[Bug libstdc++/96995] The link to std API documentation is unversioned

[giecrilj at stegny dot 2a.pl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96995

--- Comment #2 from Christopher Yeleighton <giecrilj at stegny dot 2a.pl> ---
<URL:
https://gcc.gnu.org/onlinedocs/gcc-10.2.0/libstdc++/manual/manual/../../api/namespaces.html
> would do the trick.