[debbugs-tracker] bug#22038: closed (25.1.50; Character folding issues with isearch)

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Your message dated Sun, 29 Nov 2015 00:06:45 +0000
with message-id <address@hidden>
and subject line Re: bug#22038: 25.1.50; Character folding issues with isearch
has caused the debbugs.gnu.org bug report #22038,
regarding 25.1.50; Character folding issues with isearch
to be marked as done.

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22038: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22038
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> --- Begin Message ---
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> Subject: 
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> 25.1.50; Character folding issues with isearch
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> Date: 
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> Sat, 28 Nov 2015 17:07:22 +0100
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)
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> Issue 1: Please support having multiple characters match a single
> string in searches, so that e.g. "ss" can match the German letter "ß".
>
> Issue 2: The current implementation of character folding based on
> character decomposition often yields surprising results when searching:
> e.g. the search string "f" matches not only "ff" but also "㎙" and "ffl",
> but the search strings "m" and "fm" fail to match the former and the
> search strings "l" and "fl" fail to match the latter.  I think all
> recognizable characters in a composite character should be matchable by
> searching.
>
> Issue 3: Character folding does not respect case-folding in searches,
> e.g. "f" fails to match "ℱ" and "℻" (with case-folding enabled), whereas
> "F" does match them, but fails to match "ff".
>
>
> In GNU Emacs 25.1.50.1 (x86_64-suse-linux-gnu, GTK+ Version 3.14.15)
>  of 2015-11-20
> Repository revision: 5c81fd58e32d965c2551663622e084f2800e1e90
> Windowing system distributor 'The X.Org Foundation', version 11.0.11601000
> System Description:     openSUSE 13.2 (Harlequin) (x86_64)
>
> Configured using:
>  'configure 'CFLAGS=-Og -g3''
>
> Configured features:
> XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GCONF GSETTINGS NOTIFY
> GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS
> GTK3 X11
>
> Important settings:
>   value of $LANG: en_US.UTF-8
>   value of $XMODIFIERS: @im=ibus
>   locale-coding-system: utf-8-unix
>
>
>
> --- End Message ---

--- Begin Message --- Subject: Re: bug#22038: 25.1.50; Character folding issues with isearch Date: Sun, 29 Nov 2015 00:06:45 +0000

All these items are now implemented. Thanks for filing the issue, Stephen.

We can discuss whether we want to add any ad hoc rules. But I agree with Eli that I want to wait and see. This is a brand new feature, and I'd prefer that it's first iteration be just a solid foundation.

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