 ```bash
 mdbook serve path/to/book
 ```
 
+
 #### Server options
 
-`serve` has four options: the HTTP port, the WebSocket port, the HTTP hostname
-to listen on, and the hostname for the browser to connect to for WebSockets.
+`serve` has four options: the http port, the websocket port, the interface to serve on, and the public address of the server so that the browser may reach the websocket server.
 
-For example: suppose you have an nginx server for SSL termination which has a
-public address of 192.168.1.100 on port 80 and proxied that to 127.0.0.1 on
-port 8000. To run use the nginx proxy do:
+For example: suppose you had an nginx server for SSL termination which has a public address of 192.168.1.100 on port 80 and proxied that to 127.0.0.1 on port 8000. To run use the nginx proxy do:
 
 ```bash
-mdbook serve path/to/book -p 8000 -n 127.0.0.1 --websocket-hostname 192.168.1.100
+mdbook serve path/to/book -p 8000 -i 127.0.0.1 -a 192.168.1.100
 ```
 
-If you were to want live reloading for this you would need to proxy the
-websocket calls through nginx as well from `192.168.1.100:<WS_PORT>` to
-`127.0.0.1:<WS_PORT>`. The `-w` flag allows for the websocket port to be
-configured.
+If you were to want live reloading for this you would need to proxy the websocket calls through nginx as well from `192.168.1.100:<WS_PORT>` to `127.0.0.1:<WS_PORT>`. The `-w` flag allows for the websocket port to be configured.
 
 #### --open
 
-When you use the `--open` (`-o`) flag, mdbook will open the book in your
+When you use the `--open` (`-o`) option, mdbook will open the book in your
 your default web browser after starting the server.
 
 #### --dest-dir
 
-The `--dest-dir` (`-d`) option allows you to change the output directory for
-the book. If not specified it will default to the value of the
-`build.build-dir` key in `book.toml`, or to `./book` relative to the book's
-root directory.
+The `--dest-dir` (`-d`) option allows you to change the output directory for your book.
 
 -----
 
-***Note:*** *The `serve` command is for testing, and is not intended
-to be a complete HTTP server for a website.*
+***note:*** *the `serve` command has not gotten a lot of testing yet, there could be some rough edges. If you discover a problem, please report it [on Github](https://github.com/rust-lang-nursery/mdBook/issues)*

book-example/src/cli/test.md

@@ -1,53 +1,19 @@
 # The test command
 
-When writing a book, you sometimes need to automate some tests. For example,
-[The Rust Programming Book](https://doc.rust-lang.org/stable/book/) uses a lot
-of code examples that could get outdated. Therefore it is very important for
-them to be able to automatically test these code examples.
+When writing a book, you sometimes need to automate some tests. For example, [The Rust Programming Book](https://doc.rust-lang.org/stable/book/) uses a lot of code examples that could get outdated.
+Therefore it is very important for them to be able to automatically test these code examples.
 
-mdBook supports a `test` command that will run all available tests in a book.
-At the moment, only rustdoc tests are supported, but this may be expanded upon
-in the future.
+mdBook supports a `test` command that will run all available tests in mdBook. At the moment, only one test is available:
+*"Test Rust code examples using Rustdoc"*, but I hope this will be expanded in the future to include more tests like:
 
-#### Disable tests on a code block
+- checking for broken links
+- checking for unused files
+- ...
 
-rustdoc doesn't test code blocks which contain the `ignore` attribute:
-
-    ```rust,ignore
-    fn main() {}
-    ```
-
-rustdoc also doesn't test code blocks which specify a language other than Rust:
-
-    ```markdown
-    **Foo**: _bar_
-    ```
-
-rustdoc *does* test code blocks which have no language specified:
-
-    ```
-    This is going to cause an error!
-    ```
-
-#### Specify a directory
-
-The `test` command can take a directory as an argument to use as the book's
-root instead of the current working directory.
+In the future I would like the user to be able to enable / disable test from the `book.toml` configuration file and support custom tests.
 
+**How to use it:**
 ```bash
-mdbook test path/to/book
+$ mdbook test
+[*]: Testing file: "/mdBook/book-example/src/README.md”
 ```
-
-#### --library-path
-
-The `--library-path` (`-L`) option allows you to add directories to the library
-search path used by `rustdoc` when it builds and tests the examples. Multiple
-directories can be specified with multiple options (`-L foo -L bar`) or with a
-comma-delimited list (`-L foo,bar`).
-
-#### --dest-dir
-
-The `--dest-dir` (`-d`) option allows you to change the output directory for
-the book. If not specified it will default to the value of the
-`build.build-dir` key in `book.toml`, or to `./book` relative to the book's
-root directory.

book-example/src/cli/watch.md

@@ -1,14 +1,12 @@
 # The watch command
 
-The `watch` command is useful when you want your book to be rendered on every
-file change. You could repeatedly issue `mdbook build` every time a file is
-changed. But using `mdbook watch` once will watch your files and will trigger
-a build automatically whenever you modify a file.
+The `watch` command is useful when you want your book to be rendered on every file change.
+You could repeatedly issue `mdbook build` every time a file is changed. But using `mdbook watch` once will watch your files and will trigger a build automatically whenever you modify a file.
 
 #### Specify a directory
 
-The `watch` command can take a directory as an argument to use as the book's
-root instead of the current working directory.
+Like `init` and `build`, `watch` can take a directory as an argument to use
+instead of the current working directory.
 
 ```bash
 mdbook watch path/to/book
@@ -21,7 +19,8 @@ your default web browser.
 
 #### --dest-dir
 
-The `--dest-dir` (`-d`) option allows you to change the output directory for
-the book. If not specified it will default to the value of the
-`build.build-dir` key in `book.toml`, or to `./book` relative to the book's
-root directory.
+The `--dest-dir` (`-d`) option allows you to change the output directory for your book.
+
+-----
+
+***note:*** *the `watch` command has not gotten a lot of testing yet, there could be some rough edges. If you discover a problem, please report it [on Github](https://github.com/rust-lang-nursery/mdBook/issues)*

book-example/src/continuous-integration.md

@@ -1,52 +0,0 @@
-# Running `mdbook` in Continuous Integration
-
-While the following examples use Travis CI, their principles should
-straightforwardly transfer to other continuous integration providers as well.
-
-## Ensuring Your Book Builds and Tests Pass
-
-Here is a sample Travis CI `.travis.yml` configuration that ensures `mdbook
-build` and `mdbook test` run successfully. The key to fast CI turnaround times
-is caching `mdbook` installs, so that you aren't compiling `mdbook` on every CI
-run.
-
-```yaml
-language: rust
-sudo: false
-
-cache:
-  - cargo
-
-rust:
-  - stable
-
-before_script:
-  - (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
-  - (test -x $HOME/.cargo/bin/mdbook || cargo install --vers "^0.1" mdbook)
-  - cargo install-update -a
-
-script:
-  - cd path/to/mybook && mdbook build && mdbook test
-```
-
-## Deploying Your Book to GitHub Pages
-
-Following these instructions will result in your book being published to GitHub
-pages after a successful CI run on your repository's `master` branch.
-
-First, create a new GitHub "Personal Access Token" with the "public_repo" permissions (or "repo" for private repositories). Go to your repository's Travis CI settings page and add an environment variable named `GITHUB_TOKEN` that is marked secure and *not* shown in the logs.
-
-Then, append this snippet to your `.travis.yml` and update the path to the `book` directory:
-
-```yaml
-deploy:
-  provider: pages
-  skip-cleanup: true
-  github-token: $GITHUB_TOKEN
-  local-dir: path/to/mybook/book
-  keep-history: false
-  on:
-    branch: master
-```
-
-That's it!

book-example/src/for_developers/index.md

@@ -11,8 +11,8 @@ The *For Developers* chapters are here to show you the more advanced usage of
 
 The two main ways a developer can hook into the book's build process is via,
 
-- [Preprocessors](preprocessors.md)
-- [Alternate Backends](backends.md)
+- [Preprocessors](for_developers/preprocessors.html)
+- [Alternate Backends](for_developers/backends.html)
 
 
 ## The Build Process

book-example/src/format/config.md

@@ -58,21 +58,12 @@ This controls the build process of your book.
   will be created when the book is built (i.e. `create-missing = true`). If this
   is `false` then the build process will instead exit with an error if any files
   do not exist.
-- **preprocess:** Specify which preprocessors to be applied. Default is `["links", "index"]`. To disable default preprocessors, pass an empty array `[]` in.
-
-
-The following preprocessors are available and included by default:
-
-- `links`: Expand the `{{# playpen}}` and `{{# include}}` handlebars helpers in a chapter.
-- `index`: Convert all chapter files named `README.md` into `index.md`. That is to say, all `README.md` would be rendered to an index file `index.html` in the rendered book.
-
 
 **book.toml**
 ```toml
 [build]
 build-dir = "build"
 create-missing = false
-preprocess = ["links", "index"]
 ```
 
 ### HTML renderer options
@@ -113,7 +104,6 @@ Available configuration options for the `[output.html.playpen]` table:
 
 Available configuration options for the `[output.html.search]` table:
 
-- **enable:** Enables the search feature. Defaults to `true`.
 - **limit-results:** The maximum number of search results. Defaults to `30`.
 - **teaser-word-count:** The number of words used for a search result teaser. 
   Defaults to `30`.
@@ -142,11 +132,6 @@ title = "Example book"
 authors = ["John Doe", "Jane Doe"]
 description = "The example book covers examples."
 
-[build]
-build-dir = "book"
-create-missing = true
-preprocess = ["links", "index"]
-
 [output.html]
 theme = "my-theme"
 curly-quotes = true
@@ -169,7 +154,6 @@ boost-hierarchy = 1
 boost-paragraph = 1
 expand = true
 heading-split-level = 3
-copy-js = true
 ```
 
 

book-example/src/format/mathjax.md

@@ -9,13 +9,9 @@ To enable MathJax, you need to add the `mathjax-support` key to your `book.toml`
 mathjax-support = true
 ```
 
->**Note:**
+>**Note:**  
 The usual delimiters MathJax uses are not yet supported. You can't currently use `$$ ... $$` as delimiters and the `\[ ... \]` delimiters need an extra backslash to work. Hopefully this limitation will be lifted soon.
 
->**Note:**
-> When you use double backslashes in MathJax blocks (for example in commands such as `\begin{cases} \frac 1 2 \\ \frac 3 4 \end{cases}`) you need to add _two extra_ backslashes (e.g., `\begin{cases} \frac 1 2 \\\\ \frac 3 4 \end{cases}`).
-
-
 ### Inline equations
 Inline equations are delimited by `\\(` and `\\)`. So for example, to render the following inline equation \\( \int x dx = \frac{x^2}{2} + C \\) you would write the following:
 ```

book-example/src/format/theme/index-hbs.md

@@ -37,7 +37,7 @@ Since the original directory structure is maintained, it is useful to prepend re
 
 In addition to the properties you can access, there are some handlebars helpers at your disposal.
 
-### 1. toc
+1.  ### toc
 
     The toc helper is used like this
 
@@ -68,7 +68,7 @@ In addition to the properties you can access, there are some handlebars helpers
     </script>
     ```
 
-### 2. previous / next
+2.  ### previous / next
 
     The previous and next helpers expose a `link` and `name` property to the previous and next chapters.
 
@@ -87,4 +87,5 @@ In addition to the properties you can access, there are some handlebars helpers
 
 ------
 
-*If you would like other properties or helpers exposed, please [create a new issue](https://github.com/rust-lang-nursery/mdBook/issues)*
+*If you would like me to expose other properties or helpers, please [create a new issue](https://github.com/rust-lang-nursery/mdBook/issues)
+and I will consider it.*

book-example/src/misc/contributors.md

@@ -16,4 +16,3 @@ If you have contributed to mdBook and I forgot to add you, don't hesitate to add
 - [projektir](https://github.com/projektir)
 - [Phaiax](https://github.com/Phaiax)
 - [Matt Ickstadt](https://github.com/mattico)
-- Weihang Lo ([@weihanglo](https://github.com/weihanglo))

build.rs

@@ -0,0 +1,98 @@
+// build.rs
+
+use std::env;
+use std::path::Path;
+#[macro_use]
+extern crate error_chain;
+
+#[cfg(windows)]
+mod execs {
+    use std::process::Command;
+
+    pub fn cmd(program: &str) -> Command {
+        let mut cmd = Command::new("cmd");
+        cmd.args(&["/c", program]);
+        cmd
+    }
+}
+#[cfg(not(windows))]
+mod execs {
+    use std::process::Command;
+
+    pub fn cmd(program: &str) -> Command {
+        Command::new(program)
+    }
+}
+
+
+error_chain!{
+ foreign_links {
+        Io(std::io::Error);
+    }
+}
+
+fn program_exists(program: &str) -> Result<()> {
+    execs::cmd(program).arg("-v")
+                       .output()
+                       .chain_err(|| format!("Please install '{}'!", program))?;
+    Ok(())
+}
+
+fn npm_package_exists(package: &str) -> Result<()> {
+    let status = execs::cmd("npm").args(&["list", "-g"])
+                                  .arg(package)
+                                  .output();
+
+    match status {
+        Ok(ref out) if out.status.success() => Ok(()),
+        _ => {
+            bail!("Missing npm package '{0}' install with: 'npm -g install {0}'",
+                  package)
+        }
+    }
+}
+
+pub enum Resource<'a> {
+    Program(&'a str),
+    Package(&'a str),
+}
+use Resource::{Package, Program};
+
+impl<'a> Resource<'a> {
+    pub fn exists(&self) -> Result<()> {
+        match *self {
+            Program(name) => program_exists(name),
+            Package(name) => npm_package_exists(name),
+        }
+    }
+}
+
+fn run() -> Result<()> {
+    if let Ok(_) = env::var("CARGO_FEATURE_REGENERATE_CSS") {
+        // Check dependencies
+        Program("npm").exists()?;
+        Program("node").exists().or(Program("nodejs").exists())?;
+        Package("nib").exists()?;
+        Package("stylus").exists()?;
+
+        // Compile stylus stylesheet to css
+        let manifest_dir = env::var("CARGO_MANIFEST_DIR")
+            .chain_err(|| "Please run the script with: 'cargo build'!")?;
+        let theme_dir = Path::new(&manifest_dir).join("src/theme/");
+        let stylus_dir = theme_dir.join("stylus/book.styl");
+
+        if !execs::cmd("stylus").arg(stylus_dir)
+                                .arg("--out")
+                                .arg(theme_dir)
+                                .arg("--use")
+                                .arg("nib")
+                                .status()?
+                                .success()
+        {
+            bail!("Stylus encountered an error");
+        }
+    }
+    Ok(())
+}
+
+quick_main!(run);

ci/before_deploy.sh

@@ -15,12 +15,9 @@ main() {
             ;;
     esac
 
-    # This will slow down the build, but is necessary to not run out of disk space
-    cargo clean
-
     cargo rustc --bin mdbook --target $TARGET --release -- -C lto
 
-    cp target/$TARGET/release/mdbook $stage/
+    cp target/release/mdbook $stage/
 
     cd $stage
     tar czf $src/$CRATE_NAME-$TRAVIS_TAG-$TARGET.tar.gz *

ci/github_pages.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+# Deploys the `book-example` to GitHub Pages
+
+set -ex
+
+# Only run this on the master branch for stable
+if [ "$TRAVIS_PULL_REQUEST" != "false" ] || 
+   [ "$TRAVIS_BRANCH" != "master" ] ||
+   [ "$TRAVIS_RUST_VERSION" != "stable" ] ||
+   [ "$TARGET" != "x86_64-unknown-linux-gnu" ]; then
+   exit 0
+fi
+
+# Make sure we have the css dependencies
+npm install -g stylus nib 
+
+NC='\033[39m'
+CYAN='\033[36m'
+GREEN='\033[32m'
+
+rev=$(git rev-parse --short HEAD)
+
+echo -e "${CYAN}Running cargo doc${NC}"
+cargo doc --features regenerate-css > /dev/null
+
+echo -e "${CYAN}Running mdbook build${NC}"
+cargo run -- build book-example/
+
+echo -e "${CYAN}Copying book to target/doc${NC}"
+cp -R book-example/book/* target/doc/
+
+cd target/doc
+
+echo -e "${CYAN}Initializing Git${NC}"
+git init
+git config user.name "Michael Bryan"
+git config user.email "michaelfbryan@gmail.com"
+
+git remote add upstream "https://$GH_TOKEN@github.com/rust-lang-nursery/mdBook.git"
+git fetch upstream --quiet
+git reset upstream/gh-pages --quiet
+
+touch .
+
+echo -e "${CYAN}Pushing changes to gh-pages${NC}"
+git add -A . 
+git commit -m "rebuild pages at ${rev}" --quiet
+git push -q upstream HEAD:gh-pages --quiet
+
+echo -e "${GREEN}Deployed docs to GitHub Pages${NC}"

examples/de-emphasize.rs

@@ -3,15 +3,15 @@ extern crate mdbook;
 extern crate pulldown_cmark;
 extern crate pulldown_cmark_to_cmark;
 
-use mdbook::book::{Book, BookItem, Chapter};
 use mdbook::errors::{Error, Result};
-use mdbook::preprocess::{Preprocessor, PreprocessorContext};
 use mdbook::MDBook;
+use mdbook::book::{Book, BookItem, Chapter};
+use mdbook::preprocess::{Preprocessor, PreprocessorContext};
 use pulldown_cmark::{Event, Parser, Tag};
 use pulldown_cmark_to_cmark::fmt::cmark;
 
-use std::env::{args, args_os};
 use std::ffi::OsString;
+use std::env::{args, args_os};
 use std::process;
 
 struct Deemphasize;

release.toml

@@ -1,3 +0,0 @@
-sign-commit = true
-push-remote = "origin"
-tag-prefix = "v"

rustfmt.toml

@@ -0,0 +1,7 @@
+array_layout = "Visual"
+chain_indent = "Visual"
+fn_args_layout = "Visual"
+fn_call_style = "Visual"
+format_strings = true
+generics_indent = "Visual"
+

src/bin/build.rs

@@ -1,21 +1,21 @@
+use std::path::PathBuf;
 use clap::{App, ArgMatches, SubCommand};
-use mdbook::errors::Result;
 use mdbook::MDBook;
+use mdbook::errors::Result;
 use {get_book_dir, open};
 
 // Create clap subcommand arguments
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("build")
-        .about("Builds a book from its markdown files")
+        .about("Build the book from the markdown files")
+        .arg_from_usage("-o, --open 'Open the compiled book in a web browser'")
         .arg_from_usage(
-            "-d, --dest-dir=[dest-dir] 'Output directory for the book{n}\
-             (If omitted, uses build.build-dir from book.toml or defaults to ./book)'",
+            "-d, --dest-dir=[dest-dir] 'The output directory for your book{n}(Defaults to ./book \
+             when omitted)'",
         )
         .arg_from_usage(
-            "[dir] 'Root directory for the book{n}\
-             (Defaults to the Current Directory when omitted)'",
+            "[dir] 'A directory for your book{n}(Defaults to Current Directory when omitted)'",
         )
-        .arg_from_usage("-o, --open 'Opens the compiled book in a web browser'")
 }
 
 // Build command implementation
@@ -24,7 +24,7 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
     let mut book = MDBook::load(&book_dir)?;
 
     if let Some(dest_dir) = args.value_of("dest-dir") {
-        book.config.build.build_dir = dest_dir.into();
+        book.config.build.build_dir = PathBuf::from(dest_dir);
     }
 
     book.build()?;

src/bin/clean.rs

@@ -1,20 +1,17 @@
-use clap::{App, ArgMatches, SubCommand};
-use get_book_dir;
-use mdbook::errors::*;
-use mdbook::MDBook;
 use std::fs;
+use std::path::PathBuf;
+use clap::{App, ArgMatches, SubCommand};
+use mdbook::MDBook;
+use mdbook::errors::*;
+use get_book_dir;
 
 // Create clap subcommand arguments
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("clean")
-        .about("Deletes a built book")
+        .about("Delete built book")
         .arg_from_usage(
-            "-d, --dest-dir=[dest-dir] 'Output directory for the book{n}\
-             (If omitted, uses build.build-dir from book.toml or defaults to ./book)'",
-        )
-        .arg_from_usage(
-            "[dir] 'Root directory for the book{n}\
-             (Defaults to the Current Directory when omitted)'",
+            "-d, --dest-dir=[dest-dir] 'The directory of built book{n}(Defaults to ./book when \
+             omitted)'",
         )
 }
 
@@ -24,7 +21,7 @@ pub fn execute(args: &ArgMatches) -> ::mdbook::errors::Result<()> {
     let book = MDBook::load(&book_dir)?;
 
     let dir_to_remove = match args.value_of("dest-dir") {
-        Some(dest_dir) => dest_dir.into(),
+        Some(dest_dir) => PathBuf::from(dest_dir),
         None => book.root.join(&book.config.build.build_dir),
     };
     fs::remove_dir_all(&dir_to_remove).chain_err(|| "Unable to remove the build directory")?;

src/bin/init.rs

@@ -1,21 +1,22 @@
-use clap::{App, ArgMatches, SubCommand};
-use get_book_dir;
-use mdbook::config;
-use mdbook::errors::Result;
-use mdbook::MDBook;
 use std::io;
 use std::io::Write;
 use std::process::Command;
+use clap::{App, ArgMatches, SubCommand};
+use mdbook::MDBook;
+use mdbook::errors::Result;
+use mdbook::utils;
+use mdbook::config;
+use get_book_dir;
 
 // Create clap subcommand arguments
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("init")
-        .about("Creates the boilerplate structure and files for a new book")
+        .about("Create boilerplate structure and files in the directory")
         // the {n} denotes a newline which will properly aligned in all help messages
-        .arg_from_usage("[dir] 'Directory to create the book in{n}\
-            (Defaults to the Current Directory when omitted)'")
+        .arg_from_usage("[dir] 'A directory for your book{n}(Defaults to Current Directory \
+                         when omitted)'")
         .arg_from_usage("--theme 'Copies the default theme into your source folder'")
-        .arg_from_usage("--force 'Skips confirmation prompts'")
+        .arg_from_usage("--force 'skip confirmation prompts'")
 }
 
 // Init command implementation

src/bin/mdbook.rs

@@ -8,55 +8,61 @@ extern crate log;
 extern crate mdbook;
 extern crate open;
 
-use chrono::Local;
-use clap::{App, AppSettings, ArgMatches};
-use env_logger::Builder;
-use log::LevelFilter;
-use mdbook::utils;
 use std::env;
 use std::ffi::OsStr;
-use std::io::Write;
 use std::path::{Path, PathBuf};
+use std::io::Write;
+use clap::{App, AppSettings, ArgMatches};
+use chrono::Local;
+use log::LevelFilter;
+use env_logger::Builder;
+use mdbook::utils;
 
-mod cmd;
+pub mod build;
+pub mod clean;
+pub mod init;
+pub mod test;
+#[cfg(feature = "serve")]
+pub mod serve;
+#[cfg(feature = "watch")]
+pub mod watch;
 
-const NAME: &'static str = "mdBook";
-const VERSION: &'static str = concat!("v", crate_version!());
+const NAME: &'static str = "mdbook";
 
 fn main() {
     init_logger();
 
     // Create a list of valid arguments and sub-commands
     let app = App::new(NAME)
-        .about("Creates a book from markdown files")
-        .author("Mathieu David <mathieudavid@mathieudavid.org>")
-        .version(VERSION)
-        .setting(AppSettings::GlobalVersion)
-        .setting(AppSettings::ArgRequiredElseHelp)
-        .after_help(
-            "For more information about a specific command, try `mdbook <command> --help`\n\
-             The source code for mdBook is available at: https://github.com/rust-lang-nursery/mdBook",
-        )
-        .subcommand(cmd::init::make_subcommand())
-        .subcommand(cmd::build::make_subcommand())
-        .subcommand(cmd::test::make_subcommand())
-        .subcommand(cmd::clean::make_subcommand());
+                .about("Create a book in form of a static website from markdown files")
+                .author("Mathieu David <mathieudavid@mathieudavid.org>")
+                // Get the version from our Cargo.toml using clap's crate_version!() macro
+                .version(concat!("v",crate_version!()))
+                .setting(AppSettings::ArgRequiredElseHelp)
+                .after_help("For more information about a specific command, \
+                             try `mdbook <command> --help`\n\
+                             Source code for mdbook available \
+                             at: https://github.com/rust-lang-nursery/mdBook")
+                .subcommand(init::make_subcommand())
+                .subcommand(build::make_subcommand())
+                .subcommand(test::make_subcommand())
+                .subcommand(clean::make_subcommand());
 
     #[cfg(feature = "watch")]
-    let app = app.subcommand(cmd::watch::make_subcommand());
+    let app = app.subcommand(watch::make_subcommand());
     #[cfg(feature = "serve")]
-    let app = app.subcommand(cmd::serve::make_subcommand());
+    let app = app.subcommand(serve::make_subcommand());
 
     // Check which subcomamnd the user ran...
     let res = match app.get_matches().subcommand() {
-        ("init", Some(sub_matches)) => cmd::init::execute(sub_matches),
-        ("build", Some(sub_matches)) => cmd::build::execute(sub_matches),
-        ("clean", Some(sub_matches)) => cmd::clean::execute(sub_matches),
+        ("init", Some(sub_matches)) => init::execute(sub_matches),
+        ("build", Some(sub_matches)) => build::execute(sub_matches),
+        ("clean", Some(sub_matches)) => clean::execute(sub_matches),
         #[cfg(feature = "watch")]
-        ("watch", Some(sub_matches)) => cmd::watch::execute(sub_matches),
+        ("watch", Some(sub_matches)) => watch::execute(sub_matches),
         #[cfg(feature = "serve")]
-        ("serve", Some(sub_matches)) => cmd::serve::execute(sub_matches),
-        ("test", Some(sub_matches)) => cmd::test::execute(sub_matches),
+        ("serve", Some(sub_matches)) => serve::execute(sub_matches),
+        ("test", Some(sub_matches)) => test::execute(sub_matches),
         (_, _) => unreachable!(),
     };
 

src/bin/serve.rs

@@ -2,69 +2,39 @@ extern crate iron;
 extern crate staticfile;
 extern crate ws;
 
-use self::iron::{
-    status, AfterMiddleware, Chain, Iron, IronError, IronResult, Request, Response, Set,
-};
-#[cfg(feature = "watch")]
-use super::watch;
-use clap::{App, Arg, ArgMatches, SubCommand};
-use mdbook::errors::*;
-use mdbook::utils;
-use mdbook::MDBook;
 use std;
+use self::iron::{status, AfterMiddleware, Chain, Iron, IronError, IronResult, Request, Response,
+                 Set};
+use clap::{App, ArgMatches, SubCommand};
+use mdbook::MDBook;
+use mdbook::utils;
+use mdbook::errors::*;
 use {get_book_dir, open};
+#[cfg(feature = "watch")]
+use watch;
 
 struct ErrorRecover;
 
 // Create clap subcommand arguments
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("serve")
-        .about("Serves a book at http://localhost:3000, and rebuilds it on changes")
+        .about("Serve the book at http://localhost:3000. Rebuild and reload on change.")
         .arg_from_usage(
-            "-d, --dest-dir=[dest-dir] 'Output directory for the book{n}\
-             (If omitted, uses build.build-dir from book.toml or defaults to ./book)'",
+            "[dir] 'A directory for your book{n}(Defaults to Current Directory when omitted)'",
+        )
+        .arg_from_usage("-p, --port=[port] 'Use another port{n}(Defaults to 3000)'")
+        .arg_from_usage(
+            "-w, --websocket-port=[ws-port] 'Use another port for the websocket connection \
+             (livereload){n}(Defaults to 3001)'",
         )
         .arg_from_usage(
-            "[dir] 'Root directory for the book{n}\
-             (Defaults to the Current Directory when omitted)'",
+            "-i, --interface=[interface] 'Interface to listen on{n}(Defaults to localhost)'",
         )
-        .arg(
-            Arg::with_name("hostname")
-                .short("n")
-                .long("hostname")
-                .takes_value(true)
-                .default_value("localhost")
-                .empty_values(false)
-                .help("Hostname to listen on for HTTP connections"),
+        .arg_from_usage(
+            "-a, --address=[address] 'Address that the browser can reach the websocket server \
+             from{n}(Defaults to the interface address)'",
         )
-        .arg(
-            Arg::with_name("port")
-                .short("p")
-                .long("port")
-                .takes_value(true)
-                .default_value("3000")
-                .empty_values(false)
-                .help("Port to use for HTTP connections"),
-        )
-        .arg(
-            Arg::with_name("websocket-hostname")
-                .long("websocket-hostname")
-                .takes_value(true)
-                .empty_values(false)
-                .help(
-                    "Hostname to connect to for WebSockets connections (Defaults to the HTTP hostname)",
-                ),
-        )
-        .arg(
-            Arg::with_name("websocket-port")
-                .short("w")
-                .long("websocket-port")
-                .takes_value(true)
-                .default_value("3001")
-                .empty_values(false)
-                .help("Port to use for WebSockets livereload connections"),
-        )
-        .arg_from_usage("-o, --open 'Opens the book server in a web browser'")
+        .arg_from_usage("-o, --open 'Open the book server in a web browser'")
 }
 
 // Watch command implementation
@@ -72,23 +42,19 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
     let book_dir = get_book_dir(args);
     let mut book = MDBook::load(&book_dir)?;
 
-    let port = args.value_of("port").unwrap();
-    let ws_port = args.value_of("websocket-port").unwrap();
-    let hostname = args.value_of("hostname").unwrap();
-    let public_address = args.value_of("websocket-address").unwrap_or(hostname);
+    let port = args.value_of("port").unwrap_or("3000");
+    let ws_port = args.value_of("websocket-port").unwrap_or("3001");
+    let interface = args.value_of("interface").unwrap_or("localhost");
+    let public_address = args.value_of("address").unwrap_or(interface);
     let open_browser = args.is_present("open");
 
-    let address = format!("{}:{}", hostname, port);
-    let ws_address = format!("{}:{}", hostname, ws_port);
+    let address = format!("{}:{}", interface, port);
+    let ws_address = format!("{}:{}", interface, ws_port);
 
     let livereload_url = format!("ws://{}:{}", public_address, ws_port);
     book.config
         .set("output.html.livereload-url", &livereload_url)?;
 
-    if let Some(dest_dir) = args.value_of("dest-dir") {
-        book.config.build.build_dir = dest_dir.into();
-    }
-
     book.build()?;
 
     let mut chain = Chain::new(staticfile::Static::new(book.build_dir_for("html")));
@@ -120,8 +86,10 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
 
         // FIXME: This area is really ugly because we need to re-set livereload :(
 
+        let livereload_url = livereload_url.clone();
+
         let result = MDBook::load(&book_dir)
-            .and_then(|mut b| {
+            .and_then(move |mut b| {
                 b.config.set("output.html.livereload-url", &livereload_url)?;
                 Ok(b)
             })

src/bin/test.rs

@@ -0,0 +1,26 @@
+use clap::{App, ArgMatches, SubCommand};
+use mdbook::MDBook;
+use mdbook::errors::Result;
+use get_book_dir;
+
+// Create clap subcommand arguments
+pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
+    SubCommand::with_name("test")
+        .about("Test that code samples compile")
+        .arg_from_usage(
+            "-L, --library-path [DIR]... 'directory to add to crate search path'",
+        )
+}
+
+// test command implementation
+pub fn execute(args: &ArgMatches) -> Result<()> {
+    let library_paths: Vec<&str> = args.values_of("library-path")
+                                       .map(|v| v.collect())
+                                       .unwrap_or_default();
+    let book_dir = get_book_dir(args);
+    let mut book = MDBook::load(&book_dir)?;
+
+    book.test(library_paths)?;
+
+    Ok(())
+}

src/bin/watch.rs

@@ -1,28 +1,23 @@
 extern crate notify;
 
-use self::notify::Watcher;
-use clap::{App, ArgMatches, SubCommand};
-use mdbook::errors::Result;
-use mdbook::utils;
-use mdbook::MDBook;
 use std::path::Path;
-use std::sync::mpsc::channel;
+use self::notify::Watcher;
 use std::time::Duration;
+use std::sync::mpsc::channel;
+use clap::{App, ArgMatches, SubCommand};
+use mdbook::MDBook;
+use mdbook::utils;
+use mdbook::errors::Result;
 use {get_book_dir, open};
 
 // Create clap subcommand arguments
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("watch")
-        .about("Watches a book's files and rebuilds it on changes")
-        .arg_from_usage(
-            "-d, --dest-dir=[dest-dir] 'Output directory for the book{n}\
-             (If omitted, uses build.build-dir from book.toml or defaults to ./book)'",
-        )
-        .arg_from_usage(
-            "[dir] 'Root directory for the book{n}\
-             (Defaults to the Current Directory when omitted)'",
-        )
+        .about("Watch the files for changes")
         .arg_from_usage("-o, --open 'Open the compiled book in a web browser'")
+        .arg_from_usage(
+            "[dir] 'A directory for your book{n}(Defaults to Current Directory when omitted)'",
+        )
 }
 
 // Watch command implementation
@@ -53,8 +48,8 @@ pub fn trigger_on_change<F>(book: &MDBook, closure: F)
 where
     F: Fn(&Path, &Path),
 {
-    use self::notify::DebouncedEvent::*;
     use self::notify::RecursiveMode::*;
+    use self::notify::DebouncedEvent::*;
 
     // Create a channel to receive the events.
     let (tx, rx) = channel();

src/book/book.rs

@@ -1,8 +1,8 @@
-use std::collections::VecDeque;
 use std::fmt::{self, Display, Formatter};
+use std::path::{Path, PathBuf};
+use std::collections::VecDeque;
 use std::fs::{self, File};
 use std::io::{Read, Write};
-use std::path::{Path, PathBuf};
 
 use super::summary::{parse_summary, Link, SectionNumber, Summary, SummaryItem};
 use config::BuildConfig;
@@ -297,8 +297,8 @@ impl Display for Chapter {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use tempfile::{TempDir, Builder as TempFileBuilder};
     use std::io::Write;
-    use tempfile::{Builder as TempFileBuilder, TempDir};
 
     const DUMMY_SRC: &'static str = "
 # Dummy Chapter
@@ -404,12 +404,14 @@ And here is some \
             ..Default::default()
         };
         let should_be = Book {
-            sections: vec![BookItem::Chapter(Chapter {
-                name: String::from("Chapter 1"),
-                content: String::from(DUMMY_SRC),
-                path: PathBuf::from("chapter_1.md"),
-                ..Default::default()
-            })],
+            sections: vec![
+                BookItem::Chapter(Chapter {
+                    name: String::from("Chapter 1"),
+                    content: String::from(DUMMY_SRC),
+                    path: PathBuf::from("chapter_1.md"),
+                    ..Default::default()
+                }),
+            ],
             ..Default::default()
         };
 
@@ -533,11 +535,13 @@ And here is some \
     fn cant_load_chapters_with_an_empty_path() {
         let (_, temp) = dummy_link();
         let summary = Summary {
-            numbered_chapters: vec![SummaryItem::Link(Link {
-                name: String::from("Empty"),
-                location: PathBuf::from(""),
-                ..Default::default()
-            })],
+            numbered_chapters: vec![
+                SummaryItem::Link(Link {
+                    name: String::from("Empty"),
+                    location: PathBuf::from(""),
+                    ..Default::default()
+                }),
+            ],
             ..Default::default()
         };
 
@@ -552,11 +556,13 @@ And here is some \
         fs::create_dir(&dir).unwrap();
 
         let summary = Summary {
-            numbered_chapters: vec![SummaryItem::Link(Link {
-                name: String::from("nested"),
-                location: dir,
-                ..Default::default()
-            })],
+            numbered_chapters: vec![
+                SummaryItem::Link(Link {
+                    name: String::from("nested"),
+                    location: dir,
+                    ..Default::default()
+                }),
+            ],
             ..Default::default()
         };
 

src/book/init.rs

@@ -1,12 +1,12 @@
 use std::fs::{self, File};
-use std::io::Write;
 use std::path::PathBuf;
+use std::io::Write;
 use toml;
 
-use super::MDBook;
 use config::Config;
-use errors::*;
+use super::MDBook;
 use theme;
+use errors::*;
 
 /// A helper for setting up a new book and its directory structure.
 #[derive(Debug, Clone, PartialEq)]
@@ -127,20 +127,8 @@ impl BookBuilder {
         let mut index = File::create(themedir.join("index.hbs"))?;
         index.write_all(theme::INDEX)?;
 
-        let cssdir = themedir.join("css");
-        fs::create_dir(&cssdir)?;
-
-        let mut general_css = File::create(cssdir.join("general.css"))?;
-        general_css.write_all(theme::GENERAL_CSS)?;
-
-        let mut chrome_css = File::create(cssdir.join("chrome.css"))?;
-        chrome_css.write_all(theme::CHROME_CSS)?;
-
-        let mut print_css = File::create(cssdir.join("print.css"))?;
-        print_css.write_all(theme::PRINT_CSS)?;
-
-        let mut variables_css = File::create(cssdir.join("variables.css"))?;
-        variables_css.write_all(theme::VARIABLES_CSS)?;
+        let mut css = File::create(themedir.join("book.css"))?;
+        css.write_all(theme::CSS)?;
 
         let mut favicon = File::create(themedir.join("favicon.png"))?;
         favicon.write_all(theme::FAVICON)?;

src/book/mod.rs

@@ -5,24 +5,24 @@
 //!
 //! [1]: ../index.html
 
+mod summary;
 mod book;
 mod init;
-mod summary;
 
 pub use self::book::{load_book, Book, BookItem, BookItems, Chapter};
-pub use self::init::BookBuilder;
 pub use self::summary::{parse_summary, Link, SectionNumber, Summary, SummaryItem};
+pub use self::init::BookBuilder;
 
-use std::io::Write;
 use std::path::PathBuf;
+use std::io::Write;
 use std::process::Command;
 use tempfile::Builder as TempFileBuilder;
 use toml::Value;
 
-use errors::*;
-use preprocess::{IndexPreprocessor, LinkPreprocessor, Preprocessor, PreprocessorContext};
-use renderer::{CmdRenderer, HtmlHandlebars, RenderContext, Renderer};
 use utils;
+use renderer::{CmdRenderer, HtmlHandlebars, RenderContext, Renderer};
+use preprocess::{LinkPreprocessor, Preprocessor, PreprocessorContext};
+use errors::*;
 
 use config::Config;
 
@@ -213,13 +213,11 @@ impl MDBook {
             .flat_map(|x| vec![x.0, x.1])
             .collect();
 
-        let temp_dir = TempFileBuilder::new().prefix("mdbook-").tempdir()?;
+        let temp_dir = TempFileBuilder::new().prefix("mdbook").tempdir()?;
 
         let preprocess_context = PreprocessorContext::new(self.root.clone(), self.config.clone());
 
         LinkPreprocessor::new().run(&preprocess_context, &mut self.book)?;
-        // Index Preprocessor is disabled so that chapter paths continue to point to the
-        // actual markdown files.
 
         for item in self.iter() {
             if let BookItem::Chapter(ref ch) = *item {
@@ -324,19 +322,15 @@ fn determine_renderers(config: &Config) -> Vec<Box<Renderer>> {
 }
 
 fn default_preprocessors() -> Vec<Box<Preprocessor>> {
-    vec![
-        Box::new(LinkPreprocessor::new()),
-        Box::new(IndexPreprocessor::new()),
-    ]
+    vec![Box::new(LinkPreprocessor::new())]
 }
 
 /// Look at the `MDBook` and try to figure out what preprocessors to run.
 fn determine_preprocessors(config: &Config) -> Result<Vec<Box<Preprocessor>>> {
     let preprocess_list = match config.build.preprocess {
         Some(ref p) => p,
-        // If no preprocessor field is set, default to the LinkPreprocessor and
-        // IndexPreprocessor. This allows you to disable default preprocessors
-        // by setting "preprocess" to an empty list.
+        // If no preprocessor field is set, default to the LinkPreprocessor. This allows you
+        // to disable the LinkPreprocessor by setting "preprocess" to an empty list.
         None => return Ok(default_preprocessors()),
     };
 
@@ -345,7 +339,6 @@ fn determine_preprocessors(config: &Config) -> Result<Vec<Box<Preprocessor>>> {
     for key in preprocess_list {
         match key.as_ref() {
             "links" => preprocessors.push(Box::new(LinkPreprocessor::new())),
-            "index" => preprocessors.push(Box::new(IndexPreprocessor::new())),
             _ => bail!("{:?} is not a recognised preprocessor", key),
         }
     }
@@ -410,7 +403,7 @@ mod tests {
     }
 
     #[test]
-    fn config_defaults_to_link_and_index_preprocessor_if_not_set() {
+    fn config_defaults_to_link_preprocessor_if_not_set() {
         let cfg = Config::default();
 
         // make sure we haven't got anything in the `output` table
@@ -419,9 +412,8 @@ mod tests {
         let got = determine_preprocessors(&cfg);
 
         assert!(got.is_ok());
-        assert_eq!(got.as_ref().unwrap().len(), 2);
+        assert_eq!(got.as_ref().unwrap().len(), 1);
         assert_eq!(got.as_ref().unwrap()[0].name(), "links");
-        assert_eq!(got.as_ref().unwrap()[1].name(), "index");
     }
 
     #[test]

src/book/summary.rs

@@ -1,10 +1,10 @@
-use errors::*;
-use memchr::{self, Memchr};
-use pulldown_cmark::{self, Event, Tag};
 use std::fmt::{self, Display, Formatter};
 use std::iter::FromIterator;
 use std::ops::{Deref, DerefMut};
 use std::path::{Path, PathBuf};
+use memchr::{self, Memchr};
+use pulldown_cmark::{self, Event, Tag};
+use errors::*;
 
 /// Parse the text from a `SUMMARY.md` file into a sort of "recipe" to be
 /// used when loading a book from disk.
@@ -164,34 +164,33 @@ struct SummaryParser<'a> {
 /// use pattern matching and you won't get errors because `take_while()`
 /// moves `$stream` out of self.
 macro_rules! collect_events {
-    ($stream:expr,start $delimiter:pat) => {
+    ($stream:expr, start $delimiter:pat) => {
         collect_events!($stream, Event::Start($delimiter))
     };
-    ($stream:expr,end $delimiter:pat) => {
+    ($stream:expr, end $delimiter:pat) => {
         collect_events!($stream, Event::End($delimiter))
     };
-    ($stream:expr, $delimiter:pat) => {{
-        let mut events = Vec::new();
+    ($stream:expr, $delimiter:pat) => {
+        {
+            let mut events = Vec::new();
 
-        loop {
-            let event = $stream.next();
-            trace!("Next event: {:?}", event);
+            loop {
+                let event = $stream.next();
+                trace!("Next event: {:?}", event);
 
-            match event {
-                Some($delimiter) => break,
-                Some(other) => events.push(other),
-                None => {
-                    debug!(
-                        "Reached end of stream without finding the closing pattern, {}",
-                        stringify!($delimiter)
-                    );
-                    break;
+                match event {
+                    Some($delimiter) => break,
+                    Some(other) => events.push(other),
+                    None => {
+                        debug!("Reached end of stream without finding the closing pattern, {}", stringify!($delimiter));
+                        break;
+                    }
                 }
             }
-        }
 
-        events
-    }};
+            events
+        }
+    }
 }
 
 impl<'a> SummaryParser<'a> {
@@ -660,12 +659,14 @@ mod tests {
                 name: String::from("First"),
                 location: PathBuf::from("./first.md"),
                 number: Some(SectionNumber(vec![1])),
-                nested_items: vec![SummaryItem::Link(Link {
-                    name: String::from("Nested"),
-                    location: PathBuf::from("./nested.md"),
-                    number: Some(SectionNumber(vec![1, 1])),
-                    nested_items: Vec::new(),
-                })],
+                nested_items: vec![
+                    SummaryItem::Link(Link {
+                        name: String::from("Nested"),
+                        location: PathBuf::from("./nested.md"),
+                        number: Some(SectionNumber(vec![1, 1])),
+                        nested_items: Vec::new(),
+                    }),
+                ],
             }),
             SummaryItem::Link(Link {
                 name: String::from("Second"),

src/cmd/mod.rs

@@ -1,10 +0,0 @@
-//! Subcommand modules for the `mdbook` binary.
-
-pub mod build;
-pub mod clean;
-pub mod init;
-#[cfg(feature = "serve")]
-pub mod serve;
-pub mod test;
-#[cfg(feature = "watch")]
-pub mod watch;

src/cmd/test.rs

@@ -1,44 +0,0 @@
-use clap::{App, Arg, ArgMatches, SubCommand};
-use get_book_dir;
-use mdbook::errors::Result;
-use mdbook::MDBook;
-
-// Create clap subcommand arguments
-pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
-    SubCommand::with_name("test")
-        .about("Tests that a book's Rust code samples compile")
-        .arg_from_usage(
-            "-d, --dest-dir=[dest-dir] 'Output directory for the book{n}\
-             (If omitted, uses build.build-dir from book.toml or defaults to ./book)'",
-        )
-        .arg_from_usage(
-            "[dir] 'Root directory for the book{n}\
-             (Defaults to the Current Directory when omitted)'",
-        )
-        .arg(Arg::with_name("library-path")
-            .short("L")
-            .long("library-path")
-            .value_name("dir")
-            .takes_value(true)
-            .require_delimiter(true)
-            .multiple(true)
-            .empty_values(false)
-            .help("A comma-separated list of directories to add to {n}the crate search path when building tests"))
-}
-
-// test command implementation
-pub fn execute(args: &ArgMatches) -> Result<()> {
-    let library_paths: Vec<&str> = args.values_of("library-path")
-        .map(|v| v.collect())
-        .unwrap_or_default();
-    let book_dir = get_book_dir(args);
-    let mut book = MDBook::load(&book_dir)?;
-
-    if let Some(dest_dir) = args.value_of("dest-dir") {
-        book.config.build.build_dir = dest_dir.into();
-    }
-
-    book.test(library_paths)?;
-
-    Ok(())
-}

src/config.rs

@@ -50,17 +50,17 @@
 
 #![deny(missing_docs)]
 
-use serde::{Deserialize, Deserializer, Serialize, Serializer};
-use serde_json;
-use std::env;
+use std::path::{Path, PathBuf};
 use std::fs::File;
 use std::io::Read;
-use std::path::{Path, PathBuf};
-use toml::value::Table;
+use std::env;
 use toml::{self, Value};
-use toml_query::delete::TomlValueDeleteExt;
-use toml_query::insert::TomlValueInsertExt;
+use toml::value::Table;
 use toml_query::read::TomlValueReadExt;
+use toml_query::insert::TomlValueInsertExt;
+use toml_query::delete::TomlValueDeleteExt;
+use serde::{Deserialize, Deserializer, Serialize, Serializer};
+use serde_json;
 
 use errors::*;
 
@@ -217,10 +217,9 @@ impl Config {
         // figure out what try_into() deserializes to.
         macro_rules! get_and_insert {
             ($table:expr, $key:expr => $out:expr) => {
-                let got = $table
-                    .as_table_mut()
-                    .and_then(|t| t.remove($key))
-                    .and_then(|v| v.try_into().ok());
+                let got = $table.as_table_mut()
+                                .and_then(|t| t.remove($key))
+                                .and_then(|v| v.try_into().ok());
                 if let Some(value) = got {
                     $out = value;
                 }
@@ -464,11 +463,9 @@ impl Default for Playpen {
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 #[serde(default, rename_all = "kebab-case")]
 pub struct Search {
-    /// Enable the search feature. Default: `true`.
-    pub enable: bool,
     /// Maximum number of visible results. Default: `30`.
     pub limit_results: u32,
-    /// The number of words used for a search result teaser. Default: `30`.
+    /// The number of words used for a search result teaser. Default: `30`,
     pub teaser_word_count: u32,
     /// Define the logical link between multiple search words.
     /// If true, all search words must appear in each result. Default: `true`.
@@ -497,7 +494,6 @@ impl Default for Search {
     fn default() -> Search {
         // Please update the documentation of `Search` when changing values!
         Search {
-            enable: true,
             limit_results: 30,
             teaser_word_count: 30,
             use_boolean_and: false,

src/lib.rs

@@ -107,17 +107,17 @@ extern crate toml_query;
 #[macro_use]
 extern crate pretty_assertions;
 
+pub mod preprocess;
 pub mod book;
 pub mod config;
-pub mod preprocess;
 pub mod renderer;
 pub mod theme;
 pub mod utils;
 
-pub use book::BookItem;
 pub use book::MDBook;
-pub use config::Config;
+pub use book::BookItem;
 pub use renderer::Renderer;
+pub use config::Config;
 
 /// The error types used through out this crate.
 pub mod errors {

src/preprocess/index.rs

@@ -1,97 +0,0 @@
-use regex::Regex;
-use std::path::Path;
-
-use errors::*;
-
-use super::{Preprocessor, PreprocessorContext};
-use book::{Book, BookItem};
-
-/// A preprocessor for converting file name `README.md` to `index.md` since
-/// `README.md` is the de facto index file in a markdown-based documentation.
-pub struct IndexPreprocessor;
-
-impl IndexPreprocessor {
-    /// Create a new `IndexPreprocessor`.
-    pub fn new() -> Self {
-        IndexPreprocessor
-    }
-}
-
-impl Preprocessor for IndexPreprocessor {
-    fn name(&self) -> &str {
-        "index"
-    }
-
-    fn run(&self, ctx: &PreprocessorContext, book: &mut Book) -> Result<()> {
-        let source_dir = ctx.root.join(&ctx.config.book.src);
-        book.for_each_mut(|section: &mut BookItem| {
-            if let BookItem::Chapter(ref mut ch) = *section {
-                if is_readme_file(&ch.path) {
-                    let index_md = source_dir.join(ch.path.with_file_name("index.md"));
-                    if index_md.exists() {
-                        warn_readme_name_conflict(&ch.path, &index_md);
-                    }
-
-                    ch.path.set_file_name("index.md");
-                }
-            }
-        });
-
-        Ok(())
-    }
-}
-
-fn warn_readme_name_conflict<P: AsRef<Path>>(readme_path: P, index_path: P) {
-    let file_name = readme_path.as_ref().file_name().unwrap_or_default();
-    let parent_dir = index_path.as_ref().parent().unwrap_or(index_path.as_ref());
-    warn!(
-        "It seems that there are both {:?} and index.md under \"{}\".",
-        file_name,
-        parent_dir.display()
-    );
-    warn!(
-        "mdbook converts {:?} into index.html by default. It may cause",
-        file_name
-    );
-    warn!("unexpected behavior if putting both files under the same directory.");
-    warn!("To solve the warning, try to rearrange the book structure or disable");
-    warn!("\"index\" preprocessor to stop the conversion.");
-}
-
-fn is_readme_file<P: AsRef<Path>>(path: P) -> bool {
-    lazy_static! {
-        static ref RE: Regex = Regex::new(r"(?i)^readme$").unwrap();
-    }
-    RE.is_match(
-        path.as_ref()
-            .file_stem()
-            .and_then(|s| s.to_str())
-            .unwrap_or_default(),
-    )
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn file_stem_exactly_matches_readme_case_insensitively() {
-        let path = "path/to/Readme.md";
-        assert!(is_readme_file(path));
-
-        let path = "path/to/README.md";
-        assert!(is_readme_file(path));
-
-        let path = "path/to/rEaDmE.md";
-        assert!(is_readme_file(path));
-
-        let path = "path/to/README.markdown";
-        assert!(is_readme_file(path));
-
-        let path = "path/to/README";
-        assert!(is_readme_file(path));
-
-        let path = "path/to/README-README.md";
-        assert!(!is_readme_file(path));
-    }
-}

src/preprocess/links.rs

@@ -1,15 +1,14 @@
-use errors::*;
-use regex::{CaptureMatches, Captures, Regex};
 use std::ops::{Range, RangeFrom, RangeFull, RangeTo};
 use std::path::{Path, PathBuf};
+use regex::{CaptureMatches, Captures, Regex};
 use utils::fs::file_to_string;
 use utils::take_lines;
+use errors::*;
 
 use super::{Preprocessor, PreprocessorContext};
 use book::{Book, BookItem};
 
 const ESCAPE_CHAR: char = '\\';
-const MAX_LINK_NESTED_DEPTH: usize = 10;
 
 /// A preprocessor for expanding the `{{# playpen}}` and `{{# include}}`
 /// helpers in a chapter.
@@ -32,13 +31,12 @@ impl Preprocessor for LinkPreprocessor {
 
         book.for_each_mut(|section: &mut BookItem| {
             if let BookItem::Chapter(ref mut ch) = *section {
-                let base = ch
-                    .path
+                let base = ch.path
                     .parent()
                     .map(|dir| src_dir.join(dir))
                     .expect("All book items have a parent");
 
-                let content = replace_all(&ch.content, base, &ch.path, 0);
+                let content = replace_all(&ch.content, base);
                 ch.content = content;
             }
         });
@@ -47,16 +45,11 @@ impl Preprocessor for LinkPreprocessor {
     }
 }
 
-fn replace_all<P1, P2>(s: &str, path: P1, source: P2, depth: usize) -> String
-where
-    P1: AsRef<Path>,
-    P2: AsRef<Path>,
-{
+fn replace_all<P: AsRef<Path>>(s: &str, path: P) -> String {
     // When replacing one thing in a string by something with a different length,
     // the indices after that will not correspond,
     // we therefore have to store the difference to correct this
     let path = path.as_ref();
-    let source = source.as_ref();
     let mut previous_end_index = 0;
     let mut replaced = String::new();
 
@@ -65,18 +58,7 @@ where
 
         match playpen.render_with_path(&path) {
             Ok(new_content) => {
-                if depth < MAX_LINK_NESTED_DEPTH {
-                    if let Some(rel_path) = playpen.link.relative_path(path) {
-                        replaced.push_str(&replace_all(&new_content, rel_path, source, depth + 1));
-                    } else {
-                        replaced.push_str(&new_content);
-                    }
-                } else {
-                    error!(
-                        "Stack depth exceeded in {}. Check for cyclic includes",
-                        source.display()
-                    );
-                }
+                replaced.push_str(&new_content);
                 previous_end_index = playpen.end_index;
             }
             Err(e) => {
@@ -102,27 +84,6 @@ enum LinkType<'a> {
     Playpen(PathBuf, Vec<&'a str>),
 }
 
-impl<'a> LinkType<'a> {
-    fn relative_path<P: AsRef<Path>>(self, base: P) -> Option<PathBuf> {
-        let base = base.as_ref();
-        match self {
-            LinkType::Escaped => None,
-            LinkType::IncludeRange(p, _) => Some(return_relative_path(base, &p)),
-            LinkType::IncludeRangeFrom(p, _) => Some(return_relative_path(base, &p)),
-            LinkType::IncludeRangeTo(p, _) => Some(return_relative_path(base, &p)),
-            LinkType::IncludeRangeFull(p, _) => Some(return_relative_path(base, &p)),
-            LinkType::Playpen(p, _) => Some(return_relative_path(base, &p)),
-        }
-    }
-}
-fn return_relative_path<P: AsRef<Path>>(base: P, relative: P) -> PathBuf {
-    base.as_ref()
-        .join(relative)
-        .parent()
-        .expect("Included file should not be /")
-        .to_path_buf()
-}
-
 fn parse_include_path(path: &str) -> LinkType<'static> {
     let mut parts = path.split(':');
     let path = parts.next().unwrap().into();
@@ -130,7 +91,7 @@ fn parse_include_path(path: &str) -> LinkType<'static> {
     let start = parts
         .next()
         .and_then(|s| s.parse::<usize>().ok())
-        .map(|val| val.saturating_sub(1));
+        .map(|val| val.checked_sub(1).unwrap_or(0));
     let end = parts.next();
     let has_end = end.is_some();
     let end = end.and_then(|s| s.parse::<usize>().ok());
@@ -249,16 +210,15 @@ fn find_links(contents: &str) -> LinkIter {
     // lazily compute following regex
     // r"\\\{\{#.*\}\}|\{\{#([a-zA-Z0-9]+)\s*([a-zA-Z0-9_.\-:/\\\s]+)\}\}")?;
     lazy_static! {
-        static ref RE: Regex = Regex::new(
-            r"(?x)                     # insignificant whitespace mode
-            \\\{\{\#.*\}\}             # match escaped link
-            |                          # or
-            \{\{\s*                    # link opening parens and whitespace
-            \#([a-zA-Z0-9]+)           # link type
-            \s+                        # separating whitespace
-            ([a-zA-Z0-9\s_.\-:/\\]+)   # link target path and space separated properties
-            \s*\}\}                    # whitespace and link closing parens"
-        ).unwrap();
+        static ref RE: Regex = Regex::new(r"(?x) # insignificant whitespace mode
+                    \\\{\{\#.*\}\}               # match escaped link
+                    |                            # or
+                    \{\{\s*                      # link opening parens and whitespace
+                      \#([a-zA-Z0-9]+)           # link type
+                      \s+                        # separating whitespace
+                      ([a-zA-Z0-9\s_.\-:/\\]+)   # link target path and space separated properties
+                    \s*\}\}                      # whitespace and link closing parens
+                                 ").unwrap();
     }
     LinkIter(RE.captures_iter(contents))
 }
@@ -267,21 +227,6 @@ fn find_links(contents: &str) -> LinkIter {
 mod tests {
     use super::*;
 
-    #[test]
-    fn test_replace_all_escaped() {
-        let start = r"
-        Some text over here.
-        ```hbs
-        \{{#include file.rs}} << an escaped link!
-        ```";
-        let end = r"
-        Some text over here.
-        ```hbs
-        {{#include file.rs}} << an escaped link!
-        ```";
-        assert_eq!(replace_all(start, "", "", 0), end);
-    }
-
     #[test]
     fn test_find_links_no_link() {
         let s = "Some random text without link...";
@@ -343,12 +288,14 @@ mod tests {
         println!("\nOUTPUT: {:?}\n", res);
         assert_eq!(
             res,
-            vec![Link {
-                start_index: 22,
-                end_index: 48,
-                link: LinkType::IncludeRange(PathBuf::from("file.rs"), 9..20),
-                link_text: "{{#include file.rs:10:20}}",
-            }]
+            vec![
+                Link {
+                    start_index: 22,
+                    end_index: 48,
+                    link: LinkType::IncludeRange(PathBuf::from("file.rs"), 9..20),
+                    link_text: "{{#include file.rs:10:20}}",
+                },
+            ]
         );
     }
 
@@ -359,12 +306,14 @@ mod tests {
         println!("\nOUTPUT: {:?}\n", res);
         assert_eq!(
             res,
-            vec![Link {
-                start_index: 22,
-                end_index: 45,
-                link: LinkType::IncludeRange(PathBuf::from("file.rs"), 9..10),
-                link_text: "{{#include file.rs:10}}",
-            }]
+            vec![
+                Link {
+                    start_index: 22,
+                    end_index: 45,
+                    link: LinkType::IncludeRange(PathBuf::from("file.rs"), 9..10),
+                    link_text: "{{#include file.rs:10}}",
+                },
+            ]
         );
     }
 
@@ -375,12 +324,14 @@ mod tests {
         println!("\nOUTPUT: {:?}\n", res);
         assert_eq!(
             res,
-            vec![Link {
-                start_index: 22,
-                end_index: 46,
-                link: LinkType::IncludeRangeFrom(PathBuf::from("file.rs"), 9..),
-                link_text: "{{#include file.rs:10:}}",
-            }]
+            vec![
+                Link {
+                    start_index: 22,
+                    end_index: 46,
+                    link: LinkType::IncludeRangeFrom(PathBuf::from("file.rs"), 9..),
+                    link_text: "{{#include file.rs:10:}}",
+                },
+            ]
         );
     }
 
@@ -391,12 +342,14 @@ mod tests {
         println!("\nOUTPUT: {:?}\n", res);
         assert_eq!(
             res,
-            vec![Link {
-                start_index: 22,
-                end_index: 46,
-                link: LinkType::IncludeRangeTo(PathBuf::from("file.rs"), ..20),
-                link_text: "{{#include file.rs::20}}",
-            }]
+            vec![
+                Link {
+                    start_index: 22,
+                    end_index: 46,
+                    link: LinkType::IncludeRangeTo(PathBuf::from("file.rs"), ..20),
+                    link_text: "{{#include file.rs::20}}",
+                },
+            ]
         );
     }
 
@@ -407,12 +360,14 @@ mod tests {
         println!("\nOUTPUT: {:?}\n", res);
         assert_eq!(
             res,
-            vec![Link {
-                start_index: 22,
-                end_index: 44,
-                link: LinkType::IncludeRangeFull(PathBuf::from("file.rs"), ..),
-                link_text: "{{#include file.rs::}}",
-            }]
+            vec![
+                Link {
+                    start_index: 22,
+                    end_index: 44,
+                    link: LinkType::IncludeRangeFull(PathBuf::from("file.rs"), ..),
+                    link_text: "{{#include file.rs::}}",
+                },
+            ]
         );
     }
 
@@ -423,12 +378,14 @@ mod tests {
         println!("\nOUTPUT: {:?}\n", res);
         assert_eq!(
             res,
-            vec![Link {
-                start_index: 22,
-                end_index: 42,
-                link: LinkType::IncludeRangeFull(PathBuf::from("file.rs"), ..),
-                link_text: "{{#include file.rs}}",
-            }]
+            vec![
+                Link {
+                    start_index: 22,
+                    end_index: 42,
+                    link: LinkType::IncludeRangeFull(PathBuf::from("file.rs"), ..),
+                    link_text: "{{#include file.rs}}",
+                },
+            ]
         );
     }
 
@@ -441,12 +398,14 @@ mod tests {
 
         assert_eq!(
             res,
-            vec![Link {
-                start_index: 38,
-                end_index: 68,
-                link: LinkType::Escaped,
-                link_text: "\\{{#playpen file.rs editable}}",
-            }]
+            vec![
+                Link {
+                    start_index: 38,
+                    end_index: 68,
+                    link: LinkType::Escaped,
+                    link_text: "\\{{#playpen file.rs editable}}",
+                },
+            ]
         );
     }
 

src/preprocess/mod.rs

@@ -1,9 +1,7 @@
 //! Book preprocessing.
 
-pub use self::index::IndexPreprocessor;
 pub use self::links::LinkPreprocessor;
 
-mod index;
 mod links;
 
 use book::Book;
@@ -12,7 +10,7 @@ use errors::*;
 
 use std::path::PathBuf;
 
-/// Extra information for a `Preprocessor` to give them more context when
+/// Extra information for a `Preprocessor` to give them more context when 
 /// processing a book.
 pub struct PreprocessorContext {
     /// The location of the book directory on disk.
@@ -28,7 +26,7 @@ impl PreprocessorContext {
     }
 }
 
-/// An operation which is run immediately after loading a book into memory and
+/// An operation which is run immediately after loading a book into memory and 
 /// before it gets rendered.
 pub trait Preprocessor {
     /// Get the `Preprocessor`'s name.
@@ -37,4 +35,4 @@ pub trait Preprocessor {
     /// Run this `Preprocessor`, allowing it to update the book before it is
     /// given to a renderer.
     fn run(&self, ctx: &PreprocessorContext, book: &mut Book) -> Result<()>;
-}
+}

src/renderer/html_handlebars/hbs_renderer.rs

@@ -1,14 +1,15 @@
-use book::{Book, BookItem};
+use book::{Book, BookItem, Chapter};
 use config::{Config, HtmlConfig, Playpen};
 use errors::*;
-use renderer::html_handlebars::helpers;
 use renderer::{RenderContext, Renderer};
-use theme::{self, playpen_editor, Theme};
+use renderer::html_handlebars::helpers;
+use theme::{self, Theme, playpen_editor};
 use utils;
 
 use std::collections::BTreeMap;
 use std::collections::HashMap;
-use std::fs;
+use std::fs::{self, File};
+use std::io::Read;
 use std::path::{Path, PathBuf};
 
 use handlebars::Handlebars;
@@ -40,7 +41,11 @@ impl HtmlHandlebars {
                 let path = ch.path
                     .to_str()
                     .chain_err(|| "Could not convert path to str")?;
-                let filepath = Path::new(&ch.path).with_extension("html");
+                let filepath = Path::new(&ch.path)
+                    .with_extension("html");
+                let filepathstr = filepath.to_str()
+                    .chain_err(|| "Could not convert HTML path to str")?;
+                let filepathstr = utils::fs::normalize_path(filepathstr);
 
                 // "print.html" is used for the print page.
                 if ch.path == Path::new("print.md") {
@@ -51,9 +56,9 @@ impl HtmlHandlebars {
                 let title: String;
                 {
                     let book_title = ctx.data
-                        .get("book_title")
-                        .and_then(serde_json::Value::as_str)
-                        .unwrap_or("");
+                                        .get("book_title")
+                                        .and_then(serde_json::Value::as_str)
+                                        .unwrap_or("");
                     title = ch.name.clone() + " - " + book_title;
                 }
 
@@ -61,33 +66,25 @@ impl HtmlHandlebars {
                 ctx.data.insert("content".to_owned(), json!(content));
                 ctx.data.insert("chapter_title".to_owned(), json!(ch.name));
                 ctx.data.insert("title".to_owned(), json!(title));
-                ctx.data.insert(
-                    "path_to_root".to_owned(),
-                    json!(utils::fs::path_to_root(&ch.path)),
-                );
+                ctx.data.insert("path_to_root".to_owned(),
+                                json!(utils::fs::path_to_root(&ch.path)));
 
                 // Render the handlebars template with the data
                 debug!("Render template");
                 let rendered = ctx.handlebars.render("index", &ctx.data)?;
 
-                let rendered = self.post_process(rendered, &ctx.html_config.playpen);
+                let rendered = self.post_process(
+                    rendered,
+                    &filepathstr,
+                    &ctx.html_config.playpen,
+                );
 
                 // Write to file
-                debug!("Creating {}", filepath.display());
-                utils::fs::write_file(&ctx.destination, &filepath, rendered.as_bytes())?;
+                debug!("Creating {} ✓", filepathstr);
+                utils::fs::write_file(&ctx.destination, &filepath, &rendered.into_bytes())?;
 
                 if ctx.is_index {
-                    ctx.data.insert("path".to_owned(), json!("index.html"));
-                    ctx.data.insert("path_to_root".to_owned(), json!(""));
-                    let rendered_index = ctx.handlebars.render("index", &ctx.data)?;
-                    let rendered_index =
-                        self.post_process(rendered_index, &ctx.html_config.playpen);
-                    debug!("Creating index.html from {}", path);
-                    utils::fs::write_file(
-                        &ctx.destination,
-                        "index.html",
-                        rendered_index.as_bytes(),
-                    )?;
+                    self.render_index(ch, &ctx.destination)?;
                 }
             }
             _ => {}
@@ -96,9 +93,41 @@ impl HtmlHandlebars {
         Ok(())
     }
 
+    /// Create an index.html from the first element in SUMMARY.md
+    fn render_index(&self, ch: &Chapter, destination: &Path) -> Result<()> {
+        debug!("index.html");
+
+        let mut content = String::new();
+
+        File::open(destination.join(&ch.path.with_extension("html")))?
+            .read_to_string(&mut content)?;
+
+        // This could cause a problem when someone displays
+        // code containing <base href=...>
+        // on the front page, however this case should be very very rare...
+        content = content.lines()
+                         .filter(|line| !line.contains("<base href="))
+                         .collect::<Vec<&str>>()
+                         .join("\n");
+
+        utils::fs::write_file(destination, "index.html", content.as_bytes())?;
+
+        debug!(
+            "Creating index.html from {} ✓",
+            destination.join(&ch.path.with_extension("html")).display()
+        );
+
+        Ok(())
+    }
+
     #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))]
-    fn post_process(&self, rendered: String, playpen_config: &Playpen) -> String {
-        let rendered = build_header_links(&rendered);
+    fn post_process(&self,
+                    rendered: String,
+                    filepath: &str,
+                    playpen_config: &Playpen)
+                    -> String {
+        let rendered = build_header_links(&rendered, filepath);
+        let rendered = fix_anchor_links(&rendered, filepath);
         let rendered = fix_code_blocks(&rendered);
         let rendered = add_playpen_pre(&rendered, playpen_config);
 
@@ -113,17 +142,8 @@ impl HtmlHandlebars {
     ) -> Result<()> {
         use utils::fs::write_file;
 
-        write_file(
-            destination,
-            ".nojekyll",
-            b"This file makes sure that Github Pages doesn't process mdBook's output.",
-        )?;
-
         write_file(destination, "book.js", &theme.js)?;
-        write_file(destination, "css/general.css", &theme.general_css)?;
-        write_file(destination, "css/chrome.css", &theme.chrome_css)?;
-        write_file(destination, "css/print.css", &theme.print_css)?;
-        write_file(destination, "css/variables.css", &theme.variables_css)?;
+        write_file(destination, "book.css", &theme.css)?;
         write_file(destination, "favicon.png", &theme.favicon)?;
         write_file(destination, "highlight.css", &theme.highlight_css)?;
         write_file(destination, "tomorrow-night.css", &theme.tomorrow_night_css)?;
@@ -132,37 +152,37 @@ impl HtmlHandlebars {
         write_file(destination, "clipboard.min.js", &theme.clipboard_js)?;
         write_file(
             destination,
-            "FontAwesome/css/font-awesome.css",
+            "_FontAwesome/css/font-awesome.css",
             theme::FONT_AWESOME,
         )?;
         write_file(
             destination,
-            "FontAwesome/fonts/fontawesome-webfont.eot",
+            "_FontAwesome/fonts/fontawesome-webfont.eot",
             theme::FONT_AWESOME_EOT,
         )?;
         write_file(
             destination,
-            "FontAwesome/fonts/fontawesome-webfont.svg",
+            "_FontAwesome/fonts/fontawesome-webfont.svg",
             theme::FONT_AWESOME_SVG,
         )?;
         write_file(
             destination,
-            "FontAwesome/fonts/fontawesome-webfont.ttf",
+            "_FontAwesome/fonts/fontawesome-webfont.ttf",
             theme::FONT_AWESOME_TTF,
         )?;
         write_file(
             destination,
-            "FontAwesome/fonts/fontawesome-webfont.woff",
+            "_FontAwesome/fonts/fontawesome-webfont.woff",
             theme::FONT_AWESOME_WOFF,
         )?;
         write_file(
             destination,
-            "FontAwesome/fonts/fontawesome-webfont.woff2",
+            "_FontAwesome/fonts/fontawesome-webfont.woff2",
             theme::FONT_AWESOME_WOFF2,
         )?;
         write_file(
             destination,
-            "FontAwesome/fonts/FontAwesome.ttf",
+            "_FontAwesome/fonts/FontAwesome.ttf",
             theme::FONT_AWESOME_TTF,
         )?;
 
@@ -175,8 +195,7 @@ impl HtmlHandlebars {
             write_file(destination, "ace.js", playpen_editor::ACE_JS)?;
             write_file(destination, "mode-rust.js", playpen_editor::MODE_RUST_JS)?;
             write_file(destination, "theme-dawn.js", playpen_editor::THEME_DAWN_JS)?;
-            write_file(
-                destination,
+            write_file(destination,
                 "theme-tomorrow_night.js",
                 playpen_editor::THEME_TOMORROW_NIGHT_JS,
             )?;
@@ -186,42 +205,28 @@ impl HtmlHandlebars {
     }
 
     /// Update the context with data for this file
-    fn configure_print_version(
-        &self,
-        data: &mut serde_json::Map<String, serde_json::Value>,
-        print_content: &str,
-    ) {
+    fn configure_print_version(&self,
+                               data: &mut serde_json::Map<String, serde_json::Value>,
+                               print_content: &str) {
         // Make sure that the Print chapter does not display the title from
         // the last rendered chapter by removing it from its context
         data.remove("title");
         data.insert("is_print".to_owned(), json!(true));
         data.insert("path".to_owned(), json!("print.md"));
         data.insert("content".to_owned(), json!(print_content));
-        data.insert(
-            "path_to_root".to_owned(),
-            json!(utils::fs::path_to_root(Path::new("print.md"))),
-        );
+        data.insert("path_to_root".to_owned(),
+                    json!(utils::fs::path_to_root(Path::new("print.md"))));
     }
 
     fn register_hbs_helpers(&self, handlebars: &mut Handlebars, html_config: &HtmlConfig) {
-        handlebars.register_helper(
-            "toc",
-            Box::new(helpers::toc::RenderToc {
-                no_section_label: html_config.no_section_label,
-            }),
-        );
+        handlebars.register_helper("toc", Box::new(helpers::toc::RenderToc {no_section_label: html_config.no_section_label}));
         handlebars.register_helper("previous", Box::new(helpers::navigation::previous));
         handlebars.register_helper("next", Box::new(helpers::navigation::next));
     }
 
     /// Copy across any additional CSS and JavaScript files which the book
     /// has been configured to use.
-    fn copy_additional_css_and_js(
-        &self,
-        html: &HtmlConfig,
-        root: &Path,
-        destination: &Path,
-    ) -> Result<()> {
+    fn copy_additional_css_and_js(&self, html: &HtmlConfig, root: &Path, destination: &Path) -> Result<()> {
         let custom_files = html.additional_css.iter().chain(html.additional_js.iter());
 
         debug!("Copying additional CSS and JS");
@@ -252,25 +257,6 @@ impl HtmlHandlebars {
     }
 }
 
-// TODO(mattico): Remove some time after the 0.1.8 release
-fn maybe_wrong_theme_dir(dir: &Path) -> Result<bool> {
-    fn entry_is_maybe_book_file(entry: fs::DirEntry) -> Result<bool> {
-        Ok(entry.file_type()?.is_file()
-            && entry.path().extension().map_or(false, |ext| ext == "md"))
-    }
-
-    if dir.is_dir() {
-        for entry in fs::read_dir(dir)? {
-            if entry_is_maybe_book_file(entry?).unwrap_or(false) {
-                return Ok(false);
-            }
-        }
-        Ok(true)
-    } else {
-        Ok(false)
-    }
-}
-
 impl Renderer for HtmlHandlebars {
     fn name(&self) -> &str {
         "html"
@@ -287,19 +273,9 @@ impl Renderer for HtmlHandlebars {
 
         let theme_dir = match html_config.theme {
             Some(ref theme) => theme.to_path_buf(),
-            None => ctx.root.join("theme"),
+            None => src_dir.join("theme"),
         };
 
-        if html_config.theme.is_none()
-            && maybe_wrong_theme_dir(&src_dir.join("theme")).unwrap_or(false)
-        {
-            warn!(
-                "Previous versions of mdBook erroneously accepted `./src/theme` as an automatic \
-                 theme directory"
-            );
-            warn!("Please move your theme files to `./theme` for them to continue being used");
-        }
-
         let theme = theme::Theme::new(theme_dir);
 
         debug!("Register the index handlebars template");
@@ -328,7 +304,9 @@ impl Renderer for HtmlHandlebars {
                 is_index: is_index,
                 html_config: html_config.clone(),
             };
-            self.render_item(item, ctx, &mut print_content)?;
+            self.render_item(item,
+                             ctx,
+                             &mut print_content)?;
             is_index = false;
         }
 
@@ -342,9 +320,11 @@ impl Renderer for HtmlHandlebars {
         debug!("Render template");
         let rendered = handlebars.render("index", &data)?;
 
-        let rendered = self.post_process(rendered, &html_config.playpen);
+        let rendered = self.post_process(rendered,
+                                         "print.html",
+                                         &html_config.playpen);
 
-        utils::fs::write_file(&destination, "print.html", rendered.as_bytes())?;
+        utils::fs::write_file(&destination, "print.html", &rendered.into_bytes())?;
         debug!("Creating print.html ✓");
 
         debug!("Copy static files");
@@ -355,12 +335,7 @@ impl Renderer for HtmlHandlebars {
 
         // Render search index
         #[cfg(feature = "search")]
-        {
-            let search = html_config.search.unwrap_or_default();
-            if search.enable {
-                super::search::create_files(&search, &destination, &book)?;
-            }
-        }
+        super::search::create_files(&html_config.search.unwrap_or_default(), &destination, &book)?;
 
         // Copy all remaining files
         utils::fs::copy_files_except_ext(&src_dir, &destination, true, &["md"])?;
@@ -369,25 +344,14 @@ impl Renderer for HtmlHandlebars {
     }
 }
 
-fn make_data(
-    root: &Path,
-    book: &Book,
-    config: &Config,
-    html_config: &HtmlConfig,
-) -> Result<serde_json::Map<String, serde_json::Value>> {
+fn make_data(root: &Path, book: &Book, config: &Config, html_config: &HtmlConfig) -> Result<serde_json::Map<String, serde_json::Value>> {
     trace!("make_data");
     let html = config.html_config().unwrap_or_default();
 
     let mut data = serde_json::Map::new();
     data.insert("language".to_owned(), json!("en"));
-    data.insert(
-        "book_title".to_owned(),
-        json!(config.book.title.clone().unwrap_or_default()),
-    );
-    data.insert(
-        "description".to_owned(),
-        json!(config.book.description.clone().unwrap_or_default()),
-    );
+    data.insert("book_title".to_owned(), json!(config.book.title.clone().unwrap_or_default()));
+    data.insert("description".to_owned(), json!(config.book.description.clone().unwrap_or_default()));
     data.insert("favicon".to_owned(), json!("favicon.png"));
     if let Some(ref livereload) = html_config.livereload_url {
         data.insert("livereload".to_owned(), json!(livereload));
@@ -407,8 +371,13 @@ fn make_data(
         let mut css = Vec::new();
         for style in &html.additional_css {
             match style.strip_prefix(root) {
-                Ok(p) => css.push(p.to_str().expect("Could not convert to str")),
-                Err(_) => css.push(style.to_str().expect("Could not convert to str")),
+                Ok(p) => {
+                    css.push(p.to_str().expect("Could not convert to str"))
+                },
+                Err(_) => {
+                    css.push(style.to_str()
+                                  .expect("Could not convert to str"))
+                }
             }
         }
         data.insert("additional_css".to_owned(), json!(css));
@@ -420,13 +389,12 @@ fn make_data(
         for script in &html.additional_js {
             match script.strip_prefix(root) {
                 Ok(p) => js.push(p.to_str().expect("Could not convert to str")),
-                Err(_) => js.push(
-                    script
-                        .file_name()
-                        .expect("File has a file name")
-                        .to_str()
-                        .expect("Could not convert to str"),
-                ),
+                Err(_) => {
+                    js.push(script.file_name()
+                                  .expect("File has a file name")
+                                  .to_str()
+                                  .expect("Could not convert to str"))
+                }
             }
         }
         data.insert("additional_js".to_owned(), json!(js));
@@ -438,20 +406,16 @@ fn make_data(
 
     let search = html_config.search.clone();
     if cfg!(feature = "search") {
-        let search = search.unwrap_or_default();
-        data.insert("search_enabled".to_owned(), json!(search.enable));
-        data.insert(
-            "search_js".to_owned(),
-            json!(search.enable && search.copy_js),
-        );
+        data.insert("search_enabled".to_owned(), json!(true));
+        if search.unwrap_or_default().copy_js {
+            data.insert("search_js".to_owned(), json!(true));
+        }
     } else if search.is_some() {
         warn!("mdBook compiled without search support, ignoring `output.html.search` table");
-        warn!(
-            "please reinstall with `cargo install mdbook --force --features search`to use the \
-             search feature"
-        )
+        warn!("please reinstall with `cargo install mdbook --force --features search`\
+            to use the search feature")
     }
-
+    
     let mut chapters = vec![];
 
     for item in book.iter() {
@@ -486,28 +450,26 @@ fn make_data(
 
 /// Goes through the rendered HTML, making sure all header tags are wrapped in
 /// an anchor so people can link to sections directly.
-fn build_header_links(html: &str) -> String {
+fn build_header_links(html: &str, filepath: &str) -> String {
     let regex = Regex::new(r"<h(\d)>(.*?)</h\d>").unwrap();
     let mut id_counter = HashMap::new();
 
-    regex
-        .replace_all(html, |caps: &Captures| {
-            let level = caps[1]
-                .parse()
-                .expect("Regex should ensure we only ever get numbers here");
+    regex.replace_all(html, |caps: &Captures| {
+        let level = caps[1].parse()
+                           .expect("Regex should ensure we only ever get numbers here");
 
-            wrap_header_with_link(level, &caps[2], &mut id_counter)
-        })
-        .into_owned()
+        wrap_header_with_link(level, &caps[2], &mut id_counter, filepath)
+    })
+         .into_owned()
 }
 
 /// Wraps a single header tag with a link, making sure each tag gets its own
 /// unique ID by appending an auto-incremented number (if necessary).
-fn wrap_header_with_link(
-    level: usize,
-    content: &str,
-    id_counter: &mut HashMap<String, usize>,
-) -> String {
+fn wrap_header_with_link(level: usize,
+                         content: &str,
+                         id_counter: &mut HashMap<String, usize>,
+                         filepath: &str)
+                         -> String {
     let raw_id = utils::id_from_content(content);
 
     let id_count = id_counter.entry(raw_id.clone()).or_insert(0);
@@ -520,13 +482,34 @@ fn wrap_header_with_link(
     *id_count += 1;
 
     format!(
-        r##"<a class="header" href="#{id}" id="{id}"><h{level}>{text}</h{level}></a>"##,
+        r##"<a class="header" href="{filepath}#{id}" id="{id}"><h{level}>{text}</h{level}></a>"##,
         level = level,
         id = id,
-        text = content
+        text = content,
+        filepath = filepath
     )
 }
 
+// anchors to the same page (href="#anchor") do not work because of
+// <base href="../"> pointing to the root folder. This function *fixes*
+// that in a very inelegant way
+fn fix_anchor_links(html: &str, filepath: &str) -> String {
+    let regex = Regex::new(r##"<a([^>]+)href="#([^"]+)"([^>]*)>"##).unwrap();
+    regex.replace_all(html, |caps: &Captures| {
+        let before = &caps[1];
+        let anchor = &caps[2];
+        let after = &caps[3];
+
+        format!("<a{before}href=\"{filepath}#{anchor}\"{after}>",
+                before = before,
+                filepath = filepath,
+                anchor = anchor,
+                after = after)
+    })
+         .into_owned()
+}
+
+
 // The rust book uses annotations for rustdoc to test code snippets,
 // like the following:
 // ```rust,should_panic
@@ -537,57 +520,51 @@ fn wrap_header_with_link(
 // This function replaces all commas by spaces in the code block classes
 fn fix_code_blocks(html: &str) -> String {
     let regex = Regex::new(r##"<code([^>]+)class="([^"]+)"([^>]*)>"##).unwrap();
-    regex
-        .replace_all(html, |caps: &Captures| {
-            let before = &caps[1];
-            let classes = &caps[2].replace(",", " ");
-            let after = &caps[3];
+    regex.replace_all(html, |caps: &Captures| {
+        let before = &caps[1];
+        let classes = &caps[2].replace(",", " ");
+        let after = &caps[3];
 
-            format!(
-                r#"<code{before}class="{classes}"{after}>"#,
+        format!(r#"<code{before}class="{classes}"{after}>"#,
                 before = before,
                 classes = classes,
-                after = after
-            )
-        })
-        .into_owned()
+                after = after)
+    }).into_owned()
 }
 
 fn add_playpen_pre(html: &str, playpen_config: &Playpen) -> String {
     let regex = Regex::new(r##"((?s)<code[^>]?class="([^"]+)".*?>(.*?)</code>)"##).unwrap();
-    regex
-        .replace_all(html, |caps: &Captures| {
-            let text = &caps[1];
-            let classes = &caps[2];
-            let code = &caps[3];
+    regex.replace_all(html, |caps: &Captures| {
+        let text = &caps[1];
+        let classes = &caps[2];
+        let code = &caps[3];
 
-            if (classes.contains("language-rust")
-                && !classes.contains("ignore")
-                && !classes.contains("noplaypen"))
-                || classes.contains("mdbook-runnable")
+        if (classes.contains("language-rust") && !classes.contains("ignore")) ||
+            classes.contains("mdbook-runnable")
+        {
+            // wrap the contents in an external pre block
+            if playpen_config.editable && classes.contains("editable") ||
+                text.contains("fn main") || text.contains("quick_main!")
             {
-                // wrap the contents in an external pre block
-                if playpen_config.editable && classes.contains("editable")
-                    || text.contains("fn main")
-                    || text.contains("quick_main!")
-                {
-                    format!("<pre class=\"playpen\">{}</pre>", text)
-                } else {
-                    // we need to inject our own main
-                    let (attrs, code) = partition_source(code);
-
-                    format!(
-                        "<pre class=\"playpen\"><code class=\"{}\">\n# \
-                         #![allow(unused_variables)]\n{}#fn main() {{\n{}#}}</code></pre>",
-                        classes, attrs, code
-                    )
-                }
+                format!("<pre class=\"playpen\">{}</pre>", text)
             } else {
-                // not language-rust, so no-op
-                text.to_owned()
+                // we need to inject our own main
+                let (attrs, code) = partition_source(code);
+
+                format!("<pre class=\"playpen\"><code class=\"{}\">\n# \
+                         #![allow(unused_variables)]\n\
+                         {}#fn main() {{\n\
+                         {}\
+                         #}}</code></pre>",
+                        classes,
+                        attrs,
+                        code)
             }
-        })
-        .into_owned()
+        } else {
+            // not language-rust, so no-op
+            text.to_owned()
+        }
+    }).into_owned()
 }
 
 fn partition_source(s: &str) -> (String, String) {
@@ -628,32 +605,37 @@ mod tests {
         let inputs = vec![
             (
                 "blah blah <h1>Foo</h1>",
-                r##"blah blah <a class="header" href="#foo" id="foo"><h1>Foo</h1></a>"##,
+                r##"blah blah <a class="header" href="./some_chapter/some_section.html#foo" id="foo"><h1>Foo</h1></a>"##,
             ),
             (
                 "<h1>Foo</h1>",
-                r##"<a class="header" href="#foo" id="foo"><h1>Foo</h1></a>"##,
+                r##"<a class="header" href="./some_chapter/some_section.html#foo" id="foo"><h1>Foo</h1></a>"##,
             ),
             (
                 "<h3>Foo^bar</h3>",
-                r##"<a class="header" href="#foobar" id="foobar"><h3>Foo^bar</h3></a>"##,
+                r##"<a class="header" href="./some_chapter/some_section.html#foobar" id="foobar"><h3>Foo^bar</h3></a>"##,
             ),
             (
                 "<h4></h4>",
-                r##"<a class="header" href="#" id=""><h4></h4></a>"##,
+                r##"<a class="header" href="./some_chapter/some_section.html#" id=""><h4></h4></a>"##,
             ),
             (
                 "<h4><em>Hï</em></h4>",
-                r##"<a class="header" href="#hï" id="hï"><h4><em>Hï</em></h4></a>"##,
+                r##"<a class="header" href="./some_chapter/some_section.html#hï" id="hï"><h4><em>Hï</em></h4></a>"##,
             ),
             (
                 "<h1>Foo</h1><h3>Foo</h3>",
-                r##"<a class="header" href="#foo" id="foo"><h1>Foo</h1></a><a class="header" href="#foo-1" id="foo-1"><h3>Foo</h3></a>"##,
+                r##"<a class="header" href="./some_chapter/some_section.html#foo" id="foo"><h1>Foo</h1></a><a class="header" href="./some_chapter/some_section.html#foo-1" id="foo-1"><h3>Foo</h3></a>"##,
             ),
         ];
 
         for (src, should_be) in inputs {
-            let got = build_header_links(&src);
+            let filepath = "./some_chapter/some_section.html";
+            let got = build_header_links(&src, filepath);
+            assert_eq!(got, should_be);
+
+            // This is redundant for most cases
+            let got = fix_anchor_links(&got, filepath);
             assert_eq!(got, should_be);
         }
     }

src/renderer/html_handlebars/helpers/mod.rs

@@ -1,2 +1,2 @@
-pub mod navigation;
 pub mod toc;
+pub mod navigation;

src/renderer/html_handlebars/helpers/navigation.rs

@@ -1,10 +1,8 @@
-use std::collections::BTreeMap;
 use std::path::Path;
+use std::collections::BTreeMap;
 
-use handlebars::{Context, Handlebars, Helper, RenderContext, RenderError, Renderable};
 use serde_json;
-
-use utils;
+use handlebars::{Context, Handlebars, Helper, RenderContext, RenderError, Renderable};
 
 type StringMap = BTreeMap<String, String>;
 
@@ -89,15 +87,6 @@ fn render(
     trace!("Creating BTreeMap to inject in context");
 
     let mut context = BTreeMap::new();
-    let base_path = rc.evaluate_absolute("path", false)?
-        .as_str()
-        .ok_or_else(|| RenderError::new("Type error for `path`, string expected"))?
-        .replace("\"", "");
-
-    context.insert(
-        "path_to_root".to_owned(),
-        json!(utils::fs::path_to_root(&base_path)),
-    );
 
     chapter
         .get("name")

src/renderer/html_handlebars/helpers/toc.rs

@@ -1,11 +1,9 @@
-use std::collections::BTreeMap;
 use std::path::Path;
+use std::collections::BTreeMap;
 
-use utils;
-
+use serde_json;
 use handlebars::{Handlebars, Helper, HelperDef, RenderContext, RenderError};
 use pulldown_cmark::{html, Event, Parser, Tag};
-use serde_json;
 
 // Handlebars helper to construct TOC
 #[derive(Clone, Copy)]
@@ -79,8 +77,6 @@ impl HelperDef for RenderToc {
                         .replace("\\", "/");
 
                     // Add link
-                    rc.writer
-                        .write_all(&utils::fs::path_to_root(&current).as_bytes())?;
                     rc.writer.write_all(tmp.as_bytes())?;
                     rc.writer.write_all(b"\"")?;
 

src/renderer/html_handlebars/search.rs

@@ -5,38 +5,29 @@ use std::borrow::Cow;
 use std::collections::{HashMap, HashSet};
 use std::path::Path;
 
-use self::elasticlunr::Index;
 use pulldown_cmark::*;
 use serde_json;
+use self::elasticlunr::Index;
 
 use book::{Book, BookItem};
 use config::Search;
 use errors::*;
-use theme::searcher;
 use utils;
+use theme::searcher;
 
 /// Creates all files required for search.
 pub fn create_files(search_config: &Search, destination: &Path, book: &Book) -> Result<()> {
     let mut index = Index::new(&["title", "body", "breadcrumbs"]);
-    let mut doc_urls = Vec::with_capacity(book.sections.len());
 
     for item in book.iter() {
-        render_item(&mut index, &search_config, &mut doc_urls, item)?;
+        render_item(&mut index, &search_config, item)?;
     }
 
-    let index = write_to_json(index, &search_config, doc_urls)?;
+    let index = write_to_js(index, &search_config)?;
     debug!("Writing search index ✓");
-    if index.len() > 10_000_000 {
-        warn!("searchindex.json is very large ({} bytes)", index.len());
-    }
 
     if search_config.copy_js {
-        utils::fs::write_file(destination, "searchindex.json", index.as_bytes())?;
-        utils::fs::write_file(
-            destination,
-            "searchindex.js",
-            format!("window.search = {};", index).as_bytes(),
-        )?;
+        utils::fs::write_file(destination, "searchindex.js", index.as_bytes())?;
         utils::fs::write_file(destination, "searcher.js", searcher::JS)?;
         utils::fs::write_file(destination, "mark.min.js", searcher::MARK_JS)?;
         utils::fs::write_file(destination, "elasticlunr.min.js", searcher::ELASTICLUNR_JS)?;
@@ -47,22 +38,18 @@ pub fn create_files(search_config: &Search, destination: &Path, book: &Book) ->
 }
 
 /// Uses the given arguments to construct a search document, then inserts it to the given index.
-fn add_doc(
+fn add_doc<'a>(
     index: &mut Index,
-    doc_urls: &mut Vec<String>,
-    anchor_base: &str,
+    anchor_base: &'a str,
     section_id: &Option<String>,
     items: &[&str],
 ) {
-    let url = if let &Some(ref id) = section_id {
-        Cow::Owned(format!("{}#{}", anchor_base, id))
+    let doc_ref: Cow<'a, str> = if let &Some(ref id) = section_id {
+        format!("{}#{}", anchor_base, id).into()
     } else {
-        Cow::Borrowed(anchor_base)
+        anchor_base.into()
     };
-    let url = utils::collapse_whitespace(url.trim());
-    let doc_ref = doc_urls.len().to_string();
-    doc_urls.push(url.into());
-
+    let doc_ref = utils::collapse_whitespace(doc_ref.trim());
     let items = items.iter().map(|&x| utils::collapse_whitespace(x.trim()));
     index.add_doc(&doc_ref, items);
 }
@@ -71,7 +58,6 @@ fn add_doc(
 fn render_item(
     index: &mut Index,
     search_config: &Search,
-    doc_urls: &mut Vec<String>,
     item: &BookItem,
 ) -> Result<()> {
     let chapter = match item {
@@ -106,7 +92,6 @@ fn render_item(
                     // Write the data to the index, and clear it for the next section
                     add_doc(
                         index,
-                        doc_urls,
                         &anchor_base,
                         &section_id,
                         &[&heading, &body, &breadcrumbs.join(" » ")],
@@ -159,7 +144,6 @@ fn render_item(
         // Make sure the last section is added to the index
         add_doc(
             index,
-            doc_urls,
             &anchor_base,
             &section_id,
             &[&heading, &body, &breadcrumbs.join(" » ")],
@@ -169,9 +153,12 @@ fn render_item(
     Ok(())
 }
 
-fn write_to_json(index: Index, search_config: &Search, doc_urls: Vec<String>) -> Result<String> {
-    use self::elasticlunr::config::{SearchBool, SearchOptions, SearchOptionsField};
+/// Exports the index and search options to a JS script which stores the index in `window.search`.
+/// Using a JS script is a workaround for CORS in `file://` URIs. It also removes the need for
+/// downloading/parsing JSON in JS.
+fn write_to_js(index: Index, search_config: &Search) -> Result<String> {
     use std::collections::BTreeMap;
+    use self::elasticlunr::config::{SearchBool, SearchOptions, SearchOptionsField};
 
     #[derive(Serialize)]
     struct ResultsOptions {
@@ -182,11 +169,9 @@ fn write_to_json(index: Index, search_config: &Search, doc_urls: Vec<String>) ->
     #[derive(Serialize)]
     struct SearchindexJson {
         /// The options used for displaying search results
-        results_options: ResultsOptions,
+        resultsoptions: ResultsOptions,
         /// The searchoptions for elasticlunr.js
-        search_options: SearchOptions,
-        /// Used to lookup a document's URL from an integer document ref.
-        doc_urls: Vec<String>,
+        searchoptions: SearchOptions,
         /// The index for elasticlunr.js
         index: elasticlunr::Index,
     }
@@ -200,7 +185,7 @@ fn write_to_json(index: Index, search_config: &Search, doc_urls: Vec<String>) ->
     opt.boost = Some(search_config.boost_hierarchy);
     fields.insert("breadcrumbs".into(), opt);
 
-    let search_options = SearchOptions {
+    let searchoptions = SearchOptions {
         bool: if search_config.use_boolean_and {
             SearchBool::And
         } else {
@@ -210,24 +195,19 @@ fn write_to_json(index: Index, search_config: &Search, doc_urls: Vec<String>) ->
         fields,
     };
 
-    let results_options = ResultsOptions {
+    let resultsoptions = ResultsOptions {
         limit_results: search_config.limit_results,
         teaser_word_count: search_config.teaser_word_count,
     };
 
     let json_contents = SearchindexJson {
-        results_options,
-        search_options,
-        doc_urls,
+        resultsoptions,
+        searchoptions,
         index,
     };
-
-    // By converting to serde_json::Value as an intermediary, we use a
-    // BTreeMap internally and can force a stable ordering of map keys.
-    let json_contents = serde_json::to_value(&json_contents)?;
     let json_contents = serde_json::to_string(&json_contents)?;
 
-    Ok(json_contents)
+    Ok(format!("window.search = {};", json_contents))
 }
 
 fn clean_html(html: &str) -> String {

src/renderer/mod.rs

@@ -15,16 +15,16 @@ pub use self::html_handlebars::HtmlHandlebars;
 
 mod html_handlebars;
 
-use serde_json;
-use shlex::Shlex;
 use std::fs;
 use std::io::{self, Read};
 use std::path::PathBuf;
 use std::process::{Command, Stdio};
+use serde_json;
+use shlex::Shlex;
 
-use book::Book;
-use config::Config;
 use errors::*;
+use config::Config;
+use book::Book;
 
 const MDBOOK_VERSION: &str = env!("CARGO_PKG_VERSION");
 
@@ -162,21 +162,17 @@ impl Renderer for CmdRenderer {
             .stdout(Stdio::inherit())
             .stderr(Stdio::inherit())
             .current_dir(&ctx.destination)
-            .spawn()
-        {
-            Ok(c) => c,
-            Err(ref e) if e.kind() == io::ErrorKind::NotFound => {
-                warn!(
-                    "The command wasn't found, is the \"{}\" backend installed?",
-                    self.name
-                );
-                warn!("\tCommand: {}", self.cmd);
-                return Ok(());
-            }
-            Err(e) => {
-                return Err(e).chain_err(|| "Unable to start the backend")?;
-            }
-        };
+            .spawn() {
+                Ok(c) => c,
+                Err(ref e) if e.kind() == io::ErrorKind::NotFound => {
+                    warn!("The command wasn't found, is the \"{}\" backend installed?", self.name);
+                    warn!("\tCommand: {}", self.cmd);
+                    return Ok(());
+                }
+                Err(e) => {
+                    return Err(e).chain_err(|| "Unable to start the backend")?;
+                }
+            };
 
         {
             let mut stdin = child.stdin.take().expect("Child has stdin");

src/theme/book.js

@@ -1,5 +1,3 @@
-"use strict";
-
 // Fix back button cache problem
 window.onunload = function () { };
 
@@ -18,30 +16,13 @@ function playpen_text(playpen) {
 (function codeSnippets() {
     // Hide Rust code lines prepended with a specific character
     var hiding_character = "#";
-
-    function fetch_with_timeout(url, options, timeout = 6000) {
-        return Promise.race([
-            fetch(url, options),
-            new Promise((_, reject) => setTimeout(() => reject(new Error('timeout')), timeout))
-        ]);
-    }
-
-    var playpens = Array.from(document.querySelectorAll(".playpen"));
-    if (playpens.length > 0) {
-        fetch_with_timeout("https://play.rust-lang.org/meta/crates", {
-            headers: {
-                'Content-Type': "application/json",
-            },
-            method: 'POST',
-            mode: 'cors',
-        })
-        .then(response => response.json())
-        .then(response => {
-            // get list of crates available in the rust playground
-            let playground_crates = response.crates.map(item => item["id"]);
-            playpens.forEach(block => handle_crate_list_update(block, playground_crates));
-        });
-    }
+    var request = fetch("https://play.rust-lang.org/meta/crates", {
+        headers: {
+            'Content-Type': "application/json",
+        },
+        method: 'POST',
+        mode: 'cors',
+    });
 
     function handle_crate_list_update(playpen_block, playground_crates) {
         // update the play buttons after receiving the response
@@ -74,7 +55,6 @@ function playpen_text(playpen) {
         var txt = playpen_text(pre_block);
         var re = /extern\s+crate\s+([a-zA-Z_0-9]+)\s*;/g;
         var snippet_crates = [];
-        var item;
         while (item = re.exec(txt)) {
             snippet_crates.push(item[1]);
         }
@@ -103,28 +83,32 @@ function playpen_text(playpen) {
         let text = playpen_text(code_block);
 
         var params = {
-            version: "stable",
-            optimize: "0",
-            code: text
-        };
+            channel: "stable",
+            mode: "debug",
+            crateType: "bin",
+            tests: false,
+            code: text,
+        }
 
         if (text.indexOf("#![feature") !== -1) {
-            params.version = "nightly";
+            params.channel = "nightly";
         }
 
         result_block.innerText = "Running...";
 
-        fetch_with_timeout("https://play.rust-lang.org/evaluate.json", {
+        var request = fetch("https://play.rust-lang.org/execute", {
             headers: {
                 'Content-Type': "application/json",
             },
             method: 'POST',
             mode: 'cors',
             body: JSON.stringify(params)
-        })
-        .then(response => response.json())
-        .then(response => result_block.innerText = response.result)
-        .catch(error => result_block.innerText = "Playground Communication: " + error.message);
+        });
+
+        request
+            .then(function (response) { return response.json(); })
+            .then(function (response) { result_block.innerText = response.success ? response.stdout : response.stderr; })
+            .catch(function (error) { result_block.innerText = "Playground communication" + error.message; });
     }
 
     // Syntax highlighting Configuration
@@ -163,11 +147,9 @@ function playpen_text(playpen) {
         var lines = code_block.innerHTML.split("\n");
         var first_non_hidden_line = false;
         var lines_hidden = false;
-        var trimmed_line = "";
 
         for (var n = 0; n < lines.length; n++) {
-            trimmed_line = lines[n].trim();
-            if (trimmed_line[0] == hiding_character && trimmed_line[1] != hiding_character) {
+            if (lines[n].trim()[0] == hiding_character) {
                 if (first_non_hidden_line) {
                     lines[n] = "<span class=\"hidden\">" + "\n" + lines[n].replace(/(\s*)# ?/, "$1") + "</span>";
                 }
@@ -182,9 +164,6 @@ function playpen_text(playpen) {
             else {
                 first_non_hidden_line = true;
             }
-            if (trimmed_line[0] == hiding_character && trimmed_line[1] == hiding_character) {
-                lines[n] = lines[n].replace("##", "#")
-            }
         }
         code_block.innerHTML = lines.join("");
 
@@ -196,7 +175,7 @@ function playpen_text(playpen) {
         buttons.innerHTML = "<button class=\"fa fa-expand\" title=\"Show hidden lines\" aria-label=\"Show hidden lines\"></button>";
 
         // add expand button
-        pre_block.insertBefore(buttons, pre_block.firstChild);
+        pre_block.prepend(buttons);
 
         pre_block.querySelector('.buttons').addEventListener('click', function (e) {
             if (e.target.classList.contains('fa-expand')) {
@@ -234,7 +213,7 @@ function playpen_text(playpen) {
             if (!buttons) {
                 buttons = document.createElement('div');
                 buttons.className = 'buttons';
-                pre_block.insertBefore(buttons, pre_block.firstChild);
+                pre_block.prepend(buttons);
             }
 
             var clipButton = document.createElement('button');
@@ -243,7 +222,7 @@ function playpen_text(playpen) {
             clipButton.setAttribute('aria-label', clipButton.title);
             clipButton.innerHTML = '<i class=\"tooltiptext\"></i>';
 
-            buttons.insertBefore(clipButton, buttons.firstChild);
+            buttons.prepend(clipButton);
         }
     });
 
@@ -254,7 +233,7 @@ function playpen_text(playpen) {
         if (!buttons) {
             buttons = document.createElement('div');
             buttons.className = 'buttons';
-            pre_block.insertBefore(buttons, pre_block.firstChild);
+            pre_block.prepend(buttons);
         }
 
         var runCodeButton = document.createElement('button');
@@ -269,8 +248,8 @@ function playpen_text(playpen) {
         copyCodeClipboardButton.title = 'Copy to clipboard';
         copyCodeClipboardButton.setAttribute('aria-label', copyCodeClipboardButton.title);
 
-        buttons.insertBefore(runCodeButton, buttons.firstChild);
-        buttons.insertBefore(copyCodeClipboardButton, buttons.firstChild);
+        buttons.prepend(runCodeButton);
+        buttons.prepend(copyCodeClipboardButton);
 
         runCodeButton.addEventListener('click', function (e) {
             run_rust_code(pre_block);
@@ -283,7 +262,7 @@ function playpen_text(playpen) {
             undoChangesButton.title = 'Undo changes';
             undoChangesButton.setAttribute('aria-label', undoChangesButton.title);
 
-            buttons.insertBefore(undoChangesButton, buttons.firstChild);
+            buttons.prepend(undoChangesButton);
 
             undoChangesButton.addEventListener('click', function () {
                 let editor = window.ace.edit(code_block);
@@ -292,6 +271,17 @@ function playpen_text(playpen) {
             });
         }
     });
+
+    request
+        .then(function (response) { return response.json(); })
+        .then(function (response) {
+            // get list of crates available in the rust playground
+            let playground_crates = response.crates.map(function (item) { return item["id"]; });
+            Array.from(document.querySelectorAll(".playpen")).forEach(function (block) {
+                handle_crate_list_update(block, playground_crates);
+            });
+        });
+
 })();
 
 (function themes() {
@@ -300,9 +290,9 @@ function playpen_text(playpen) {
     var themePopup = document.getElementById('theme-list');
     var themeColorMetaTag = document.querySelector('meta[name="theme-color"]');
     var stylesheets = {
-        ayuHighlight: document.querySelector("[href$='ayu-highlight.css']"),
-        tomorrowNight: document.querySelector("[href$='tomorrow-night.css']"),
-        highlight: document.querySelector("[href$='highlight.css']"),
+        ayuHighlight: document.querySelector("[href='ayu-highlight.css']"),
+        tomorrowNight: document.querySelector("[href='tomorrow-night.css']"),
+        highlight: document.querySelector("[href='highlight.css']"),
     };
 
     function showThemes() {
@@ -383,7 +373,7 @@ function playpen_text(playpen) {
 
     themePopup.addEventListener('focusout', function(e) {
         // e.relatedTarget is null in Safari and Firefox on macOS (see workaround below)
-        if (!!e.relatedTarget && !themeToggleButton.contains(e.relatedTarget) && !themePopup.contains(e.relatedTarget)) {
+        if (!!e.relatedTarget && !themePopup.contains(e.relatedTarget)) {
             hideThemes();
         }
     });

src/theme/css/chrome.css

@@ -1,417 +0,0 @@
-/* CSS for UI elements (a.k.a. chrome) */
-
-@import 'variables.css';
-
-::-webkit-scrollbar {
-    background: var(--bg);
-}
-::-webkit-scrollbar-thumb {
-    background: var(--scrollbar);
-}
-
-#searchresults a,
-.content a:link,
-a:visited,
-a > .hljs {
-    color: var(--links);
-}
-
-/* Menu Bar */
-
-#menu-bar {
-    position: -webkit-sticky;
-    position: sticky;
-    top: 0;
-    z-index: 101;
-    margin: auto calc(0px - var(--page-padding));
-}
-#menu-bar > #menu-bar-sticky-container {
-    display: flex;
-    flex-wrap: wrap;
-    background-color: var(--bg);
-    border-bottom-color: var(--bg);
-    border-bottom-width: 1px;
-    border-bottom-style: solid;
-}
-.js #menu-bar > #menu-bar-sticky-container {
-    transition: transform 0.3s;
-}
-#menu-bar.bordered > #menu-bar-sticky-container  {
-    border-bottom-color: var(--table-border-color);
-}
-#menu-bar i, #menu-bar .icon-button {
-    position: relative;
-    padding: 0 8px;
-    z-index: 10;
-    line-height: 50px;
-    cursor: pointer;
-    transition: color 0.5s;
-}
-@media only screen and (max-width: 420px) {
-    #menu-bar i, #menu-bar .icon-button {
-        padding: 0 5px;
-    }
-}
-
-.icon-button {
-    border: none;
-    background: none;
-    padding: 0;
-    color: inherit;
-}
-.icon-button i {
-    margin: 0;
-}
-
-#print-button {
-    margin: 0 15px;
-}
-
-html:not(.sidebar-visible) #menu-bar:not(:hover).folded > #menu-bar-sticky-container {
-    transform: translateY(-60px);
-}
-
-.left-buttons {
-    display: flex;
-    margin: 0 5px;
-}
-.no-js .left-buttons { 
-    display: none;
-}
-
-.menu-title {
-    display: inline-block;
-    font-weight: 200;
-    font-size: 20px;
-    line-height: 50px;
-    text-align: center;
-    margin: 0;
-    flex: 1;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-.js .menu-title {
-    cursor: pointer;
-}
-
-.menu-bar,
-.menu-bar:visited,
-.nav-chapters,
-.nav-chapters:visited,
-.mobile-nav-chapters,
-.mobile-nav-chapters:visited,
-.menu-bar .icon-button,
-.menu-bar a i {
-    color: var(--icons);
-}
-
-.menu-bar i:hover,
-.menu-bar .icon-button:hover,
-.nav-chapters:hover,
-.mobile-nav-chapters i:hover {
-    color: var(--icons-hover);
-}
-
-/* Nav Icons */
-
-.nav-chapters {
-    font-size: 2.5em;
-    text-align: center;
-    text-decoration: none;
-
-    position: fixed;
-    top: 50px; /* Height of menu-bar */
-    bottom: 0;
-    margin: 0;
-    max-width: 150px;
-    min-width: 90px;
-
-    display: flex;
-    justify-content: center;
-    align-content: center;
-    flex-direction: column;
-
-    transition: color 0.5s;
-}
-
-.nav-chapters:hover { text-decoration: none; }
-
-.nav-wrapper {
-    margin-top: 50px;
-    display: none;
-}
-
-.mobile-nav-chapters { 
-    font-size: 2.5em;
-    text-align: center;
-    text-decoration: none;
-    width: 90px;
-    border-radius: 5px;
-    background-color: var(--sidebar-bg);
-}
-
-.previous {
-    float: left;
-}
-
-.next {
-    float: right;
-    right: var(--page-padding);
-}
-
-@media only screen and (max-width: 1080px) {
-    .nav-wide-wrapper { display: none; }
-    .nav-wrapper { display: block; }
-}
-
-@media only screen and (max-width: 1380px) {
-    .sidebar-visible .nav-wide-wrapper { display: none; }
-    .sidebar-visible .nav-wrapper { display: block; }
-}
-
-/* Inline code */
-
-:not(pre) > .hljs {
-    display: inline-block;
-    vertical-align: middle;
-    padding: 0.1em 0.3em;
-    border-radius: 3px;
-    color: var(--inline-code-color);
-}
-
-a:hover > .hljs {
-    text-decoration: underline;
-}
-
-pre {
-    position: relative;
-}
-pre > .buttons {
-    position: absolute;
-    z-index: 100;
-    right: 5px;
-    top: 5px;
-
-    color: var(--sidebar-fg);
-    cursor: pointer;
-}
-pre > .buttons :hover {
-    color: var(--sidebar-active);
-}
-pre > .buttons i {
-    margin-left: 8px;
-}
-pre > .buttons button {
-    color: inherit;
-    background: transparent;
-    border: none;
-    cursor: inherit;
-}
-pre > .result {
-    margin-top: 10px;
-}
-
-/* Search */
-
-#searchresults a {
-    text-decoration: none;
-}
-
-mark {
-    border-radius: 2px;
-    padding: 0 3px 1px 3px;
-    margin: 0 -3px -1px -3px;
-    background-color: var(--search-mark-bg);
-    transition: background-color 300ms linear;
-    cursor: pointer;
-}
-
-mark.fade-out {
-    background-color: rgba(0,0,0,0) !important;
-    cursor: auto;
-}
-
-.searchbar-outer {
-    margin-left: auto;
-    margin-right: auto;
-    max-width: var(--content-max-width);
-}
-
-#searchbar {
-    width: 100%;
-    margin: 5px auto 0px auto;
-    padding: 10px 16px;
-    transition: box-shadow 300ms ease-in-out;
-    border: 1px solid var(--searchbar-border-color);
-    border-radius: 3px;
-    background-color: var(--searchbar-bg);
-    color: var(--searchbar-fg);
-}
-#searchbar:focus,
-#searchbar.active {
-    box-shadow: 0 0 3px var(--searchbar-shadow-color);
-}
-
-.searchresults-header {
-    font-weight: bold;
-    font-size: 1em;
-    padding: 18px 0 0 5px;
-    color: var(--searchresults-header-fg);
-}
-
-.searchresults-outer {
-    margin-left: auto;
-    margin-right: auto;
-    max-width: var(--content-max-width);
-    border-bottom: 1px dashed var(--searchresults-border-color);
-}
-
-ul#searchresults {
-    list-style: none;
-    padding-left: 20px;
-}
-ul#searchresults li {
-    margin: 10px 0px;
-    padding: 2px;
-    border-radius: 2px;
-}
-ul#searchresults li.focus {
-    background-color: var(--searchresults-li-bg);
-}
-ul#searchresults span.teaser {
-    display: block;
-    clear: both;
-    margin: 5px 0 0 20px;
-    font-size: 0.8em;
-}
-ul#searchresults span.teaser em {
-    font-weight: bold;
-    font-style: normal;
-}
-
-/* Sidebar */
-
-.sidebar {
-    position: fixed;
-    left: 0;
-    top: 0;
-    bottom: 0;
-    width: var(--sidebar-width);
-    overflow-y: auto;
-    padding: 10px 10px;
-    font-size: 0.875em;
-    box-sizing: border-box;
-    -webkit-overflow-scrolling: touch;
-    overscroll-behavior-y: contain;
-    background-color: var(--sidebar-bg);
-    color: var(--sidebar-fg);
-}
-.js .sidebar {
-    transition: transform 0.3s; /* Animation: slide away */
-}
-.sidebar code {
-    line-height: 2em;
-}
-.sidebar-hidden .sidebar {
-    transform: translateX(calc(0px - var(--sidebar-width)));
-}
-.sidebar::-webkit-scrollbar {
-    background: var(--sidebar-bg);
-}
-.sidebar::-webkit-scrollbar-thumb {
-    background: var(--scrollbar);
-}
-
-.sidebar-visible .page-wrapper {
-    transform: translateX(var(--sidebar-width));
-}
-@media only screen and (min-width: 620px) {
-    .sidebar-visible .page-wrapper {
-        transform: none;
-        margin-left: var(--sidebar-width);
-    }
-}
-
-.chapter {
-    list-style: none outside none;
-    padding-left: 0;
-    line-height: 2.2em;
-}
-.chapter li {
-    color: var(--sidebar-non-existant);
-}
-.chapter li a {
-    color: var(--sidebar-fg);
-    display: block;
-    padding: 0;
-    text-decoration: none;
-}
-.chapter li a:hover { text-decoration: none }
-.chapter li .active,
-a:hover {
-    /* Animate color change */
-    color: var(--sidebar-active);
-}
-
-.spacer {
-    width: 100%;
-    height: 3px;
-    margin: 5px 0px;
-}
-.chapter .spacer {
-    background-color: var(--sidebar-spacer);
-}
-
-@media (-moz-touch-enabled: 1), (pointer: coarse) { 
-    .chapter li a { padding: 5px 0; }
-    .spacer { margin: 10px 0; }
-}
-
-.section {
-    list-style: none outside none;
-    padding-left: 20px;
-    line-height: 1.9em;
-}
-
-/* Theme Menu Popup */
-
-.theme-popup {
-    position: absolute;
-    left: 10px;
-    top: 50px;
-    z-index: 1000;
-    border-radius: 4px;
-    font-size: 0.7em;
-    color: var(--fg);
-    background: var(--theme-popup-bg);
-    border: 1px solid var(--theme-popup-border);
-    margin: 0;
-    padding: 0;
-    list-style: none;
-    display: none;
-}
-.theme-popup .default {
-    color: var(--icons);
-}
-.theme-popup .theme {
-    width: 100%;
-    border: 0;
-    margin: 0;
-    padding: 2px 10px;
-    line-height: 25px;
-    white-space: nowrap;
-    text-align: left;
-    cursor: pointer;
-    color: inherit;
-    background: inherit;
-    font-size: inherit;
-}
-.theme-popup .theme:hover {
-    background-color: var(--theme-hover);
-}
-.theme-popup .theme:hover:first-child,
-.theme-popup .theme:hover:last-child {
-    border-top-left-radius: inherit;
-    border-top-right-radius: inherit;
-}

src/theme/css/general.css

@@ -1,144 +0,0 @@
-/* Base styles and content styles */
-
-@import 'variables.css';
-
-html {
-    font-family: "Open Sans", sans-serif;
-    color: var(--fg);
-    background-color: var(--bg);
-    text-size-adjust: none;
-}
-
-body {
-    margin: 0;
-    font-size: 1rem;
-    overflow-x: hidden;
-}
-
-code {
-    font-family: "Source Code Pro", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace;
-    font-size: 0.875em; /* please adjust the ace font size accordingly in editor.js */
-}
-
-.left { float: left; }
-.right { float: right; }
-.hidden { display: none; }
-.play-button.hidden { display: none; }
-
-h2, h3 { margin-top: 2.5em; }
-h4, h5 { margin-top: 2em; }
-
-.header + .header h3,
-.header + .header h4,
-.header + .header h5 { 
-    margin-top: 1em;
-}
-
-a.header:target h1:before,
-a.header:target h2:before,
-a.header:target h3:before,
-a.header:target h4:before {
-    display: inline-block;
-    content: "»";
-    margin-left: -30px;
-    width: 30px;
-}
-
-.page {
-    outline: 0;
-    padding: 0 var(--page-padding);
-}
-.page-wrapper {
-    box-sizing: border-box;
-}
-.js .page-wrapper {
-    transition: margin-left 0.3s ease, transform 0.3s ease; /* Animation: slide away */
-}
-
-.content {
-    overflow-y: auto;
-    padding: 0 15px;
-    padding-bottom: 50px;
-}
-.content main {
-    margin-left: auto;
-    margin-right: auto;
-    max-width: var(--content-max-width);
-}
-.content a { text-decoration: none; }
-.content a:hover { text-decoration: underline; }
-.content img { max-width: 100%; }
-.content .header:link,
-.content .header:visited {
-    color: var(--fg);
-}
-.content .header:link,
-.content .header:visited:hover {
-    text-decoration: none;
-}
-
-table {
-    margin: 0 auto;
-    border-collapse: collapse;
-}
-table td {
-    padding: 3px 20px;
-    border: 1px var(--table-border-color) solid;
-}
-table thead {
-    background: var(--table-header-bg);
-}
-table thead td {
-    font-weight: 700;
-    border: none;
-}
-table thead tr {
-    border: 1px var(--table-header-bg) solid;
-}
-/* Alternate background colors for rows */
-table tbody tr:nth-child(2n) {
-    background: var(--table-alternate-bg);
-}
-
-
-blockquote {
-    margin: 20px 0;
-    padding: 0 20px;
-    color: var(--fg);
-    background-color: var(--quote-bg);
-    border-top: .1em solid var(--quote-border);
-    border-bottom: .1em solid var(--quote-border);
-}
-
-
-:not(.footnote-definition) + .footnote-definition,
-.footnote-definition + :not(.footnote-definition) {
-    margin-top: 2em;
-}
-.footnote-definition {
-    font-size: 0.9em;
-    margin: 0.5em 0;
-}
-.footnote-definition p {
-    display: inline;
-}
-
-.tooltiptext {
-    position: absolute;
-    visibility: hidden;
-    color: #fff;
-    background-color: #333;
-    transform: translateX(-50%); /* Center by moving tooltip 50% of its width left */
-    left: -8px; /* Half of the width of the icon */
-    top: -35px;
-    font-size: 0.8em;
-    text-align: center;
-    border-radius: 6px;
-    padding: 5px 8px;
-    margin: 5px;
-    z-index: 1000;
-}
-.tooltipped .tooltiptext {
-    visibility: visible;
-}
-  

src/theme/css/print.css

@@ -1,54 +0,0 @@
-
-#sidebar,
-#menu-bar,
-.nav-chapters,
-.mobile-nav-chapters {
-    display: none;
-}
-
-#page-wrapper.page-wrapper {
-    transform: none;
-    margin-left: 0px;
-    overflow-y: initial;
-}
-
-#content {
-    max-width: none;
-    margin: 0;
-    padding: 0;
-}
-
-.page {
-    overflow-y: initial;
-}
-
-code {
-    background-color: #666666;
-    border-radius: 5px;
-
-    /* Force background to be printed in Chrome */
-    -webkit-print-color-adjust: exact;
-}
-
-pre > .buttons {
-    z-index: 2;
-}
-
-a, a:visited, a:active, a:hover {
-    color: #4183c4;
-    text-decoration: none;
-}
-
-h1, h2, h3, h4, h5, h6 {
-    page-break-inside: avoid;
-    page-break-after: avoid;
-}
-
-pre, code {
-    page-break-inside: avoid;
-    white-space: pre-wrap;
-}
-
-.fa {
-    display: none !important;
-}

src/theme/css/variables.css

@@ -1,210 +0,0 @@
-
-/* Globals */
-
-:root {
-    --sidebar-width: 300px;
-    --page-padding: 15px;
-    --content-max-width: 750px;
-}
-
-/* Themes */
-
-.ayu {
-    --bg: #0f1419;
-    --fg: #c5c5c5;
-
-    --sidebar-bg: #14191f;
-    --sidebar-fg: #c8c9db;
-    --sidebar-non-existant: #5c6773;
-    --sidebar-active: #ffb454;
-    --sidebar-spacer: #2d334f;
-
-    --scrollbar: var(--sidebar-fg);
-
-    --icons: #737480;
-    --icons-hover: #b7b9cc;
-
-    --links: #0096cf;
-
-    --inline-code-color: #ffb454;
-
-    --theme-popup-bg: #14191f;
-    --theme-popup-border: #5c6773;
-    --theme-hover: #191f26;
-
-    --quote-bg: #262933;
-    --quote-border: lighten(var(--quote-bg), 5%);
-
-    --table-border-color: lighten(var(--bg), 5%);
-    --table-header-bg: lighten(var(--bg), 20%);
-    --table-alternate-bg: lighten(var(--bg), 3%);
-
-    --searchbar-border-color: #848484;
-    --searchbar-bg: #424242;
-    --searchbar-fg: #fff;
-    --searchbar-shadow-color: #d4c89f;
-    --searchresults-header-fg: #666;
-    --searchresults-border-color: #888;
-    --searchresults-li-bg: #252932;
-    --search-mark-bg: #e3b171;
-}
-
-.coal {
-    --bg: #141617;
-    --fg: #98a3ad;
-
-    --sidebar-bg: #292c2f;
-    --sidebar-fg: #a1adb8;
-    --sidebar-non-existant: #505254;
-    --sidebar-active: #3473ad;
-    --sidebar-spacer: #393939;
-
-    --scrollbar: var(--sidebar-fg);
-
-    --icons: #43484d;
-    --icons-hover: #b3c0cc;
-
-    --links: #2b79a2;
-
-    --inline-code-color: #c5c8c6;;
-
-    --theme-popup-bg: #141617;
-    --theme-popup-border: #43484d;
-    --theme-hover: #1f2124;
-
-    --quote-bg: #242637;
-    --quote-border: lighten(var(--quote-bg), 5%);
-
-    --table-border-color: lighten(var(--bg), 5%);
-    --table-header-bg: lighten(var(--bg), 20%);
-    --table-alternate-bg: lighten(var(--bg), 3%);
-
-    --searchbar-border-color: #aaa;
-    --searchbar-bg: #b7b7b7;
-    --searchbar-fg: #000;
-    --searchbar-shadow-color: #aaa;
-    --searchresults-header-fg: #666;
-    --searchresults-border-color: #98a3ad;
-    --searchresults-li-bg: #2b2b2f;
-    --search-mark-bg: #355c7d;
-}
-
-.light {
-    --bg: #ffffff;
-    --fg: #333333;
-
-    --sidebar-bg: #fafafa;
-    --sidebar-fg: #364149;
-    --sidebar-non-existant: #aaaaaa;
-    --sidebar-active: #008cff;
-    --sidebar-spacer: #f4f4f4;
-
-    --scrollbar: #cccccc;
-
-    --icons: #cccccc;
-    --icons-hover: #333333;
-
-    --links: #4183c4;
-
-    --inline-code-color: #6e6b5e;
-
-    --theme-popup-bg: #fafafa;
-    --theme-popup-border: #cccccc;
-    --theme-hover: #e6e6e6;
-
-    --quote-bg: #f2f7f9;
-    --quote-border: darken(var(--quote-bg), 5%);
-
-    --table-border-color: darken(var(--bg), 5%);
-    --table-header-bg: darken(var(--bg), 20%);
-    --table-alternate-bg: darken(var(--bg), 3%);
-
-    --searchbar-border-color: #aaa;
-    --searchbar-bg: #fafafa;
-    --searchbar-fg: #000;
-    --searchbar-shadow-color: #aaa;
-    --searchresults-header-fg: #666;
-    --searchresults-border-color: #888;
-    --searchresults-li-bg: #e4f2fe;
-    --search-mark-bg: #a2cff5;
-}
-
-.navy {
-    --bg: #161923;
-    --fg: #bcbdd0;
-
-    --sidebar-bg: #282d3f;
-    --sidebar-fg: #c8c9db;
-    --sidebar-non-existant: #505274;
-    --sidebar-active: #2b79a2;
-    --sidebar-spacer: #2d334f;
-
-    --scrollbar: var(--sidebar-fg);
-
-    --icons: #737480;
-    --icons-hover: #b7b9cc;
-
-    --links: #2b79a2;
-
-    --inline-code-color: #c5c8c6;;
-
-    --theme-popup-bg: #161923;
-    --theme-popup-border: #737480;
-    --theme-hover: #282e40;
-
-    --quote-bg: #262933;
-    --quote-border: lighten(var(--quote-bg), 5%);
-
-    --table-border-color: lighten(var(--bg), 5%);
-    --table-header-bg: lighten(var(--bg), 20%);
-    --table-alternate-bg: lighten(var(--bg), 3%);
-
-    --searchbar-border-color: #aaa;
-    --searchbar-bg: #aeaec6;
-    --searchbar-fg: #000;
-    --searchbar-shadow-color: #aaa;
-    --searchresults-header-fg: #5f5f71;
-    --searchresults-border-color: #5c5c68;
-    --searchresults-li-bg: #242430;
-    --search-mark-bg: #a2cff5;
-}
-
-.rust {
-    --bg: #e1e1db;
-    --fg: #262625;
-
-    --sidebar-bg: #3b2e2a;
-    --sidebar-fg: #c8c9db;
-    --sidebar-non-existant: #505254;
-    --sidebar-active: #e69f67;
-    --sidebar-spacer: #45373a;
-
-    --scrollbar: var(--sidebar-fg);
-
-    --icons: #737480;
-    --icons-hover: #262625;
-
-    --links: #2b79a2;
-
-    --inline-code-color: #6e6b5e;
-
-    --theme-popup-bg: #e1e1db;
-    --theme-popup-border: #b38f6b;
-    --theme-hover: #99908a;
-
-    --quote-bg: #c1c1bb;
-    --quote-border: darken(var(--quote-bg), 5%);
-
-    --table-border-color: darken(var(--bg), 5%);
-    --table-header-bg: #b3a497;
-    --table-alternate-bg: darken(var(--bg), 3%);
-
-    --searchbar-border-color: #aaa;
-    --searchbar-bg: #fafafa;
-    --searchbar-fg: #000;
-    --searchbar-shadow-color: #aaa;
-    --searchresults-header-fg: #666;
-    --searchresults-border-color: #888;
-    --searchresults-li-bg: #dec2a2;
-    --search-mark-bg: #e69f67;
-}

src/theme/index.hbs

@@ -1,5 +1,5 @@
 <!DOCTYPE HTML>
-<html lang="{{ language }}" class="sidebar-visible no-js">
+<html lang="{{ language }}" class="sidebar-visible">
     <head>
         <!-- Book generated using mdBook -->
         <meta charset="UTF-8">
@@ -9,36 +9,49 @@
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <meta name="theme-color" content="#ffffff" />
 
-        <link rel="shortcut icon" href="{{ path_to_root }}{{ favicon }}">
-        <link rel="stylesheet" href="{{ path_to_root }}css/variables.css">
-        <link rel="stylesheet" href="{{ path_to_root }}css/general.css">
-        <link rel="stylesheet" href="{{ path_to_root }}css/chrome.css">
-        <link rel="stylesheet" href="{{ path_to_root }}css/print.css" media="print">
+        <base href="{{ path_to_root }}">
 
-        <!-- Fonts -->
-        <link rel="stylesheet" href="{{ path_to_root }}FontAwesome/css/font-awesome.css">
+        <link rel="stylesheet" href="book.css">
         <link href="https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet" type="text/css">
         <link href="https://fonts.googleapis.com/css?family=Source+Code+Pro:500" rel="stylesheet" type="text/css">
 
-        <!-- Highlight.js Stylesheets -->
-        <link rel="stylesheet" href="{{ path_to_root }}highlight.css">
-        <link rel="stylesheet" href="{{ path_to_root }}tomorrow-night.css">
-        <link rel="stylesheet" href="{{ path_to_root }}ayu-highlight.css">
+        <link rel="shortcut icon" href="{{ favicon }}">
 
-        <!-- Custom theme stylesheets -->
+        <!-- Font Awesome -->
+        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
+
+        <link rel="stylesheet" href="highlight.css">
+        <link rel="stylesheet" href="tomorrow-night.css">
+        <link rel="stylesheet" href="ayu-highlight.css">
+
+        <!-- Custom theme -->
         {{#each additional_css}}
-        <link rel="stylesheet" href="{{ this }}">
+        <link rel="stylesheet" href="{{this}}">
         {{/each}}
 
         {{#if mathjax_support}}
         <!-- MathJax -->
-        <script async type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
+        <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
         {{/if}}
+
+        <!-- Fetch Clipboard.js from CDN but have a local fallback -->
+        <script src="https://cdn.jsdelivr.net/clipboard.js/1.6.1/clipboard.min.js"></script>
+        <script>
+            if (typeof Clipboard == 'undefined') {
+                document.write(unescape("%3Cscript src='clipboard.min.js'%3E%3C/script%3E"));
+            }
+        </script>
+
+        <noscript>
+            <style type="text/css">
+                .javascript-only {
+                    display: none;
+                }
+            </style>
+        </noscript>
+
     </head>
     <body class="light">
-        <!-- Provide site root to javascript -->
-        <script type="text/javascript">var path_to_root = "{{ path_to_root }}";</script>
-
         <!-- Work around some values being stored in localStorage wrapped in quotes -->
         <script type="text/javascript">
             try {
@@ -61,7 +74,7 @@
             try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { } 
             if (theme === null || theme === undefined) { theme = 'light'; }
             document.body.className = theme;
-            document.querySelector('html').className = theme + ' js';
+            document.querySelector('html').className = theme;
         </script>
 
         <!-- Hide / unhide sidebar before it is displayed -->
@@ -86,7 +99,7 @@
                 {{> header}}
                 <div id="menu-bar" class="menu-bar">
                     <div id="menu-bar-sticky-container">
-                        <div class="left-buttons">
+                        <div class="left-buttons javascript-only">
                             <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                                 <i class="fa fa-bars"></i>
                             </button>
@@ -110,7 +123,7 @@
                         <h1 class="menu-title">{{ book_title }}</h1> 
 
                         <div class="right-buttons">
-                            <a href="{{ path_to_root }}print.html" title="Print this book" aria-label="Print this book">
+                            <a href="print.html" title="Print this book" aria-label="Print this book">
                                 <i id="print-button" class="fa fa-print"></i>
                             </a>
                         </div>
@@ -118,15 +131,13 @@
                 </div>
 
                 {{#if search_enabled}}
-                <div id="search-wrapper" class="hidden">
-                    <form id="searchbar-outer" class="searchbar-outer">
-                        <input type="search" name="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
-                    </form>
-                    <div id="searchresults-outer" class="searchresults-outer hidden">
-                        <div id="searchresults-header" class="searchresults-header"></div>
-                        <ul id="searchresults">
-                        </ul>
-                    </div>
+                <div id="searchbar-outer" class="searchbar-outer">
+                    <input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
+                </div>
+                <div id="searchresults-outer" class="searchresults-outer">
+                    <div class="searchresults-header" id="searchresults-header"></div>
+                    <ul id="searchresults">
+                    </ul>
                 </div>
                 {{/if}}
 
@@ -147,13 +158,13 @@
                     <nav class="nav-wrapper" aria-label="Page navigation">
                         <!-- Mobile navigation buttons -->
                         {{#previous}}
-                            <a rel="prev" href="{{ path_to_root }}{{link}}" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
+                            <a rel="prev" href="{{link}}" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
                                 <i class="fa fa-angle-left"></i>
                             </a>
                         {{/previous}}
 
                         {{#next}}
-                            <a rel="next" href="{{ path_to_root }}{{link}}" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
+                            <a rel="next" href="{{link}}" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
                                 <i class="fa fa-angle-right"></i>
                             </a>
                         {{/next}}
@@ -165,13 +176,13 @@
 
             <nav class="nav-wide-wrapper" aria-label="Page navigation">
                 {{#previous}}
-                    <a href="{{ path_to_root }}{{link}}" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
+                    <a href="{{link}}" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
                         <i class="fa fa-angle-left"></i>
                     </a>
                 {{/previous}}
 
                 {{#next}}
-                    <a href="{{ path_to_root }}{{link}}" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
+                    <a href="{{link}}" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
                         <i class="fa fa-angle-right"></i>
                     </a>
                 {{/next}}
@@ -179,6 +190,18 @@
 
         </div>
 
+
+        <!-- Local fallback for Font Awesome -->
+        <script>
+            if (getComputedStyle(document.querySelector(".fa")).fontFamily !== "FontAwesome") {
+                var link = document.createElement('link');
+                link.rel = 'stylesheet';
+                link.type = 'text/css';
+                link.href = '_FontAwesome/css/font-awesome.css';
+                document.head.insertBefore(link, document.head.firstChild)
+            }
+        </script>
+
         {{#if livereload}}
         <!-- Livereload script (if served using the cli tool) -->
         <script type="text/javascript">
@@ -198,7 +221,7 @@
 
         {{#if google_analytics}}
         <!-- Google Analytics Tag -->
-        <script type="text/javascript">
+        <script>
             var localAddrs = ["localhost", "127.0.0.1", ""];
 
             // make sure we don't activate google analytics if the developer is
@@ -216,45 +239,37 @@
         {{/if}}
 
         {{#if playpen_js}}
-        <script src="{{ path_to_root }}ace.js" type="text/javascript" charset="utf-8"></script>
-        <script src="{{ path_to_root }}editor.js" type="text/javascript" charset="utf-8"></script>
-        <script src="{{ path_to_root }}mode-rust.js" type="text/javascript" charset="utf-8"></script>
-        <script src="{{ path_to_root }}theme-dawn.js" type="text/javascript" charset="utf-8"></script>
-        <script src="{{ path_to_root }}theme-tomorrow_night.js" type="text/javascript" charset="utf-8"></script>
+        <script src="ace.js" type="text/javascript" charset="utf-8"></script>
+        <script src="editor.js" type="text/javascript" charset="utf-8"></script>
+        <script src="mode-rust.js" type="text/javascript" charset="utf-8"></script>
+        <script src="theme-dawn.js" type="text/javascript" charset="utf-8"></script>
+        <script src="theme-tomorrow_night.js" type="text/javascript" charset="utf-8"></script>
         {{/if}}
 
+        {{#if search_enabled}}
+        <script src="searchindex.js" type="text/javascript" charset="utf-8"></script>
+        {{/if}}
         {{#if search_js}}
-        <script src="{{ path_to_root }}elasticlunr.min.js" type="text/javascript" charset="utf-8"></script>
-        <script src="{{ path_to_root }}mark.min.js" type="text/javascript" charset="utf-8"></script>
-        <script src="{{ path_to_root }}searcher.js" type="text/javascript" charset="utf-8"></script>
+        <script src="elasticlunr.min.js" type="text/javascript" charset="utf-8"></script>
+        <script src="mark.min.js" type="text/javascript" charset="utf-8"></script>
+        <script src="searcher.js" type="text/javascript" charset="utf-8"></script>
         {{/if}}
 
-        <script src="{{ path_to_root }}clipboard.min.js" type="text/javascript" charset="utf-8"></script>
-        <script src="{{ path_to_root }}highlight.js" type="text/javascript" charset="utf-8"></script>
-        <script src="{{ path_to_root }}book.js" type="text/javascript" charset="utf-8"></script>
-
-        <!-- Custom JS scripts -->
-        {{#each additional_js}}
-        <script type="text/javascript" src="{{ path_to_root }}{{this}}"></script>
-        {{/each}}
-
         {{#if is_print}}
-        {{#if mathjax_support}}
-        <script type="text/javascript">
-        window.addEventListener('load', function() {
-            MathJax.Hub.Register.StartupHook('End', function() {
-                window.setTimeout(window.print, 100);
-            });
-        });
-        </script>
-        {{else}}
-        <script type="text/javascript">
-        window.addEventListener('load', function() {
-            window.setTimeout(window.print, 100);
-        });
+        <script>
+            document.addEventListener('DOMContentLoaded', function() {
+                window.print();
+            })
         </script>
         {{/if}}
-        {{/if}}
+
+        <script src="highlight.js"></script>
+        <script src="book.js"></script>
+
+        <!-- Custom JS script -->
+        {{#each additional_js}}
+        <script type="text/javascript" src="{{this}}"></script>
+        {{/each}}
 
     </body>
 </html>

src/theme/mod.rs

@@ -5,18 +5,15 @@ pub mod playpen_editor;
 #[cfg(feature = "search")]
 pub mod searcher;
 
+use std::path::Path;
 use std::fs::File;
 use std::io::Read;
-use std::path::Path;
 
 use errors::*;
 
 pub static INDEX: &'static [u8] = include_bytes!("index.hbs");
 pub static HEADER: &'static [u8] = include_bytes!("header.hbs");
-pub static CHROME_CSS: &'static [u8] = include_bytes!("css/chrome.css");
-pub static GENERAL_CSS: &'static [u8] = include_bytes!("css/general.css");
-pub static PRINT_CSS: &'static [u8] = include_bytes!("css/print.css");
-pub static VARIABLES_CSS: &'static [u8] = include_bytes!("css/variables.css");
+pub static CSS: &'static [u8] = include_bytes!("book.css");
 pub static FAVICON: &'static [u8] = include_bytes!("favicon.png");
 pub static JS: &'static [u8] = include_bytes!("book.js");
 pub static HIGHLIGHT_JS: &'static [u8] = include_bytes!("highlight.js");
@@ -24,21 +21,22 @@ pub static TOMORROW_NIGHT_CSS: &'static [u8] = include_bytes!("tomorrow-night.cs
 pub static HIGHLIGHT_CSS: &'static [u8] = include_bytes!("highlight.css");
 pub static AYU_HIGHLIGHT_CSS: &'static [u8] = include_bytes!("ayu-highlight.css");
 pub static CLIPBOARD_JS: &'static [u8] = include_bytes!("clipboard.min.js");
-pub static FONT_AWESOME: &'static [u8] = include_bytes!("FontAwesome/css/font-awesome.min.css");
+pub static FONT_AWESOME: &'static [u8] = include_bytes!("_FontAwesome/css/font-awesome.min.css");
 pub static FONT_AWESOME_EOT: &'static [u8] =
-    include_bytes!("FontAwesome/fonts/fontawesome-webfont.eot");
+    include_bytes!("_FontAwesome/fonts/fontawesome-webfont.eot");
 pub static FONT_AWESOME_SVG: &'static [u8] =
-    include_bytes!("FontAwesome/fonts/fontawesome-webfont.svg");
+    include_bytes!("_FontAwesome/fonts/fontawesome-webfont.svg");
 pub static FONT_AWESOME_TTF: &'static [u8] =
-    include_bytes!("FontAwesome/fonts/fontawesome-webfont.ttf");
+    include_bytes!("_FontAwesome/fonts/fontawesome-webfont.ttf");
 pub static FONT_AWESOME_WOFF: &'static [u8] =
-    include_bytes!("FontAwesome/fonts/fontawesome-webfont.woff");
+    include_bytes!("_FontAwesome/fonts/fontawesome-webfont.woff");
 pub static FONT_AWESOME_WOFF2: &'static [u8] =
-    include_bytes!("FontAwesome/fonts/fontawesome-webfont.woff2");
-pub static FONT_AWESOME_OTF: &'static [u8] = include_bytes!("FontAwesome/fonts/FontAwesome.otf");
+    include_bytes!("_FontAwesome/fonts/fontawesome-webfont.woff2");
+pub static FONT_AWESOME_OTF: &'static [u8] = include_bytes!("_FontAwesome/fonts/FontAwesome.otf");
+
 
 /// The `Theme` struct should be used instead of the static variables because
-/// the `new()` method will look if the user has a theme directory in their
+/// the `new()` method will look if the user has a theme directory in his
 /// source folder and use the users theme instead of the default.
 ///
 /// You should only ever use the static variables directly if you want to
@@ -47,10 +45,7 @@ pub static FONT_AWESOME_OTF: &'static [u8] = include_bytes!("FontAwesome/fonts/F
 pub struct Theme {
     pub index: Vec<u8>,
     pub header: Vec<u8>,
-    pub chrome_css: Vec<u8>,
-    pub general_css: Vec<u8>,
-    pub print_css: Vec<u8>,
-    pub variables_css: Vec<u8>,
+    pub css: Vec<u8>,
     pub favicon: Vec<u8>,
     pub js: Vec<u8>,
     pub highlight_css: Vec<u8>,
@@ -78,25 +73,13 @@ impl Theme {
                 (theme_dir.join("index.hbs"), &mut theme.index),
                 (theme_dir.join("header.hbs"), &mut theme.header),
                 (theme_dir.join("book.js"), &mut theme.js),
-                (theme_dir.join("css/chrome.css"), &mut theme.chrome_css),
-                (theme_dir.join("css/general.css"), &mut theme.general_css),
-                (theme_dir.join("css/print.css"), &mut theme.print_css),
-                (
-                    theme_dir.join("css/variables.css"),
-                    &mut theme.variables_css,
-                ),
+                (theme_dir.join("book.css"), &mut theme.css),
                 (theme_dir.join("favicon.png"), &mut theme.favicon),
                 (theme_dir.join("highlight.js"), &mut theme.highlight_js),
                 (theme_dir.join("clipboard.min.js"), &mut theme.clipboard_js),
                 (theme_dir.join("highlight.css"), &mut theme.highlight_css),
-                (
-                    theme_dir.join("tomorrow-night.css"),
-                    &mut theme.tomorrow_night_css,
-                ),
-                (
-                    theme_dir.join("ayu-highlight.css"),
-                    &mut theme.ayu_highlight_css,
-                ),
+                (theme_dir.join("tomorrow-night.css"), &mut theme.tomorrow_night_css),
+                (theme_dir.join("ayu-highlight.css"), &mut theme.ayu_highlight_css),
             ];
 
             for (filename, dest) in files {
@@ -119,10 +102,7 @@ impl Default for Theme {
         Theme {
             index: INDEX.to_owned(),
             header: HEADER.to_owned(),
-            chrome_css: CHROME_CSS.to_owned(),
-            general_css: GENERAL_CSS.to_owned(),
-            print_css: PRINT_CSS.to_owned(),
-            variables_css: VARIABLES_CSS.to_owned(),
+            css: CSS.to_owned(),
             favicon: FAVICON.to_owned(),
             js: JS.to_owned(),
             highlight_css: HIGHLIGHT_CSS.to_owned(),
@@ -150,12 +130,12 @@ fn load_file_contents<P: AsRef<Path>>(filename: P, dest: &mut Vec<u8>) -> Result
     Ok(())
 }
 
+
 #[cfg(test)]
 mod tests {
     use super::*;
-    use std::fs;
-    use std::path::PathBuf;
     use tempfile::Builder as TempFileBuilder;
+    use std::path::PathBuf;
 
     #[test]
     fn theme_uses_defaults_with_nonexistent_src_dir() {
@@ -170,28 +150,21 @@ mod tests {
 
     #[test]
     fn theme_dir_overrides_defaults() {
-        let files = [
-            "index.hbs",
-            "header.hbs",
-            "favicon.png",
-            "css/chrome.css",
-            "css/general.css",
-            "css/print.css",
-            "css/variables.css",
-            "book.js",
-            "highlight.js",
-            "tomorrow-night.css",
-            "highlight.css",
-            "ayu-highlight.css",
-            "clipboard.min.js",
-        ];
+        // Get all the non-Rust files in the theme directory
+        let special_files = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+            .join("src/theme")
+            .read_dir()
+            .unwrap()
+            .filter_map(|f| f.ok())
+            .map(|f| f.path())
+            .filter(|p| p.is_file() && !p.ends_with(".rs"));
 
-        let temp = TempFileBuilder::new().prefix("mdbook-").tempdir().unwrap();
-        fs::create_dir(temp.path().join("css")).unwrap();
+        let temp = TempFileBuilder::new().prefix("mdbook").tempdir().unwrap();
 
         // "touch" all of the special files so we have empty copies
-        for file in &files {
-            File::create(&temp.path().join(file)).unwrap();
+        for special_file in special_files {
+            let filename = temp.path().join(special_file.file_name().unwrap());
+            let _ = File::create(&filename);
         }
 
         let got = Theme::new(temp.path());
@@ -199,10 +172,7 @@ mod tests {
         let empty = Theme {
             index: Vec::new(),
             header: Vec::new(),
-            chrome_css: Vec::new(),
-            general_css: Vec::new(),
-            print_css: Vec::new(),
-            variables_css: Vec::new(),
+            css: Vec::new(),
             favicon: Vec::new(),
             js: Vec::new(),
             highlight_css: Vec::new(),

src/theme/playpen_editor/editor.js

@@ -1,4 +1,3 @@
-"use strict";
 window.editors = [];
 (function(editors) {
     if (typeof(ace) === 'undefined' || !ace) {
@@ -12,8 +11,7 @@ window.editors = [];
             showPrintMargin: false,
             showLineNumbers: false,
             showGutter: false,
-            maxLines: Infinity,
-            fontSize: "0.875em" // please adjust the font size of the code in general.styl
+            maxLines: Infinity
         });
 
         editor.$blockScrolling = Infinity;

src/theme/searcher/searcher.js

@@ -1,24 +1,15 @@
-"use strict";
 window.search = window.search || {};
 (function search(search) {
     // Search functionality
     //
     // You can use !hasFocus() to prevent keyhandling in your key
-    // event handlers while the user is typing their search.
+    // event handlers while the user is typing his search.
 
     if (!Mark || !elasticlunr) {
         return;
     }
-
-    //IE 11 Compatibility from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
-    if (!String.prototype.startsWith) {
-        String.prototype.startsWith = function(search, pos) {
-            return this.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
-        };
-    }
-
-    var search_wrap = document.getElementById('search-wrapper'),
-        searchbar = document.getElementById('searchbar'),
+    
+    var searchbar = document.getElementById('searchbar'),
         searchbar_outer = document.getElementById('searchbar-outer'),
         searchresults = document.getElementById('searchresults'),
         searchresults_outer = document.getElementById('searchresults-outer'),
@@ -27,12 +18,11 @@ window.search = window.search || {};
         content = document.getElementById('content'),
 
         searchindex = null,
-        doc_urls = [],
-        results_options = {
+        resultsoptions = {
             teaser_word_count: 30,
             limit_results: 30,
         },
-        search_options = {
+        searchoptions = {
             bool: "AND",
             expand: true,
             fields: {
@@ -140,12 +130,12 @@ window.search = window.search || {};
         teaser_count++;
 
         // The ?URL_MARK_PARAM= parameter belongs inbetween the page and the #heading-anchor
-        var url = doc_urls[result.ref].split("#");
+        var url = result.ref.split("#");
         if (url.length == 1) { // no anchor found
             url.push("");
         }
 
-        return '<a href="' + path_to_root + url[0] + '?' + URL_MARK_PARAM + '=' + searchterms + '#' + url[1]
+        return '<a href="' + url[0] + '?' + URL_MARK_PARAM + '=' + searchterms + '#' + url[1]
             + '" aria-details="teaser_' + teaser_count + '">' + result.doc.breadcrumbs + '</a>'
             + '<span class="teaser" id="teaser_' + teaser_count + '" aria-label="Search Result Teaser">' 
             + teaser + '</span>';
@@ -197,7 +187,7 @@ window.search = window.search || {};
         }
 
         var window_weight = [];
-        var window_size = Math.min(weighted.length, results_options.teaser_word_count);
+        var window_size = Math.min(weighted.length, resultsoptions.teaser_word_count);
 
         var cur_sum = 0;
         for (var wordindex = 0; wordindex < window_size; wordindex++) {
@@ -247,21 +237,17 @@ window.search = window.search || {};
         return teaser_split.join('');
     }
 
-    function init(config) {
-        results_options = config.results_options;
-        search_options = config.search_options;
-        searchbar_outer = config.searchbar_outer;
-        doc_urls = config.doc_urls;
-        searchindex = elasticlunr.Index.load(config.index);
+    function init() {
+        resultsoptions = window.search.resultsoptions;
+        searchoptions = window.search.searchoptions;
+        searchindex = elasticlunr.Index.load(window.search.index);
 
         // Set up events
         searchicon.addEventListener('click', function(e) { searchIconClickHandler(); }, false);
         searchbar.addEventListener('keyup', function(e) { searchbarKeyUpHandler(); }, false);
-        document.addEventListener('keydown', function(e) { globalKeyHandler(e); }, false);
+        document.addEventListener('keydown', function (e) { globalKeyHandler(e); }, false);
         // If the user uses the browser buttons, do the same as if a reload happened
         window.onpopstate = function(e) { doSearchOrMarkFromUrl(); };
-        // Suppress "submit" events so the page doesn't reload when the user presses Enter
-        document.addEventListener('submit', function(e) { e.preventDefault(); }, false);
 
         // If reloaded, do the search or mark again, depending on the current url parameters
         doSearchOrMarkFromUrl();
@@ -311,84 +297,94 @@ window.search = window.search || {};
     
     // Eventhandler for keyevents on `document`
     function globalKeyHandler(e) {
-        if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey || e.target.type === 'textarea') { return; }
+        if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) { return; }
 
-        if (e.keyCode === ESCAPE_KEYCODE) {
+        if (e.keyCode == ESCAPE_KEYCODE) {
             e.preventDefault();
             searchbar.classList.remove("active");
             setSearchUrlParameters("",
-                (searchbar.value.trim() !== "") ? "push" : "replace");
+                (searchbar.value.trim() != "") ? "push" : "replace");
             if (hasFocus()) {
                 unfocusSearchbar();
             }
             showSearch(false);
             marker.unmark();
-        } else if (!hasFocus() && e.keyCode === SEARCH_HOTKEY_KEYCODE) {
+            return;
+        }
+        if (!hasFocus() && e.keyCode == SEARCH_HOTKEY_KEYCODE) {
             e.preventDefault();
             showSearch(true);
             window.scrollTo(0, 0);
-            searchbar.select();
-        } else if (hasFocus() && e.keyCode === DOWN_KEYCODE) {
+            searchbar.focus();
+            return;
+        }
+        if (hasFocus() && e.keyCode == DOWN_KEYCODE) {
             e.preventDefault();
             unfocusSearchbar();
-            searchresults.firstElementChild.classList.add("focus");
-        } else if (!hasFocus() && (e.keyCode === DOWN_KEYCODE
-                                || e.keyCode === UP_KEYCODE
-                                || e.keyCode === SELECT_KEYCODE)) {
+            searchresults.children('li').first().classList.add("focus");
+            return;
+        }
+        if (!hasFocus() && (e.keyCode == DOWN_KEYCODE
+                            || e.keyCode == UP_KEYCODE
+                            || e.keyCode == SELECT_KEYCODE)) {
             // not `:focus` because browser does annoying scrolling
-            var focused = searchresults.querySelector("li.focus");
-            if (!focused) return;
+            var current_focus = search.searchresults.find("li.focus");
+            if (current_focus.length == 0) return;
             e.preventDefault();
-            if (e.keyCode === DOWN_KEYCODE) {
-                var next = focused.nextElementSibling;
-                if (next) {
-                    focused.classList.remove("focus");
+            if (e.keyCode == DOWN_KEYCODE) {
+                var next = current_focus.next()
+                if (next.length > 0) {
+                    current_focus.classList.remove("focus");
                     next.classList.add("focus");
                 }
-            } else if (e.keyCode === UP_KEYCODE) {
-                focused.classList.remove("focus");
-                var prev = focused.previousElementSibling;
-                if (prev) {
-                    prev.classList.add("focus");
+            } else if (e.keyCode == UP_KEYCODE) {
+                current_focus.classList.remove("focus");
+                var prev = current_focus.prev();
+                if (prev.length == 0) {
+                    searchbar.focus();
                 } else {
-                    searchbar.select();
+                    prev.classList.add("focus");
                 }
-            } else { // SELECT_KEYCODE
-                window.location.assign(focused.querySelector('a'));
+            } else {
+                window.location = current_focus.children('a').attr('href');
             }
         }
     }
     
     function showSearch(yes) {
         if (yes) {
-            search_wrap.classList.remove('hidden');
+            searchbar_outer.style.display = 'block';
+            content.style.display = 'none';
             searchicon.setAttribute('aria-expanded', 'true');
         } else {
-            search_wrap.classList.add('hidden');
+            content.style.display = 'block';
+            searchbar_outer.style.display = 'none';
+            searchresults_outer.style.display = 'none';
+            searchbar.value = '';
+            removeChildren(searchresults);
             searchicon.setAttribute('aria-expanded', 'false');
-            var results = searchresults.children;
-            for (var i = 0; i < results.length; i++) {
-                results[i].classList.remove("focus");
-            }
         }
     }
 
     function showResults(yes) {
         if (yes) {
-            searchresults_outer.classList.remove('hidden');
+            searchbar_outer.style.display = 'block';
+            content.style.display = 'none';
+            searchresults_outer.style.display = 'block';
         } else {
-            searchresults_outer.classList.add('hidden');
+            content.style.display = 'block';
+            searchresults_outer.style.display = 'none';
         }
     }
 
     // Eventhandler for search icon
     function searchIconClickHandler() {
-        if (search_wrap.classList.contains('hidden')) {
+        if (searchbar_outer.style.display === 'block') {
+            showSearch(false);
+        } else {
             showSearch(true);
             window.scrollTo(0, 0);
-            searchbar.select();
-        } else {
-            showSearch(false);
+            searchbar.focus();
         }
     }
     
@@ -443,8 +439,8 @@ window.search = window.search || {};
         if (searchindex == null) { return; }
 
         // Do the actual search
-        var results = searchindex.search(searchterm, search_options);
-        var resultcount = Math.min(results.length, results_options.limit_results);
+        var results = searchindex.search(searchterm, searchoptions);
+        var resultcount = Math.min(results.length, resultsoptions.limit_results);
 
         // Display search metrics
         searchresults_header.innerText = formatSearchMetric(resultcount, searchterm);
@@ -462,16 +458,7 @@ window.search = window.search || {};
         showResults(true);
     }
 
-    fetch(path_to_root + 'searchindex.json')
-        .then(response => response.json())
-        .then(json => init(json))        
-        .catch(error => { // Try to load searchindex.js if fetch failed
-            var script = document.createElement('script');
-            script.src = path_to_root + 'searchindex.js';
-            script.onload = () => init(window.search);
-            document.head.appendChild(script);
-        });
-
+    init();
     // Exported functions
     search.hasFocus = hasFocus;
 })(window.search);

src/theme/stylus/book.styl

@@ -0,0 +1,12 @@
+@import "nib"
+
+@import 'general'
+@import 'sidebar'
+@import 'page'
+@import 'menu'
+@import 'nav-icons'
+@import 'theme-popup'
+@import 'themes'
+@import 'print'
+@import 'tooltip'
+@import 'searchbar'

src/theme/stylus/general.styl

@@ -0,0 +1,72 @@
+html {
+    font-family: "Open Sans", sans-serif
+    color: #333
+}
+
+body {
+    margin: 0;
+    font-size: 1rem;
+    overflow-x: hidden;
+}
+
+code {
+    font-family: "Source Code Pro", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace;
+    font-size: 0.875em;
+}
+
+.left {
+    float: left
+}
+
+.right {
+    float: right
+}
+
+.hidden {
+    display: none;
+}
+
+.play-button.hidden {
+    display: none;
+}
+
+h2, h3 { margin-top: 2.5em }
+h4, h5 { margin-top: 2em }
+
+.header + .header h3, .header + .header h4, .header + .header h5 { margin-top: 1em }
+
+a.header:target h1:before,
+a.header:target h2:before,
+a.header:target h3:before,
+a.header:target h4:before {
+    display: inline-block;
+    content: "»";
+    margin-left: -30px;
+    width: 30px;
+}
+
+table {
+    margin: 0 auto;
+    border-collapse: collapse;
+
+    td {
+      padding: 3px 20px;
+      border: 1px solid;
+    }
+
+    thead {
+      td { font-weight: 700; }
+    }
+}
+
+:not(.footnote-definition) + .footnote-definition,
+.footnote-definition + :not(.footnote-definition) {
+    margin-top: 2em;
+}
+
+.footnote-definition {
+    font-size: 0.9em;
+    margin: 0.5em 0;
+
+    p { display: inline; }
+}

src/theme/stylus/menu.styl

@@ -0,0 +1,42 @@
+#menu-bar {
+    position: -webkit-sticky
+    position: sticky
+    top: 0
+    z-index: 101
+
+    & > #menu-bar-sticky-container {
+        display: flex
+        flex-wrap: wrap
+        transition: transform 0.5s, border-bottom-color 0.5s
+    }
+
+    i, .icon-button {
+        position: relative
+        margin: 0 10px
+        z-index: 10
+        line-height: 50px
+
+        transition: color 0.5s
+
+        &:hover { cursor: pointer }
+    }
+}
+
+
+html:not(.sidebar-visible) #menu-bar:not(:hover).folded > #menu-bar-sticky-container  {
+    transform: translateY(-60px);
+}
+
+.menu-title {
+    display: inline-block
+    font-weight: 200
+    font-size: 20px
+    line-height: 50px
+    text-align: center
+    margin: 0
+    flex: 1
+    white-space: nowrap
+    overflow: hidden
+    text-overflow: ellipsis
+    cursor: pointer;
+}

src/theme/stylus/nav-icons.styl

@@ -0,0 +1,55 @@
+.nav-chapters {
+    font-size: 2.5em
+    text-align: center
+    text-decoration: none
+
+    position: fixed
+    top: 50px /* Height of menu-bar */
+    bottom: 0
+    margin: 0
+    max-width: 150px
+    min-width: 90px
+
+    display: flex
+    justify-content: center
+    align-content: center
+    flex-direction: column
+
+    transition: color 0.5s
+}
+
+.nav-chapters:hover { text-decoration: none }
+
+.nav-wrapper {
+    margin-top: 50px
+    display: none
+}
+
+.mobile-nav-chapters { 
+    font-size: 2.5em
+    text-align: center
+    text-decoration: none
+    width: 90px
+    border-radius: 5px
+}
+
+.previous {
+    float: left
+}
+
+.next {
+    float: right
+    right: $page-padding 
+}
+
+@media only screen and (max-width: $page-plus-sidebar-width) {
+    .nav-wide-wrapper { display: none }
+    .nav-wrapper { display: block }
+}
+
+@media only screen and (max-width: $page-plus-sidebar-width + $sidebar-width) {
+    .sidebar-visible {
+        .nav-wide-wrapper { display: none }
+        .nav-wrapper { display: block }
+    }
+}

src/theme/stylus/page.styl

@@ -0,0 +1,51 @@
+@require 'variables'
+
+.page-wrapper {
+    box-sizing: border-box
+    left: 0
+    position: absolute
+    right: 0
+    top: 0
+    bottom: 0
+
+    // Animation: slide away
+    transition: padding-left 0.5s, margin-left 0.5s, left 0.5s
+}
+
+.sidebar-visible .page-wrapper {
+    left: $sidebar-width
+}
+
+.page {
+    outline: 0
+    padding: 0 $page-padding
+}
+
+.content {
+    position: relative
+    top: 0
+    bottom: 0
+    overflow-y: auto
+    right: 0
+    left: 0
+    padding: 0 15px
+    padding-bottom: 50px
+
+    main {
+        margin-left: auto
+        margin-right: auto
+        max-width: $content-max-width
+    }
+
+    a {
+        text-decoration: none;
+        &:hover { text-decoration: underline; }
+    }
+
+    img { max-width: 100%; }
+}
+
+.sidebar-visible .content {
+    position: absolute
+    top: 52px
+}

src/theme/stylus/print.styl

@@ -0,0 +1,60 @@
+@media only print {
+
+    #sidebar,
+    #menu-bar,
+    .nav-chapters,
+    .mobile-nav-chapters {
+        display: none
+    }
+
+    #page-wrapper {
+        left: 0;
+        overflow-y: initial;
+    }
+
+    #page-wrapper.page-wrapper {
+        padding-left: 0px;
+    }
+
+    #content {
+        max-width: none;
+        margin: 0;
+        padding: 0;
+    }
+
+    .page {
+        overflow-y: initial;
+    }
+
+    code {
+        background-color: #666666
+        border-radius: 5px
+
+        /* Force background to be printed in Chrome */
+        -webkit-print-color-adjust: exact
+    }
+
+    pre > .buttons {
+        z-index: 2;
+    }
+
+    a, a:visited, a:active, a:hover {
+        color: #4183c4
+        text-decoration: none
+    }
+
+    h1, h2, h3, h4, h5, h6 {
+        page-break-inside: avoid
+        page-break-after: avoid
+        /*break-after: avoid*/
+    }
+
+    pre, code {
+        page-break-inside: avoid
+        white-space: pre-wrap       /* CSS 3 */
+        white-space: -moz-pre-wrap  /* Mozilla, since 1999 */
+        white-space: -pre-wrap      /* Opera 4-6 */
+        white-space: -o-pre-wrap    /* Opera 7 */
+        word-wrap: break-word       /* Internet Explorer 5.5+ */
+    }
+}

src/theme/stylus/searchbar.styl

@@ -0,0 +1,67 @@
+@require 'variables'
+
+#searchresults a {
+    text-decoration: none;
+}
+
+mark {
+    border-radius: 2px;
+    padding: 0 3px 1px 3px;
+    margin: 0 -3px -1px -3px;
+    transition: background-color 300ms linear;
+}
+
+.fade-out {
+    background-color: rgba(0,0,0,0) !important
+}
+
+.searchbar-outer {
+    display: none;
+    margin-left: auto;
+    margin-right: auto;
+    max-width: $content-max-width;
+}
+
+#searchbar {
+    display: block;
+    width: 100%;
+    margin: 5px auto 0px auto;
+    padding: 10px 16px;
+    transition: box-shadow 300ms ease-in-out;
+}
+
+.searchresults-header {
+    font-weight: bold;
+    font-size: 1em;
+    padding: 18px 0 0 5px;
+}
+
+.searchresults-outer {
+    display: none;
+    margin-left: auto;
+    margin-right: auto;
+    max-width: $content-max-width;
+}
+
+ul#searchresults {
+    list-style: none;
+    padding-left: 20px;
+
+    li {
+        margin: 10px 0px;
+        padding: 2px;
+        border-radius: 2px;
+    }
+
+    span.teaser {
+        display: block;
+        clear: both;
+        margin: 5px 0 0 20px;
+        font-size: 0.8em;
+    }
+
+    span.teaser em {
+        font-weight: bold;
+        font-style: normal;
+    }
+}

src/theme/stylus/sidebar.styl

@@ -0,0 +1,60 @@
+@require 'variables'
+
+.sidebar {
+    position: fixed
+    left: 0
+    top: 0
+    bottom: 0
+    width: $sidebar-width
+    overflow-y: auto
+    padding: 10px 10px
+    font-size: 0.875em
+    box-sizing: border-box
+    -webkit-overflow-scrolling: touch
+    overscroll-behavior-y: contain;
+
+    // Animation: slide away
+    transition: transform 0.5s
+
+    code {
+        line-height: 2em;
+    }
+}
+
+.sidebar-hidden .sidebar {
+    transform: translateX(- $sidebar-width)
+}
+
+.chapter {
+    list-style: none outside none
+    padding-left: 0
+    line-height: 2.2em
+
+    li a {
+        display: block;
+        padding: 0
+        text-decoration: none
+
+        @media (-moz-touch-enabled: 1), (pointer: coarse) { padding: 5px 0; }
+        &:hover { text-decoration: none }
+    }
+
+    .spacer {
+        width: 100%
+        height: 3px
+        margin: 5px 0px
+        @media (-moz-touch-enabled: 1), (pointer: coarse) { margin: 10px 0; }
+    }
+}
+
+.section {
+    list-style: none outside none
+    padding-left: 20px
+    line-height: 1.9em
+
+    li {
+        text-overflow: ellipsis
+        overflow: hidden
+        white-space: nowrap
+    }
+}

src/theme/stylus/theme-popup.styl

@@ -0,0 +1,31 @@
+.theme-popup {
+    position: absolute
+    left: 10px
+
+    z-index: 1000;
+
+    border-radius: 4px
+    font-size: 0.7em
+
+    .theme {
+        display: inline
+        border: 0
+        margin: 0
+        padding: 2px 10px
+        line-height: 25px
+        width: 100%
+        white-space: nowrap
+        text-align: left
+        cursor: pointer
+        color inherit
+        background: inherit;
+        font-size: inherit;
+
+        &:hover:first-child,
+        &:hover:last-child {
+            border-top-left-radius: inherit;
+            border-top-right-radius: inherit;
+        }
+    }
+
+}

src/theme/stylus/themes/ayu.styl

@@ -0,0 +1,41 @@
+$theme-name = 'ayu'
+
+$bg = #0f1419
+$fg = #c5c5c5
+
+$sidebar-bg = #14191f
+$sidebar-fg = #c8c9db
+$sidebar-non-existant = #5c6773
+$sidebar-active = #ffb454
+$sidebar-spacer = #2d334f
+
+$scrollbar = $sidebar-fg
+
+$icons = #737480
+$icons-hover = #b7b9cc
+
+$links = #0096cf
+
+$inline-code-color = #ffb454
+
+$theme-popup-bg = #14191f
+$theme-popup-border = #5c6773
+$theme-hover = #191f26
+
+$quote-bg = #262933
+$quote-border = lighten($quote-bg, 5%)
+
+$table-border-color = lighten($bg, 5%)
+$table-header-bg = lighten($bg, 20%)
+$table-alternate-bg = lighten($bg, 3%)
+
+$searchbar-border-color = #848484
+$searchbar-bg = #424242
+$searchbar-fg = #fff
+$searchbar-shadow-color = #d4c89f
+$searchresults-header-fg = #666
+$searchresults-border-color = #888
+$searchresults-li-bg = #252932
+$search-mark-bg = #e3b171
+
+@import 'base'

src/theme/stylus/themes/base.styl

@@ -0,0 +1,222 @@
+.{unquote($theme-name)} {
+
+    color: $fg
+    background-color: $bg
+
+    .content .header:link, .content .header:visited {
+        color: $fg;
+        pointer: cursor;
+
+        &:hover {
+            text-decoration: none;
+        }
+    }
+
+    .menu-bar {
+        margin: auto (- $page-padding);
+
+        & > #menu-bar-sticky-container {
+            background-color: $bg
+            border-bottom-color: $bg
+            border-bottom-width: 1px
+            border-bottom-style: solid
+        }
+
+        &.bordered > #menu-bar-sticky-container  {
+            border-bottom-color: $table-border-color
+        }
+    }
+
+    $table-border-color
+
+    .sidebar {
+        background-color: $sidebar-bg
+        color: $sidebar-fg
+
+        &::-webkit-scrollbar {
+            background: $sidebar-bg;
+        }
+
+        &::-webkit-scrollbar-thumb {
+            background: $scrollbar;
+        }
+    }
+
+    .chapter li {
+        color: $sidebar-non-existant
+
+        a { color: $sidebar-fg }
+
+        .active,
+         a:hover, {
+            /* Animate color change */
+            color: $sidebar-active
+        }
+    }
+
+    .chapter .spacer {
+        background-color: $sidebar-spacer
+    }
+
+    .menu-bar,
+    .menu-bar:visited,
+    .nav-chapters,
+    .nav-chapters:visited,
+    .mobile-nav-chapters,
+    .mobile-nav-chapters:visited,
+    .menu-bar .icon-button,
+    .menu-bar a i {
+        color: $icons
+    }
+
+    .menu-bar i:hover,
+    .menu-bar .icon-button:hover,
+    .nav-chapters:hover,
+    .mobile-nav-chapters i:hover {
+        color: $icons-hover
+    }
+
+    .mobile-nav-chapters i:hover {
+        color: $sidebar-fg
+    }
+
+    .mobile-nav-chapters {
+        background-color: $sidebar-bg
+    }
+
+    #searchresults a,
+    .content a:link,
+    a:visited,
+    a > .hljs {
+        color: $links
+    }
+
+    .theme-popup {
+        color: $fg
+        background: $theme-popup-bg
+        border: 1px solid $theme-popup-border
+        margin: 0;
+        padding: 0;
+        list-style: none;
+        display: none;
+
+        .theme:hover { background-color: $theme-hover }
+
+        .default { color: $icons }
+    }
+
+    blockquote {
+        margin: 20px 0;
+        padding: 0 20px;
+        color: $fg;
+        background-color: $quote-bg;
+        border-top: .1em solid $quote-border;
+        border-bottom: .1em solid $quote-border;
+    }
+
+
+    table {
+
+        td {
+            border-color: $table-border-color;
+        }
+
+        // Alternate background colors for rows
+        tbody tr:nth-child(2n) {
+            background: $table-alternate-bg;
+        }
+
+        thead {
+            background: $table-header-bg;
+            td { border: none; }
+            tr { border: 1px $table-header-bg solid; }
+        }
+    }
+
+
+    /* Inline code */
+    :not(pre) > .hljs {
+        display: inline-block;
+        vertical-align: middle;
+        padding: 0.1em 0.3em;
+        border-radius: 3px;
+        color: $inline-code-color;
+    }
+
+    a:hover > .hljs {
+        text-decoration: underline;
+    }
+
+    pre {
+        position: relative;
+
+        & > .buttons {
+            position: absolute;
+            z-index: 100;
+            right: 5px;
+            top: 5px;
+
+            color: $sidebar-fg;
+            cursor: pointer;
+
+            :hover { color: $sidebar-active; }
+            i { margin-left: 8px; }
+            button {
+                color: inherit;
+                background: transparent;
+                border: none;
+                cursor: inherit;
+            }
+        }
+
+        & > .result { margin-top: 10px; }
+
+    }
+
+    .icon-button {
+        border: none;
+        background: none;
+        padding: 0;
+        color: inherit;
+
+        i {
+            margin: 0;
+        }
+    }
+
+    ::-webkit-scrollbar {
+        background: $bg;
+    }
+
+    ::-webkit-scrollbar-thumb {
+        background: $scrollbar;
+    }
+
+    /* Search */
+    #searchbar {
+        border: 1px solid $searchbar-border-color;
+        border-radius: 3px;
+        background-color: $searchbar-bg;
+        color: $searchbar-fg
+
+        &:focus, &.active {
+            box-shadow: 0 0 3px $searchbar-shadow-color;
+        }
+    }
+
+    .searchresults-header {
+        color: $searchresults-header-fg;
+    }
+
+    .searchresults-outer {
+        border-bottom: 1px dashed $searchresults-border-color;
+    }
+
+    ul#searchresults li.focus {
+        background-color: $searchresults-li-bg;
+    }
+
+    mark {
+        background-color: $search-mark-bg;
+    }
+}

src/theme/stylus/themes/coal.styl

@@ -0,0 +1,41 @@
+$theme-name = 'coal'
+
+$bg = #141617
+$fg = #98a3ad
+
+$sidebar-bg = #292c2f
+$sidebar-fg = #a1adb8
+$sidebar-non-existant = #505254
+$sidebar-active = #3473ad
+$sidebar-spacer = #393939
+
+$scrollbar = $sidebar-fg
+
+$icons = #43484d
+$icons-hover = #b3c0cc
+
+$links = #2b79a2
+
+$inline-code-color = #c5c8c6;
+
+$theme-popup-bg = #141617
+$theme-popup-border = #43484d
+$theme-hover = #1f2124
+
+$quote-bg = #242637
+$quote-border = lighten($quote-bg, 5%)
+
+$table-border-color = lighten($bg, 5%)
+$table-header-bg = lighten($bg, 20%)
+$table-alternate-bg = lighten($bg, 3%)
+
+$searchbar-border-color = #aaa
+$searchbar-bg = #b7b7b7
+$searchbar-fg = #000
+$searchbar-shadow-color = #aaa
+$searchresults-header-fg = #666
+$searchresults-border-color = #98a3ad
+$searchresults-li-bg = #2b2b2f
+$search-mark-bg = #355c7d
+
+@import 'base'

src/theme/stylus/themes/index.styl

@@ -0,0 +1,5 @@
+@import 'light'
+@import 'coal'
+@import 'navy'
+@import 'rust'
+@import 'ayu'

src/theme/stylus/themes/light.styl

@@ -0,0 +1,41 @@
+$theme-name = 'light'
+
+$bg = #ffffff
+$fg = #333333
+
+$sidebar-bg = #fafafa
+$sidebar-fg = #364149
+$sidebar-non-existant = #aaaaaa
+$sidebar-active = #008cff
+$sidebar-spacer = #f4f4f4
+
+$scrollbar = #cccccc
+
+$icons = #cccccc
+$icons-hover = #333333
+
+$links = #4183c4
+
+$inline-code-color = #6e6b5e
+
+$theme-popup-bg = #fafafa
+$theme-popup-border = #cccccc
+$theme-hover = #e6e6e6
+
+$quote-bg = #f2f7f9
+$quote-border = darken($quote-bg, 5%)
+
+$table-border-color = darken($bg, 5%)
+$table-header-bg = darken($bg, 20%)
+$table-alternate-bg = darken($bg, 3%)
+
+$searchbar-border-color = #aaa
+$searchbar-bg = #fafafa
+$searchbar-fg = #000
+$searchbar-shadow-color = #aaa
+$searchresults-header-fg = #666
+$searchresults-border-color = #888
+$searchresults-li-bg = #e4f2fe
+$search-mark-bg = #a2cff5
+
+@import 'base'

src/theme/stylus/themes/navy.styl

@@ -0,0 +1,41 @@
+$theme-name = 'navy'
+
+$bg = #161923
+$fg = #bcbdd0
+
+$sidebar-bg = #282d3f
+$sidebar-fg = #c8c9db
+$sidebar-non-existant = #505274
+$sidebar-active = #2b79a2
+$sidebar-spacer = #2d334f
+
+$scrollbar = $sidebar-fg
+
+$icons = #737480
+$icons-hover = #b7b9cc
+
+$links = #2b79a2
+
+$inline-code-color = #c5c8c6;
+
+$theme-popup-bg = #161923
+$theme-popup-border = #737480
+$theme-hover = #282e40
+
+$quote-bg = #262933
+$quote-border = lighten($quote-bg, 5%)
+
+$table-border-color = lighten($bg, 5%)
+$table-header-bg = lighten($bg, 20%)
+$table-alternate-bg = lighten($bg, 3%)
+
+$searchbar-border-color = #aaa
+$searchbar-bg = #aeaec6
+$searchbar-fg = #000
+$searchbar-shadow-color = #aaa
+$searchresults-header-fg = #5f5f71
+$searchresults-border-color = #5c5c68
+$searchresults-li-bg = #242430
+$search-mark-bg = #a2cff5
+
+@import 'base'

src/theme/stylus/themes/rust.styl

@@ -0,0 +1,41 @@
+$theme-name = 'rust'
+
+$bg = #e1e1db
+$fg = #262625
+
+$sidebar-bg = #3b2e2a
+$sidebar-fg = #c8c9db
+$sidebar-non-existant = #505254
+$sidebar-active = #e69f67
+$sidebar-spacer = #45373a
+
+$scrollbar = $sidebar-fg
+
+$icons = #737480
+$icons-hover = #262625
+
+$links = #2b79a2
+
+$inline-code-color = #6e6b5e;
+
+$theme-popup-bg = #e1e1db
+$theme-popup-border = #b38f6b
+$theme-hover = #99908a
+
+$quote-bg = #c1c1bb
+$quote-border = darken($quote-bg, 5%)
+
+$table-border-color = darken($bg, 5%)
+$table-header-bg = #b3a497
+$table-alternate-bg = darken($bg, 3%)
+
+$searchbar-border-color = #aaa
+$searchbar-bg = #fafafa
+$searchbar-fg = #000
+$searchbar-shadow-color = #aaa
+$searchresults-header-fg = #666
+$searchresults-border-color = #888
+$searchresults-li-bg = #dec2a2
+$search-mark-bg = #e69f67
+
+@import 'base'

src/theme/stylus/tooltip.styl

@@ -0,0 +1,18 @@
+.tooltiptext {
+  position: absolute;
+  visibility: hidden;
+  color: #fff;
+  background-color: #333;
+  transform: translateX(-50%);  /* Center by moving tooltip 50% of its width left */
+  left: -8px;   /* Half of the width of the icon */
+  top: -35px;
+  font-size: 0.8em;
+  text-align: center;
+  border-radius: 6px;
+  padding: 5px 8px;
+  margin: 5px;
+  z-index: 1000;
+}
+.tooltipped .tooltiptext {
+  visibility: visible;
+}

src/theme/stylus/variables.styl

@@ -0,0 +1,4 @@
+$sidebar-width = 300px
+$page-padding = 15px
+$content-max-width = 750px
+$page-plus-sidebar-width = $content-max-width + $sidebar-width + $page-padding * 2

src/utils/fs.rs

@@ -25,10 +25,16 @@ pub fn normalize_path(path: &str) -> String {
 }
 
 /// Write the given data to a file, creating it first if necessary
-pub fn write_file<P: AsRef<Path>>(build_dir: &Path, filename: P, content: &[u8]) -> Result<()> {
+pub fn write_file<P: AsRef<Path>>(
+    build_dir: &Path,
+    filename: P,
+    content: &[u8],
+) -> Result<()> {
     let path = build_dir.join(filename);
 
-    create_file(&path)?.write_all(content).map_err(|e| e.into())
+    create_file(&path)?
+        .write_all(content)
+        .map_err(|e| e.into())
 }
 
 /// Takes a path and returns a path containing just enough `../` to point to

src/utils/mod.rs

@@ -5,13 +5,12 @@ mod string;
 use errors::Error;
 use regex::Regex;
 
-use pulldown_cmark::{
-    html, Event, Options, Parser, Tag, OPTION_ENABLE_FOOTNOTES, OPTION_ENABLE_TABLES,
-};
+use pulldown_cmark::{html, Event, Options, Parser, Tag, OPTION_ENABLE_FOOTNOTES,
+                     OPTION_ENABLE_TABLES};
 
 use std::borrow::Cow;
 
-pub use self::string::{take_lines, RangeArgument};
+pub use self::string::{RangeArgument, take_lines};
 
 /// Replaces multiple consecutive whitespace characters with a single space character.
 pub fn collapse_whitespace<'a>(text: &'a str) -> Cow<'a, str> {
@@ -36,10 +35,7 @@ pub fn normalize_id(content: &str) -> String {
         })
         .collect::<String>();
     // Ensure that the first character is [A-Za-z]
-    if ret.chars()
-        .next()
-        .map_or(false, |c| !c.is_ascii_alphabetic())
-    {
+    if ret.chars().next().map_or(false, |c| !c.is_ascii_alphabetic()) {
         ret.insert(0, 'a');
     }
     ret
@@ -51,19 +47,17 @@ pub fn id_from_content(content: &str) -> String {
     let mut content = content.to_string();
 
     // Skip any tags or html-encoded stuff
-    const REPL_SUB: &[&str] = &[
-        "<em>",
-        "</em>",
-        "<code>",
-        "</code>",
-        "<strong>",
-        "</strong>",
-        "&lt;",
-        "&gt;",
-        "&amp;",
-        "&#39;",
-        "&quot;",
-    ];
+    const REPL_SUB: &[&str] = &["<em>",
+                                "</em>",
+                                "<code>",
+                                "</code>",
+                                "<strong>",
+                                "</strong>",
+                                "&lt;",
+                                "&gt;",
+                                "&amp;",
+                                "&#39;",
+                                "&quot;"];
     for sub in REPL_SUB {
         content = content.replace(sub, "");
     }
@@ -74,32 +68,6 @@ pub fn id_from_content(content: &str) -> String {
     normalize_id(trimmed)
 }
 
-fn adjust_links(event: Event) -> Event {
-    lazy_static! {
-        static ref HTTP_LINK: Regex = Regex::new("^https?://").unwrap();
-        static ref MD_LINK: Regex = Regex::new("(?P<link>.*).md(?P<anchor>#.*)?").unwrap();
-    }
-
-    match event {
-        Event::Start(Tag::Link(dest, title)) => {
-            if !HTTP_LINK.is_match(&dest) {
-                if let Some(caps) = MD_LINK.captures(&dest) {
-                    let mut html_link = [&caps["link"], ".html"].concat();
-
-                    if let Some(anchor) = caps.name("anchor") {
-                        html_link.push_str(anchor.as_str());
-                    }
-
-                    return Event::Start(Tag::Link(Cow::from(html_link), title));
-                }
-            }
-
-            Event::Start(Tag::Link(dest, title))
-        }
-        _ => event,
-    }
-}
-
 /// Wrapper around the pulldown-cmark parser for rendering markdown to HTML.
 pub fn render_markdown(text: &str, curly_quotes: bool) -> String {
     let mut s = String::with_capacity(text.len() * 3 / 2);
@@ -111,8 +79,7 @@ pub fn render_markdown(text: &str, curly_quotes: bool) -> String {
     let p = Parser::new_ext(text, opts);
     let mut converter = EventQuoteConverter::new(curly_quotes);
     let events = p.map(clean_codeblock_headers)
-        .map(adjust_links)
-        .map(|event| converter.convert(event));
+                  .map(|event| converter.convert(event));
 
     html::push_html(&mut s, events);
     s
@@ -164,36 +131,36 @@ fn clean_codeblock_headers(event: Event) -> Event {
     }
 }
 
+
 fn convert_quotes_to_curly(original_text: &str) -> String {
     // We'll consider the start to be "whitespace".
     let mut preceded_by_whitespace = true;
 
-    original_text
-        .chars()
-        .map(|original_char| {
-            let converted_char = match original_char {
-                '\'' => {
-                    if preceded_by_whitespace {
-                        '‘'
-                    } else {
-                        '’'
-                    }
+    original_text.chars()
+                 .map(|original_char| {
+        let converted_char = match original_char {
+            '\'' => {
+                if preceded_by_whitespace {
+                    '‘'
+                } else {
+                    '’'
                 }
-                '"' => {
-                    if preceded_by_whitespace {
-                        '“'
-                    } else {
-                        '”'
-                    }
+            }
+            '"' => {
+                if preceded_by_whitespace {
+                    '“'
+                } else {
+                    '”'
                 }
-                _ => original_char,
-            };
+            }
+            _ => original_char,
+        };
 
-            preceded_by_whitespace = original_char.is_whitespace();
+        preceded_by_whitespace = original_char.is_whitespace();
 
-            converted_char
-        })
-        .collect()
+        converted_char
+    })
+                 .collect()
 }
 
 /// Prints a "backtrace" of some `Error`.
@@ -210,26 +177,6 @@ mod tests {
     mod render_markdown {
         use super::super::render_markdown;
 
-        #[test]
-        fn preserves_external_links() {
-            assert_eq!(
-                render_markdown("[example](https://www.rust-lang.org/)", false),
-                "<p><a href=\"https://www.rust-lang.org/\">example</a></p>\n"
-            );
-        }
-
-        #[test]
-        fn it_can_adjust_markdown_links() {
-            assert_eq!(
-                render_markdown("[example](example.md)", false),
-                "<p><a href=\"example.html\">example</a></p>\n"
-            );
-            assert_eq!(
-                render_markdown("[example_anchor](example.md#anchor)", false),
-                "<p><a href=\"example.html#anchor\">example_anchor</a></p>\n"
-            );
-        }
-
         #[test]
         fn it_can_keep_quotes_straight() {
             assert_eq!(render_markdown("'one'", false), "<p>'one'</p>\n");
@@ -328,26 +275,18 @@ more text with spaces
 
         #[test]
         fn it_generates_anchors() {
-            assert_eq!(
-                id_from_content("## `--passes`: add more rustdoc passes"),
-                "a--passes-add-more-rustdoc-passes"
-            );
-            assert_eq!(
-                id_from_content("## Method-call expressions"),
-                "method-call-expressions"
-            );
+            assert_eq!(id_from_content("## `--passes`: add more rustdoc passes"),
+                    "a--passes-add-more-rustdoc-passes");
+            assert_eq!(id_from_content("## Method-call expressions"),
+                    "method-call-expressions");
         }
 
         #[test]
         fn it_normalizes_ids() {
-            assert_eq!(
-                normalize_id("`--passes`: add more rustdoc passes"),
-                "a--passes-add-more-rustdoc-passes"
-            );
-            assert_eq!(
-                normalize_id("Method-call 🐙 expressions \u{1f47c}"),
-                "method-call--expressions-"
-            );
+            assert_eq!(normalize_id("`--passes`: add more rustdoc passes"),
+                    "a--passes-add-more-rustdoc-passes");
+            assert_eq!(normalize_id("Method-call 🐙 expressions \u{1f47c}"),
+                    "method-call--expressions-");
             assert_eq!(normalize_id("_-_12345"), "a_-_12345");
             assert_eq!(normalize_id("12345"), "a12345");
             assert_eq!(normalize_id(""), "");
@@ -359,18 +298,14 @@ more text with spaces
 
         #[test]
         fn it_converts_single_quotes() {
-            assert_eq!(
-                convert_quotes_to_curly("'one', 'two'"),
-                "‘one’, ‘two’"
-            );
+            assert_eq!(convert_quotes_to_curly("'one', 'two'"),
+                       "‘one’, ‘two’");
         }
 
         #[test]
         fn it_converts_double_quotes() {
-            assert_eq!(
-                convert_quotes_to_curly(r#""one", "two""#),
-                "“one”, “two”"
-            );
+            assert_eq!(convert_quotes_to_curly(r#""one", "two""#),
+                       "“one”, “two”");
         }
 
         #[test]

src/utils/string.rs

@@ -1,5 +1,5 @@
-use itertools::Itertools;
 use std::ops::{Range, RangeFrom, RangeFull, RangeTo};
+use itertools::Itertools;
 
 // This trait is already contained in the standard lib, however it is unstable.
 // TODO: Remove when the `collections_range` feature stabilises
@@ -50,7 +50,7 @@ pub fn take_lines<R: RangeArgument<usize>>(s: &str, range: R) -> String {
     let start = *range.start().unwrap_or(&0);
     let mut lines = s.lines().skip(start);
     match range.end() {
-        Some(&end) => lines.take(end.saturating_sub(start)).join("\n"),
+        Some(&end) => lines.take(end.checked_sub(start).unwrap_or(0)).join("\n"),
         None => lines.join("\n"),
     }
 }

tests/alternate_backends.rs

@@ -3,11 +3,11 @@
 extern crate mdbook;
 extern crate tempfile;
 
-use mdbook::config::Config;
-use mdbook::MDBook;
 #[cfg(not(windows))]
 use std::path::Path;
-use tempfile::{Builder as TempFileBuilder, TempDir};
+use tempfile::{TempDir, Builder as TempFileBuilder};
+use mdbook::config::Config;
+use mdbook::MDBook;
 
 #[test]
 fn passing_alternate_backend() {
@@ -52,8 +52,8 @@ fn tee_command<P: AsRef<Path>>(out_file: P) -> String {
 #[test]
 #[cfg(not(windows))]
 fn backends_receive_render_context_via_stdin() {
-    use mdbook::renderer::RenderContext;
     use std::fs::File;
+    use mdbook::renderer::RenderContext;
 
     let temp = TempFileBuilder::new().prefix("output").tempdir().unwrap();
     let out_file = temp.path().join("out.txt");

tests/dummy_book/mod.rs

@@ -7,18 +7,19 @@ extern crate mdbook;
 extern crate tempfile;
 extern crate walkdir;
 
-use mdbook::errors::*;
-use mdbook::utils::fs::file_to_string;
+use std::path::Path;
 use std::fs::{self, File};
 use std::io::{Read, Write};
-use std::path::Path;
+use mdbook::errors::*;
+use mdbook::utils::fs::file_to_string;
 
 // The funny `self::` here is because we've got an `extern crate ...` and are
 // in a submodule
+use self::tempfile::{TempDir, Builder as TempFileBuilder};
 use self::mdbook::MDBook;
-use self::tempfile::{Builder as TempFileBuilder, TempDir};
 use self::walkdir::WalkDir;
 
+
 /// Create a dummy book in a temporary directory, using the contents of
 /// `SUMMARY_MD` as a guide.
 ///
@@ -46,16 +47,13 @@ impl DummyBook {
 
     /// Write a book to a temporary directory using the provided settings.
     pub fn build(&self) -> Result<TempDir> {
-        let temp = TempFileBuilder::new()
-            .prefix("dummy_book-")
-            .tempdir()
-            .chain_err(|| "Unable to create temp directory")?;
+        let temp = TempFileBuilder::new().prefix("dummy_book").tempdir().chain_err(|| "Unable to create temp directory")?;
 
         let dummy_book_root = Path::new(env!("CARGO_MANIFEST_DIR")).join("tests/dummy_book");
         recursive_copy(&dummy_book_root, temp.path()).chain_err(|| {
-            "Couldn't copy files into a \
-             temporary directory"
-        })?;
+                                                                     "Couldn't copy files into a \
+                                                                      temporary directory"
+                                                                 })?;
 
         let sub_pattern = if self.passing_test { "true" } else { "false" };
         let file_containing_test = temp.path().join("src/first/nested.md");
@@ -79,13 +77,11 @@ pub fn assert_contains_strings<P: AsRef<Path>>(filename: P, strings: &[&str]) {
     let content = file_to_string(filename).expect("Couldn't read the file's contents");
 
     for s in strings {
-        assert!(
-            content.contains(s),
-            "Searching for {:?} in {}\n\n{}",
-            s,
-            filename.display(),
-            content
-        );
+        assert!(content.contains(s),
+                "Searching for {:?} in {}\n\n{}",
+                s,
+                filename.display(),
+                content);
     }
 }
 
@@ -94,16 +90,15 @@ pub fn assert_doesnt_contain_strings<P: AsRef<Path>>(filename: P, strings: &[&st
     let content = file_to_string(filename).expect("Couldn't read the file's contents");
 
     for s in strings {
-        assert!(
-            !content.contains(s),
-            "Found {:?} in {}\n\n{}",
-            s,
-            filename.display(),
-            content
-        );
+        assert!(!content.contains(s),
+                "Found {:?} in {}\n\n{}",
+                s,
+                filename.display(),
+                content);
     }
 }
 
+
 /// Recursively copy an entire directory tree to somewhere else (a la `cp -r`).
 fn recursive_copy<A: AsRef<Path>, B: AsRef<Path>>(from: A, to: B) -> Result<()> {
     let from = from.as_ref();
@@ -113,9 +108,9 @@ fn recursive_copy<A: AsRef<Path>, B: AsRef<Path>>(from: A, to: B) -> Result<()>
         let entry = entry.chain_err(|| "Unable to inspect directory entry")?;
 
         let original_location = entry.path();
-        let relative = original_location
-            .strip_prefix(&from)
-            .expect("`original_location` is inside the `from` directory");
+        let relative = original_location.strip_prefix(&from)
+                                        .expect("`original_location` is inside the `from` \
+                                                 directory");
         let new_location = to.join(relative);
 
         if original_location.is_file() {
@@ -123,8 +118,9 @@ fn recursive_copy<A: AsRef<Path>, B: AsRef<Path>>(from: A, to: B) -> Result<()>
                 fs::create_dir_all(parent).chain_err(|| "Couldn't create directory")?;
             }
 
-            fs::copy(&original_location, &new_location)
-                .chain_err(|| "Unable to copy file contents")?;
+            fs::copy(&original_location, &new_location).chain_err(|| {
+                                                                      "Unable to copy file contents"
+                                                                  })?;
         }
     }
 
@@ -133,7 +129,7 @@ fn recursive_copy<A: AsRef<Path>, B: AsRef<Path>>(from: A, to: B) -> Result<()>
 
 pub fn new_copy_of_example_book() -> Result<TempDir> {
     let temp = TempFileBuilder::new().prefix("book-example").tempdir()?;
-
+    
     let book_example = Path::new(env!("CARGO_MANIFEST_DIR")).join("book-example");
 
     recursive_copy(book_example, temp.path())?;

tests/dummy_book/src/README.md

@@ -1,5 +0,0 @@
-# Dummy Book
-
-This file is just here to cause the index preprocessor to run.
-
-Does a pretty good job, too.

tests/dummy_book/src/SUMMARY.md

@@ -1,12 +1,10 @@
 # Summary
 
-[Dummy Book](README.md)
 [Introduction](intro.md)
 
 - [First Chapter](first/index.md)
     - [Nested Chapter](first/nested.md)
     - [Includes](first/includes.md)
-    - [Recursive](first/recursive.md)
 - [Second Chapter](second.md)
 
 ---

tests/dummy_book/src/first/recursive.md

@@ -1,2 +0,0 @@
-Around the world, around the world
-{{#include recursive.md}}

tests/dummy_book/src2/README.md

@@ -1 +0,0 @@
-# Root README

tests/dummy_book/src2/SUMMARY.md

@@ -1,7 +0,0 @@
-# This dummy book is for testing the conversion of README.md to index.html by IndexPreprocessor
-
-[Root README](README.md)
-
-- [1st README](first/README.md)
-- [2nd README](second/README.md)
-    - [2nd index](second/index.md)

tests/dummy_book/src2/first/README.md

@@ -1 +0,0 @@
-# First README

tests/dummy_book/src2/second/README.md

@@ -1 +0,0 @@
-# Second README

tests/dummy_book/src2/second/index.md

@@ -1 +0,0 @@
-# Second index