Merge pull request #1269 from ehuss/update-changelog

Update changelog.

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## mdBook 0.4.1
+[d4df7e7...649f355](https://github.com/rust-lang/mdBook/compare/d4df7e7...649f355)
+
+### Changed
+- Removed several outdated dev-dependencies.
+  [#1267](https://github.com/rust-lang/mdBook/pull/1267)
+
+### Fixed
+- Fixed sidebar scrolling if the book includes part titles.
+  [#1265](https://github.com/rust-lang/mdBook/pull/1265)
+- Don't include the default favicon if only one of the PNG or SVG is overridden.
+  [#1266](https://github.com/rust-lang/mdBook/pull/1266)
+
 ## mdBook 0.4.0
 [99ecd4f...d4df7e7](https://github.com/rust-lang/mdBook/compare/99ecd4f...d4df7e7)
 
@@ -28,6 +41,9 @@
   the old behavior of ignoring missing renderers, set the `optional` setting
   for that renderer.
   [#1122](https://github.com/rust-lang/mdBook/pull/1122)
+- If you have a custom favicon, you may need to look into adding an SVG
+  version, otherwise the default SVG icon will be displayed.
+  [#1230](https://github.com/rust-lang/mdBook/pull/1230)
 
 ### Added
 - Added a new `[rust]` configuration section to `book.toml`, which allows

Cargo.lock

@@ -15,7 +15,7 @@ version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89eac85170f4b3fb3dc5e442c1cfb036cb8eecf9dbbd431a161ffad15d90ea3b"
 dependencies = [
- "html5ever 0.25.1",
+ "html5ever",
  "lazy_static",
  "maplit",
  "markup5ever_rcdom",
@@ -50,12 +50,6 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
-[[package]]
-name = "autocfg"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
-
 [[package]]
 name = "autocfg"
 version = "1.0.0"
@@ -166,23 +160,14 @@ dependencies = [
  "vec_map",
 ]
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "ctor"
 version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47c5e5ac752e18207b12e16b10631ae5f7f68f8805f335f9b817ead83d9ffce1"
 dependencies = [
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -277,12 +262,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -364,9 +343,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a5081aa3de1f7542a794a397cde100ed903b0630152d0973479018fd85423a7"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "syn 1.0.17",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -520,20 +499,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "html5ever"
-version = "0.23.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ce65ac8028cf5a287a7dbf6c4e0a6cf2dcf022ed5b167a81bae66ebf599a8b7"
-dependencies = [
- "log",
- "mac",
- "markup5ever 0.8.1",
- "proc-macro2 0.4.30",
- "quote 0.6.13",
- "syn 0.15.44",
-]
-
 [[package]]
 name = "html5ever"
 version = "0.25.1"
@@ -542,10 +507,10 @@ checksum = "aafcf38a1a36118242d29b92e1b08ef84e67e4a5ed06e0a80be20e6a32bfed6b"
 dependencies = [
  "log",
  "mac",
- "markup5ever 0.10.0",
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "syn 1.0.17",
+ "markup5ever",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -625,7 +590,7 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "076f042c5b7b98f31d205f1249267e12a6518c1481e9dae9764af19b707d2292"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
 ]
 
 [[package]]
@@ -721,23 +686,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
 
-[[package]]
-name = "markup5ever"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1af46a727284117e09780d05038b1ce6fc9c76cc6df183c3dae5a8955a25e21"
-dependencies = [
- "log",
- "phf 0.7.24",
- "phf_codegen 0.7.24",
- "serde",
- "serde_derive",
- "serde_json",
- "string_cache 0.7.5",
- "string_cache_codegen 0.4.4",
- "tendril",
-]
-
 [[package]]
 name = "markup5ever"
 version = "0.10.0"
@@ -745,13 +693,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aae38d669396ca9b707bfc3db254bc382ddb94f57cc5c235f34623a669a01dab"
 dependencies = [
  "log",
- "phf 0.8.0",
- "phf_codegen 0.8.0",
+ "phf",
+ "phf_codegen",
  "serde",
  "serde_derive",
  "serde_json",
- "string_cache 0.8.0",
- "string_cache_codegen 0.5.1",
+ "string_cache",
+ "string_cache_codegen",
  "tendril",
 ]
 
@@ -761,8 +709,8 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f015da43bcd8d4f144559a3423f4591d69b8ce0652c905374da7205df336ae2b"
 dependencies = [
- "html5ever 0.25.1",
- "markup5ever 0.10.0",
+ "html5ever",
+ "markup5ever",
  "tendril",
  "xml5ever",
 ]
@@ -775,7 +723,7 @@ checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
 [[package]]
 name = "mdbook"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "ammonia",
  "anyhow",
@@ -912,7 +860,7 @@ version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-traits",
 ]
 
@@ -922,7 +870,7 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
 ]
 
 [[package]]
@@ -982,9 +930,9 @@ checksum = "99b8db626e31e5b81787b9783425769681b347011cc59471e33ea46d2ea0cf55"
 dependencies = [
  "pest",
  "pest_meta",
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "syn 1.0.17",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -998,32 +946,13 @@ dependencies = [
  "sha-1",
 ]
 
-[[package]]
-name = "phf"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3da44b85f8e8dfaec21adae67f95d93244b2ecf6ad2a692320598dcc8e6dd18"
-dependencies = [
- "phf_shared 0.7.24",
-]
-
 [[package]]
 name = "phf"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
 dependencies = [
- "phf_shared 0.8.0",
-]
-
-[[package]]
-name = "phf_codegen"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b03e85129e324ad4166b06b2c7491ae27fe3ec353af72e72cd1654c7225d517e"
-dependencies = [
- "phf_generator 0.7.24",
- "phf_shared 0.7.24",
+ "phf_shared",
 ]
 
 [[package]]
@@ -1032,18 +961,8 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cbffee61585b0411840d3ece935cce9cb6321f01c45477d30066498cd5e1a815"
 dependencies = [
- "phf_generator 0.8.0",
- "phf_shared 0.8.0",
-]
-
-[[package]]
-name = "phf_generator"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09364cc93c159b8b06b1f4dd8a4398984503483891b0c26b867cf431fb132662"
-dependencies = [
- "phf_shared 0.7.24",
- "rand 0.6.5",
+ "phf_generator",
+ "phf_shared",
 ]
 
 [[package]]
@@ -1052,17 +971,8 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
 dependencies = [
- "phf_shared 0.8.0",
- "rand 0.7.3",
-]
-
-[[package]]
-name = "phf_shared"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "234f71a15de2288bcb7e3b6515828d22af7ec8598ee6d24c3b526fa0a80b67a0"
-dependencies = [
- "siphasher 0.2.3",
+ "phf_shared",
+ "rand",
 ]
 
 [[package]]
@@ -1071,7 +981,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
 dependencies = [
- "siphasher 0.3.2",
+ "siphasher",
 ]
 
 [[package]]
@@ -1089,9 +999,9 @@ version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8988430ce790d8682672117bc06dda364c0be32d3abd738234f19f3240bad99a"
 dependencies = [
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "syn 1.0.17",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -1142,22 +1052,13 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e946095f9d3ed29ec38de908c22f95d9ac008e424c7bcae54c75a79c527c694"
 
-[[package]]
-name = "proc-macro2"
-version = "0.4.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
-dependencies = [
- "unicode-xid 0.1.0",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df246d292ff63439fea9bc8c0a270bed0e390d5ebd4db4ba15aba81111b5abe3"
 dependencies = [
- "unicode-xid 0.2.0",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -1178,41 +1079,13 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
-[[package]]
-name = "quote"
-version = "0.6.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
-dependencies = [
- "proc-macro2 0.4.30",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2bdc6c187c65bca4260c9011c9e3132efe4909da44726bad24cf7572ae338d7f"
 dependencies = [
- "proc-macro2 1.0.10",
-]
-
-[[package]]
-name = "rand"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
-dependencies = [
- "autocfg 0.1.7",
- "libc",
- "rand_chacha 0.1.1",
- "rand_core 0.4.2",
- "rand_hc 0.1.0",
- "rand_isaac",
- "rand_jitter",
- "rand_os",
- "rand_pcg 0.1.2",
- "rand_xorshift",
- "winapi 0.3.8",
+ "proc-macro2",
 ]
 
 [[package]]
@@ -1223,20 +1096,10 @@ checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
  "getrandom",
  "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc 0.2.0",
- "rand_pcg 0.2.1",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.3.1",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
+ "rand_pcg",
 ]
 
 [[package]]
@@ -1246,24 +1109,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_core",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
-dependencies = [
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.5.1"
@@ -1273,66 +1121,13 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 dependencies = [
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-dependencies = [
- "libc",
- "rand_core 0.4.2",
- "winapi 0.3.8",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-dependencies = [
- "cloudabi",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.4.2",
- "rdrand",
- "winapi 0.3.8",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.4.2",
+ "rand_core",
 ]
 
 [[package]]
@@ -1341,25 +1136,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
 dependencies = [
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rdrand"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-dependencies = [
- "rand_core 0.3.1",
+ "rand_core",
 ]
 
 [[package]]
@@ -1418,12 +1195,13 @@ checksum = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
 
 [[package]]
 name = "select"
-version = "0.4.3"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac645958c62108d11f90f8d34e4dc2799c838fc995ed4c2075867a2a8d5be76b"
+checksum = "8ee061f90afcc8678bef7a78d0d121683f0ba753f740ff7005f833ec445876b7"
 dependencies = [
  "bit-set",
- "html5ever 0.23.0",
+ "html5ever",
+ "markup5ever_rcdom",
 ]
 
 [[package]]
@@ -1438,9 +1216,9 @@ version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e549e3abf4fb8621bd1609f11dfc9f5e50320802273b12f3811a67e6716ea6c"
 dependencies = [
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "syn 1.0.17",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -1484,12 +1262,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
 
-[[package]]
-name = "siphasher"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
-
 [[package]]
 name = "siphasher"
 version = "0.3.2"
@@ -1508,21 +1280,6 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05720e22615919e4734f6a99ceae50d00226c3c5aca406e102ebc33298214e0a"
 
-[[package]]
-name = "string_cache"
-version = "0.7.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89c058a82f9fd69b1becf8c274f412281038877c553182f1d02eb027045a2d67"
-dependencies = [
- "lazy_static",
- "new_debug_unreachable",
- "phf_shared 0.7.24",
- "precomputed-hash",
- "serde",
- "string_cache_codegen 0.4.4",
- "string_cache_shared",
-]
-
 [[package]]
 name = "string_cache"
 version = "0.8.0"
@@ -1531,42 +1288,23 @@ checksum = "2940c75beb4e3bf3a494cef919a747a2cb81e52571e212bfbd185074add7208a"
 dependencies = [
  "lazy_static",
  "new_debug_unreachable",
- "phf_shared 0.8.0",
+ "phf_shared",
  "precomputed-hash",
  "serde",
 ]
 
-[[package]]
-name = "string_cache_codegen"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0f45ed1b65bf9a4bf2f7b7dc59212d1926e9eaf00fa998988e420fd124467c6"
-dependencies = [
- "phf_generator 0.7.24",
- "phf_shared 0.7.24",
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "string_cache_shared",
-]
-
 [[package]]
 name = "string_cache_codegen"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f24c8e5e19d22a726626f1a5e16fe15b132dcf21d10177fa5a45ce7962996b97"
 dependencies = [
- "phf_generator 0.8.0",
- "phf_shared 0.8.0",
- "proc-macro2 1.0.10",
- "quote 1.0.3",
+ "phf_generator",
+ "phf_shared",
+ "proc-macro2",
+ "quote",
 ]
 
-[[package]]
-name = "string_cache_shared"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1884d1bc09741d466d9b14e6d37ac89d6909cbcac41dd9ae982d4d063bbedfc"
-
 [[package]]
 name = "strsim"
 version = "0.8.0"
@@ -1586,20 +1324,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0054a7df764039a6cd8592b9de84be4bec368ff081d203a7d5371cbfa8e65c81"
 dependencies = [
  "heck",
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "syn 1.0.17",
-]
-
-[[package]]
-name = "syn"
-version = "0.15.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
-dependencies = [
- "proc-macro2 0.4.30",
- "quote 0.6.13",
- "unicode-xid 0.1.0",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -1608,9 +1335,9 @@ version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0df0eb663f387145cab623dea85b09c2c5b4b0aef44e945d928e682fce71bb03"
 dependencies = [
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "unicode-xid 0.2.0",
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -1621,7 +1348,7 @@ checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
 dependencies = [
  "cfg-if",
  "libc",
- "rand 0.7.3",
+ "rand",
  "redox_syscall",
  "remove_dir_all",
  "winapi 0.3.8",
@@ -1699,9 +1426,9 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
 dependencies = [
- "proc-macro2 1.0.10",
- "quote 1.0.3",
- "syn 1.0.17",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -1765,7 +1492,7 @@ dependencies = [
  "httparse",
  "input_buffer",
  "log",
- "rand 0.7.3",
+ "rand",
  "sha-1",
  "url",
  "utf-8",
@@ -1822,12 +1549,6 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
 
-[[package]]
-name = "unicode-xid"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.0"
@@ -1982,6 +1703,6 @@ checksum = "0b1b52e6e8614d4a58b8e70cf51ec0cc21b256ad8206708bcff8139b5bbd6a59"
 dependencies = [
  "log",
  "mac",
- "markup5ever 0.10.0",
+ "markup5ever",
  "time",
 ]

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mdbook"
-version = "0.4.0"
+version = "0.4.1"
 authors = [
     "Mathieu David <mathieudavid@mathieudavid.org>",
     "Michael-F-Bryan <michaelfbryan@gmail.com>",
@@ -48,7 +48,7 @@ elasticlunr-rs = { version = "2.3", optional = true, default-features = false }
 ammonia = { version = "3", optional = true }
 
 [dev-dependencies]
-select = "0.4"
+select = "0.5"
 pretty_assertions = "0.6"
 walkdir = "2.0"
 

src/renderer/html_handlebars/hbs_renderer.rs

@@ -192,8 +192,12 @@ impl HtmlHandlebars {
         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, "favicon.png", &theme.favicon_png)?;
-        write_file(destination, "favicon.svg", &theme.favicon_svg)?;
+        if let Some(contents) = &theme.favicon_png {
+            write_file(destination, "favicon.png", &contents)?;
+        }
+        if let Some(contents) = &theme.favicon_svg {
+            write_file(destination, "favicon.svg", &contents)?;
+        }
         write_file(destination, "highlight.css", &theme.highlight_css)?;
         write_file(destination, "tomorrow-night.css", &theme.tomorrow_night_css)?;
         write_file(destination, "ayu-highlight.css", &theme.ayu_highlight_css)?;

src/renderer/html_handlebars/helpers/toc.rs

@@ -101,7 +101,7 @@ impl HelperDef for RenderToc {
 
             // Part title
             if let Some(title) = item.get("part") {
-                out.write("<li class=\"part-title active\">")?;
+                out.write("<li class=\"part-title\">")?;
                 out.write(title)?;
                 out.write("</li>")?;
                 continue;

src/theme/mod.rs

@@ -54,8 +54,8 @@ pub struct Theme {
     pub general_css: Vec<u8>,
     pub print_css: Vec<u8>,
     pub variables_css: Vec<u8>,
-    pub favicon_png: Vec<u8>,
-    pub favicon_svg: Vec<u8>,
+    pub favicon_png: Option<Vec<u8>>,
+    pub favicon_svg: Option<Vec<u8>>,
     pub js: Vec<u8>,
     pub highlight_css: Vec<u8>,
     pub tomorrow_night_css: Vec<u8>,
@@ -91,8 +91,6 @@ impl Theme {
                     theme_dir.join("css/variables.css"),
                     &mut theme.variables_css,
                 ),
-                (theme_dir.join("favicon.png"), &mut theme.favicon_png),
-                (theme_dir.join("favicon.svg"), &mut theme.favicon_svg),
                 (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),
@@ -106,13 +104,36 @@ impl Theme {
                 ),
             ];
 
-            for (filename, dest) in files {
+            let load_with_warn = |filename: &Path, dest| {
                 if !filename.exists() {
-                    continue;
+                    // Don't warn if the file doesn't exist.
+                    return false;
                 }
-
-                if let Err(e) = load_file_contents(&filename, dest) {
+                if let Err(e) = load_file_contents(filename, dest) {
                     warn!("Couldn't load custom file, {}: {}", filename.display(), e);
+                    false
+                } else {
+                    true
+                }
+            };
+
+            for (filename, dest) in files {
+                load_with_warn(&filename, dest);
+            }
+
+            // If the user overrides one favicon, but not the other, do not
+            // copy the default for the other.
+            let favicon_png = &mut theme.favicon_png.as_mut().unwrap();
+            let png = load_with_warn(&theme_dir.join("favicon.png"), favicon_png);
+            let favicon_svg = &mut theme.favicon_svg.as_mut().unwrap();
+            let svg = load_with_warn(&theme_dir.join("favicon.svg"), favicon_svg);
+            match (png, svg) {
+                (true, true) | (false, false) => {}
+                (true, false) => {
+                    theme.favicon_svg = None;
+                }
+                (false, true) => {
+                    theme.favicon_png = None;
                 }
             }
         }
@@ -132,8 +153,8 @@ impl Default for Theme {
             general_css: GENERAL_CSS.to_owned(),
             print_css: PRINT_CSS.to_owned(),
             variables_css: VARIABLES_CSS.to_owned(),
-            favicon_png: FAVICON_PNG.to_owned(),
-            favicon_svg: FAVICON_SVG.to_owned(),
+            favicon_png: Some(FAVICON_PNG.to_owned()),
+            favicon_svg: Some(FAVICON_SVG.to_owned()),
             js: JS.to_owned(),
             highlight_css: HIGHLIGHT_CSS.to_owned(),
             tomorrow_night_css: TOMORROW_NIGHT_CSS.to_owned(),
@@ -219,8 +240,8 @@ mod tests {
             general_css: Vec::new(),
             print_css: Vec::new(),
             variables_css: Vec::new(),
-            favicon_png: Vec::new(),
-            favicon_svg: Vec::new(),
+            favicon_png: Some(Vec::new()),
+            favicon_svg: Some(Vec::new()),
             js: Vec::new(),
             highlight_css: Vec::new(),
             tomorrow_night_css: Vec::new(),
@@ -231,4 +252,19 @@ mod tests {
 
         assert_eq!(got, empty);
     }
+
+    #[test]
+    fn favicon_override() {
+        let temp = TempFileBuilder::new().prefix("mdbook-").tempdir().unwrap();
+        fs::write(temp.path().join("favicon.png"), "1234").unwrap();
+        let got = Theme::new(temp.path());
+        assert_eq!(got.favicon_png.as_ref().unwrap(), b"1234");
+        assert_eq!(got.favicon_svg, None);
+
+        let temp = TempFileBuilder::new().prefix("mdbook-").tempdir().unwrap();
+        fs::write(temp.path().join("favicon.svg"), "4567").unwrap();
+        let got = Theme::new(temp.path());
+        assert_eq!(got.favicon_png, None);
+        assert_eq!(got.favicon_svg.as_ref().unwrap(), b"4567");
+    }
 }