Re: master b02c9bc: Improve documentation of new Xref options

[Dmitry Gutov]

On 07.09.2021 19:23, Eli Zaretskii wrote:
> > > No, it's about the features listed after the shown hunk.  I just made
> > > its language less extreme, because xref-find-apropos does exist.
> > tags-apropos-additional-actions, then? That seems easier to support.
> Yes, pretty much.

Here's a quick implementation.

But the feature doesn't seem to be particularly popular/polished: the 
example value for Elisp, for instance, sets up search across all symbols 
(obarray), but subsequent navigation only works for commands, and only 
ones documented in the manual.

xref-emacs-additional-apropos.diff
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