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

[Juri Linkov]

>> 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".

Yes, I meant to implement this by using `Info-virtual-index'.