From: Tassilo Horn <tsdh@gnu.org>
To: Richard Stallman <rms@gnu.org>
Cc: Andreas Schwab <schwab@suse.de>, 21277@debbugs.gnu.org
Subject: bug#21277: 25.0.50; char-fold search is a screw, and I can't see how to disable
Date: Tue, 18 Aug 2015 14:30:35 +0200 [thread overview]
Message-ID: <87pp2k22z8.fsf@gnu.org> (raw)
In-Reply-To: <E1ZRXmc-0002cL-Hp@fencepost.gnu.org> (Richard Stallman's message of "Mon, 17 Aug 2015 23:41:54 -0400")
Richard Stallman <rms@gnu.org> writes:
> > That has nothing to do with char-fold, this feature already exists since
> > 24.3 and is called lax-whitespace.
>
> How come it did not occur in the Emacs I was running before last week?
> I built that from master a few months ago.
>
> Anyway, it is a total screw. Who likes this as a default?
I like that behavior because I frequently search for "some text" in
prose, and then it allows me to find also the matches where the two
words are wrapped around.
But I think the `isearch-lax-whitespace' feature can still be improved:
1. The `isearch-lax-whitespace' docstring speaks of "ordinary
incremental search" which I've read as "non-regex isearch". But it
seems that regex isearch is also affected. I'd just strip the
"ordinary".
2. More importantly, isearching for C-j SPC matches any sequence of two
whitespace characters, e.g., it matches between here and here, too.
^^ ^^
I had expected that only space characters in the search string are
replaced by `search-whitespace-regexp' but it seems that any whitespace
character is replaced by it. I think this is not good.
And IMHO, it would be a good idea to disable lax-whitespace for the
current search as soon as the search string contains a non-space
whitespace character. I think if the user explicitly types C-j, C-i,
etc. she's probably not interested in treating spaces as any-whitespace
but wants to distinguish newlines from tabs and spaces.
Bye,
Tassilo
next prev parent reply other threads:[~2015-08-18 12:30 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-17 5:04 bug#21277: 25.0.50; char-fold search is a screw, and I can't see how to disable Richard Stallman
2015-08-17 7:23 ` Andreas Schwab
2015-08-18 3:41 ` Richard Stallman
2015-08-18 12:30 ` Tassilo Horn [this message]
2015-08-18 14:24 ` Drew Adams
2015-08-18 21:58 ` Artur Malabarba
2015-08-18 21:58 ` Artur Malabarba
2015-08-19 18:14 ` Richard Stallman
2015-08-19 22:17 ` Juri Linkov
2015-08-18 3:41 ` Richard Stallman
2015-08-19 22:08 ` Juri Linkov
2015-08-20 16:56 ` Richard Stallman
2015-08-18 3:42 ` When was a change installed? Richard Stallman
2015-08-18 14:10 ` Alan Mackenzie
2015-08-19 6:38 ` Steinar Bang
2015-08-19 18:16 ` Richard Stallman
2015-08-18 14:18 ` Andreas Schwab
2015-08-19 1:19 ` Richard Stallman
2015-08-19 4:28 ` David Kastrup
2015-08-19 18:18 ` Richard Stallman
2015-08-20 2:37 ` Stefan Monnier
2015-08-19 1:19 ` Richard Stallman
2015-08-19 7:52 ` Andreas Schwab
2015-08-19 18:18 ` Richard Stallman
2015-08-19 9:22 ` Bastien
2015-08-19 9:25 ` Andreas Schwab
2015-08-19 9:57 ` Stephen Berman
2015-08-19 10:16 ` Damien Wyart
2015-08-18 14:28 ` Tassilo Horn
2015-08-19 1:24 ` Richard Stallman
2015-08-17 19:02 ` bug#21277: 25.0.50; char-fold search is a screw, and I can't see how to disable Mark Oteiza
2015-08-18 22:29 ` Artur Malabarba
2015-08-19 22:02 ` Juri Linkov
2015-08-20 9:36 ` Artur Malabarba
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