RE: master 2a7488d: Add support for displaying short documentation for function groups

[Drew Adams]

> I have pondered a year ago about doing something like this,
> but based on Info and/or HTML, i.e. to generate Info nodes with
> functions listed by groups in separate nodes (possibly using HTML format),
> so e.g. going to (info "(shortdoc) Buffer")
> could display an Info node with a menu of related functions,
> where nodes could be navigated using Info keys.
> Does this make sense?

Doesn't `Info-virtual-index' already do that?
E.g. `I buffer' gives you an index with just
the index entries that match "buffer".

Maybe you can state the difference between that
command and what you have in mind, to clarify.