bug#46859: 28.0.50; [PATCH]: Add option to truncate long lines in xref.el

[Theodor Thornhill]

Hi again,

>> I tried another approach which yielded some nice results.
>
> Thank you.
>
> Could you also try this benchmark with an input string that has no more 
> than, say, 3 matches in the big one-line file? Or maybe just 1.
>
> I'd like to compare the relative performance in such scenario, too.
>

Curiously, it doesn't seem to affect things much, neither for your patch
or mine. 

>> However, only my patch actually renders the long file as a match in the
> output buffer. All the others seem to drop it altogether. IMO that is
> one point in favour of my approaches.
>
> Indeed.
>


>> In addition, we could add another
>> defcustom for the xref--collect-matches-1 function,
>
> That can be done already by the user customizing 
> xref-search-program-alist, I think.

Oh? How so?

--
Theo