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

[Dmitry Gutov]

On 05/08/2016 11:19 PM, Juri Linkov wrote:

> I can't reproduce this when using normal query-replace.

Correct.

> Is this caused by binding local variables in xref--query-replace-1?

No, it's caused by perform-replace not using the said variables in a 
consistent fashion.

> 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'.