GNU bug report logs - #21140
25.0.50; Isearch "char-fold" by default

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stefan Kangas <stefan <at> marxist.se>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#21140: closed (25.0.50; Isearch "char-fold" by default)
Date: Tue, 29 Oct 2019 04:40:02 +0000

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Your message dated Tue, 29 Oct 2019 05:39:10 +0100
with message-id <CADwFkm=sBB_EaeE44DQHGSFsE1BOUoSTdt7Ng9s_z6SKn+j6wg <at> mail.gmail.com>
and subject line Re: bug#21140: Status: 25.0.50; Isearch "char-fold" by default
has caused the debbugs.gnu.org bug report #21140,
regarding 25.0.50; Isearch "char-fold" by default
to be marked as done.

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From: Sebastien Vauban <sva-news <at> mygooglest.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; Isearch "char-fold" by default
Date: Mon, 27 Jul 2015 15:45:44 +0200

Using Isearch under Emacs 25.0 really puzzles me.

First, the default behavior seems changed, and I'm not really aware
(yet) of what exactly "char folding" is.  I did not found any definition
for this, even if I have some ideas.

Second, I don't think the new default is right.  I prefer to search for
text, not for regexps by default.  Otherwise, we could also invert `C-s'
and `C-M-s', right?

Finally, it *seems* buggy to me when using `C-w' to complete the search
pattern (or shouldn't we use that anymore?).

Try it with the following example:

--8<---------------cut here---------------start------------->8---
  ;; some function
  (turn-on-orgstruct++)

  ;; other function
  (anzu--turn-on)
--8<---------------cut here---------------end--------------->8---

As you can see on http://www.screencast.com/t/wx7r9UYK:

- Completing "turn" with `C-w' will go over the 2 last "+" signs as if
  they did not exist. In Emacs 24, each "+" char was added one by one.

- Completing "anzu" with `C-w' will simplify the 2 "-" signs as being
  just 1, making the search find no string at the end!

- Completing "zu" with `C-w' will add "zu" to the pattern, multiple
  times...

Isearch becomes quite complex to use IMHO.

PS- BTW, Anzu seems completely lost in Org files, when now run from
    Emacs 25.

Best regards,
  Seb

-- 
Sebastien Vauban

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From: Stefan Kangas <stefan <at> marxist.se>
To: Marcin Borkowski <mbork <at> mbork.pl>
Cc: 21140-done <at> debbugs.gnu.org
Subject: Re: bug#21140: Status: 25.0.50; Isearch "char-fold" by default
Date: Tue, 29 Oct 2019 05:39:10 +0100

Stefan Kangas <stefan <at> marxist.se> writes:

> > is it right that this bug report turned into a general discussion?  If
> > yes, how about closing it?
> >
> > Best,
>
> That was 3 years ago.  Having read the thread here, I don't see
> anything actionable besides a general discussion either.
>
> Does anyone object to closing it?

No objections within 4 weeks, so I'm closing this now.

Best regards,
Stefan Kangas

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