> In the implementation below it would be possible to reuse
> `isearch-invalid-regexp' to hold the error message, but this is not
> a clean solution. Adding a new special variable `isearch-error' looks
The implementation looks clean. I just suggest that we should simply
replace isearch-invalid-regexp with isearch-error (there can only be one
error at any given time, either a search failure or an invalid regexp, or
...).
Stefan
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