bug#49731: 28.0.50; Filter xref results by filename

[Juri Linkov]

>> I suppose xref-find-apropos doesn't offer
>> the identifier at point as its default because 'apropos' doesn't offer
>> the default?  But this is not a big problem.
>
> Maybe because of that, or because one usually searches for a word or
> several (right?), rather than some identifier name.
>
> Providing a default wouldn't break anything, though. Perhaps some people
> will find it easier to extract the key words they wanted from the symbol
> name at point.

Indeed, such as removing the suffix and leaving a common prefix
to search all functions under the same package namespace, etc.

> Try this patch:

Thanks, this makes it more useful.