bug#23484: 25.1.50; undo doesn't work properly in xref-query-replace-in-results

[Juri Linkov]

>> Then maybe there is a better way to achieve the same.
>
> Maybe there is, but I don't know it.
>
>> You don't need isearch-filter-predicate when doing undo
>> because a previous replacement already checked it, no?
>
> Not sure. It's possible the problem is caused by FROM being `.*'. The
> post-undo code initiates new searches at the positions of the previous
> matches using `looking-at'.

Why not using an original search string instead of ‘.*’ thus avoiding
tricks with isearch-filter-predicate/replace-re-search-function?

perform-replace will have no problem finding the same matches
as found by xref.