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Description
Example: https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#S-introduction
Anchor links to this document are commonplace elsewhere on the Internet, and are used extensively within the document itself. However it appears that somewhere in the github rendering pipeline an additional prefix is being inserted which breaks things.
An example link to the introduction section from within the markdown source:
* [In: Introduction](#S-introduction)The introduction section anchor target in the markdown source:
# <a name="S-introduction"></a>In: IntroductionThe rendered link:
<a href="#S-introduction">In: Introduction</a>The rendered target (with some pretty-printing):
<h1 dir="auto">
<a id="user-content-in-introduction" class="anchor" aria-hidden="true" href="#in-introduction"><svg ... /></a>
<a name="user-content-S-introduction"></a>In: Introduction
</h1>There are two problems with this:
- The auto-generated section anchor specifies an id of
user-content-in-introduction, but then an href of#in-introduction. Prefix or not doesn't especially matter (unless someone has already externally copied such a link) but these do need to be the same. - The
<a name/>anchor explicitly specified in the markdown source has also erroneously had auser-content-prefix added to it, which is absolutely a bug.
So the quick fix might be to find and boot whatever is adding those prefixes, though that may not be the best fix depending on the history.