bug#43715: 28.0.50; Duplicate results in project-find-regexp

[Lars Ingebrigtsen]

Dmitry Gutov <dgutov@yandex.ru> writes:

> The behavior is less than ideal, but the fix will have to satisfy
> multiple constraints: the xref item creation (taking care of the
> format being backward-compatible), the rendering of them in the
> buffer, and the 'xref-query-replace-in-results' command, the
> implementation of which relies on the one-line-per-match property of
> an xref buffer.

Right.  I know next to nothing about xref internals...  but...  couldn't
this function just squash the multiple-matches-on-a-single-line into one
line?  Preserving the text props from the multiple lines and whatnot?
So a post-processing step?

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   bloggy blog: http://lars.ingebrigtsen.no