Feature request: self links for sections

[Raymond Toy]

A bit of a feature request for texinfo files converted to html.

For example, visit https://www.gnu.org/software/texinfo/manual/texinfo/texinfo.html#Writing-a-Texinfo-File.  You get to section "2 Writing a Texinfo File".  This is fine.  But it would be nice if I could click on the title (or something) to get a link to that section.

For example, visit https://webaudio.github.io/web-audio-api/#AudioContext.  You can click on the character at the very left to get a link to this section.  Really handy when you want to send a link to someone.

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Ray