Convert Listing 10-17 to <Listing>

src/ch10-03-lifetime-syntax.md

@@ -66,12 +66,13 @@ The Rust compiler has a *borrow checker* that compares scopes to determine
 whether all borrows are valid. Listing 10-17 shows the same code as Listing
 10-16 but with annotations showing the lifetimes of the variables.
 
+<Listing number="10-17" caption="Annotations of the lifetimes of `r` and `x`, named `'a` and `'b`, respectively">
+
 ```rust,ignore,does_not_compile
 {{#rustdoc_include ../listings/ch10-generic-types-traits-and-lifetimes/listing-10-17/src/main.rs}}
 ```
 
-<span class="caption">Listing 10-17: Annotations of the lifetimes of `r` and
-`x`, named `'a` and `'b`, respectively</span>
+</Listing>
 
 Here, we’ve annotated the lifetime of `r` with `'a` and the lifetime of `x`
 with `'b`. As you can see, the inner `'b` block is much smaller than the outer