Chapter 19-6 in online version is missing the second half

[tcmarsh]

When viewing the online version of the book at https://doc.rust-lang.org/book/, chapter 19-6 (https://doc.rust-lang.org/book/ch19-06-macros.html) ends with the text

To start defining the procedural macro, place the code in Listing 19-39 into your src/lib.rs file for the hello_macro_derive crate. Note that this code won’t compile until we add a definition for the impl_hello_macro function.

and what I assume to be the title legend for the code listing (which isn't there).

In the repository, the rest of the chapter is showing, so I believe this to be an issue with how the book generation happened.

[carols10cents]

LOL when I view source:

<p>To start defining the procedural macro, place the code in Listing 19-39 into
your <em>src/lib.rs</em> file for the <code>hello_macro_derive</code> crate. Note that this code
won’t compile until we add a definition for the <code>impl_hello_macro</code> function.</p>
<p><span class="filename">Filename: hello_macro_derive/src/lib.rs</span></p>
<!--
This usage of `extern crate` is required for the moment with the 1.31 code
that's currently rustc 1.31.0-beta.4 (04da282bb 2018-11-01), see:
<ul>
<li>https://github.com/rust-lang/rust/issues/54418</li>
<li>https://github.com/rust-lang/rust/pull/54658</li>
<li>https://github.com/rust-lang/rust/issues/55599
--&gt;</li>
</ul>
<pre><code class="language-rust ignore">extern crate proc_macro;

The comment never ends and hides the rest of the chapter, oops!! 🤣🤣😭 Working on fixing it now!