Re: 23.0.60; M-x occur no longer uses previous regexp as default

[Juri Linkov]

>> The reason for removing the previous regexp from default was because
>> it makes more inconvenient to retrieve more available values from
>> the list of default values via M-n.  But maybe we could just display
>> the previous regexp in the prompt and accept it when the user types RET
>> with the empty string, but don't make it available via M-n, because it is
>> available via M-p for inserting into the minibuffer for editing.
>
> Then why not use
>
>    (let ((ret (read-string (format "Regexp (default %s): " foo))))
>      (if (equal ret "") foo ret))

It seems this is the best to do where foo is (car regexp-history).

-- 
Juri Linkov
http://www.jurta.org/emacs/