bug#49534: 26.3; Isearch should support using filter predicates with empty search hits

[Lars Ingebrigtsen]

Juri Linkov <juri@linkov.net> writes:

> What would be better: to remember its result in a let-bound variable,
> or to use save-match-data?  Probably, save-match-data:

save-match-data would be pretty natural here, I think.

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