GNU bug report logs - #10705
24.0.93; Collect strings matching regexp from Isearch

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Juri Linkov <juri <at> jurta.org>
Cc: 10705 <at> debbugs.gnu.org
Subject: bug#10705: 24.0.93; Collect strings matching regexp from Isearch
Date: Sat, 04 Feb 2012 09:26:16 +0200

> From: Juri Linkov <juri <at> jurta.org>
> Cc: 10705 <at> debbugs.gnu.org
> Date: Sat, 04 Feb 2012 02:14:15 +0200
> 
> >>  Interactively, REGEXP is the current search regexp or a quoted search
> >>  string.  NLINES has the same meaning as in `occur'."
> >
> > is not clear enough: what is a "quoted search string"?  I'd suggest to
> > describe explicitly the 3 cases handled by the code:
> >
> >> +	  (regexp (cond
> >> +		   (isearch-word (word-search-regexp isearch-string))
> >> +		   (isearch-regexp isearch-string)
> >> +		   (t (regexp-quote isearch-string)))))
> >
> > and refer to the relevant string in each case.
> 
> Is this better?
> 
> === modified file 'lisp/isearch.el'
> --- lisp/isearch.el	2012-02-03 23:50:41 +0000
> +++ lisp/isearch.el	2012-02-04 00:10:01 +0000
> @@ -1464,8 +1464,11 @@ (defun isearch-query-replace-regexp (&op
>  
>  (defun isearch-occur (regexp &optional nlines)
>    "Run `occur' with regexp to search from the current search string.
> -Interactively, REGEXP is the current search regexp or a quoted search
> -string.  NLINES has the same meaning as in `occur'."
> +Interactively, in word search REGEXP is computed from words
> +without regard to punctuation, in regexp search REGEXP is
> +the current search regexp, in normal search REGEXP is created
> +from the current search string quoting all special regexp characters.
> +NLINES has the same meaning as in `occur'."

When you say "in word search" etc., you actually mean "when invoked
after a word search command", right?  If so, I suggest the following
wording:

   Run `occur' using the last search string as the regexp.
 Interactively, REGEXP is constructed using the search string from the
 last search command.

 If the last search command was a word search, REGEXP is computed from
 the search words disregarding punctuation.  If the last search
 command was a regular expression search, REGEXP is the regular
 expression used in that search.  If the last search command searched
 for a string, REGEXP is constructed by quoting all the special
 characters in that string.

> BTW, shouldn't this new feature (collecting strings with `C-u M-x occur')
> be announced in NEWS?

I think it should be.

Thanks.

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