I still experience the issue #607 with release 3.18.1

[MrSeccubus]

Here's a tarbar of the site
site.zip

[MrSeccubus]

This is the original issues where internal hashref's are not recognized.

[gjtorikian]

Ack, sorry about that. When #612 is merged, 3.18.2 should fix it.

[gjtorikian]

It took me a very long time to figure out but at the top of your page is the following code:

    <base href="/">

So the link to #content results in an error saying that content cannot be found, even though id="content" exists.

However, html-proofer is working as expected. According to the documentation for <base>, the value here is prepended to every link, even hashes. Thus the final link that html-proofer sees is /#content, which doesn't exist.

You will need to remove the base tag, or rewrite it in such a way so that it correctly points to the same file it's in.