Re: Is it valid to call isearch-filter-predicate outside isearch?

[Michael Heerdegen]

Ihor Radchenko <yantar92@posteo.net> writes:

> The documentation for `isearch-filter-visible' sounds like no side
> effects are expected:
>
>     Predicate to filter hits of Isearch and replace commands.
>
>     Isearch hits that don't satisfy the predicate will be skipped.
>     The value should be a function of two arguments; it will be
>     called with the positions of the start and the end of the text
>     matched by Isearch and replace commands.  If this function
>     returns nil, Isearch and replace commands will continue searching
>     without stopping at resp. replacing this match.
>     This function is expected to be careful not to clobber the match data.
>
> Either the docstring is not accurate or the implementation of
> `isearch-range-invisible' is not safe.
>
> Am I missing something?

No.  It has does have side effects that are not documented.

Michael.