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Search for chars requiring "Alt Gr" keyboard modifier


From: Enrique Perez-Terron
Subject: Search for chars requiring "Alt Gr" keyboard modifier
Date: Fri, 28 Jan 2005 22:26:30 +0100

This bug report will be sent to the Free Software Foundation,
not to your local site managers!
Please write in English, because the Emacs maintainers do not have
translators to read other languages for them.

Your bug report will be posted to the address@hidden mailing
list,
and to the gnu.emacs.bug news group.

In GNU Emacs 21.3.1 (i386-redhat-linux-gnu, X toolkit, Xaw3d scroll
bars)
 of 2004-10-18 on tweety.build.redhat.com
configured using `configure  --build=i386-redhat-linux --host=i386-
redhat-linux --target=i386-redhat-linux-gnu --program-prefix= --
prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --
sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --
libdir=/usr/lib --libexecdir=/usr/libexec --localstatedir=/var --
sharedstatedir=/usr/com --mandir=/usr/share/man --
infodir=/usr/share/info --with-pop --with-sound'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

I want to use the incremental search command (bound to ^S) to search
for a string starting with the "@" character. On my Norwegian 
keyboard, this character requires the key combination "Alt Gr" + "2".
(By "Alt Gr" I mean the key that was formerly known as "Mode Switch",
currently I think it is called ISO-Level-2 or something similar.  I
have a GNU/Linux system -- Fedora Core 3 -- running on an AMD K6-2 (i586
clone).)

But as soon as I press the "Alt Gr" key, the "Search:" prompt
disappears from the message line, and it appears that the Search
command has been terminated, just like when I press e.g., an
arrow key. When I subsequently type hit the "2" key, I get the message
"Buffer is read-only", indicating that Emacs is running the self-insert
command instead of incremental search.

Eventually I was able to do the search because I located the first
occurrence manually, and used the ^S ^W keys to have Emacs search for
the next occurrence, but when I subsequently moved to another buffer
and needed to find the "@" character there, there was no way to do it,
short of typing the search string in a scratch buffer, searching for
it using ^S ^W, and then repeating the search in the target buffer (^S
^S).

Recent input:
C-s C-s <down-mouse-1> <mouse-1> C-x C-f / t m p <tab> 
u n i <tab> <tab> <tab> <return> <down-mouse-1> <mouse-1> 
C-x 1 M-< C-s <key-3> @ C-g C-g C-g C-s <key-3> @ <down> 
<down> <down> <up> <up> <up> <down-mouse-1> <mouse-movement> 
<drag-mouse-1> <right> <right> <left> <left> C-g <right> 
<left> C-s C-w C-s C-r C-r <return> C-s C-w C-w C-w 
C-s C-s C-s C-s C-s C-s C-s <down-mouse-1> <mouse-1> 
C-s C-w C-w C-w C-s C-s C-s C-s C-s C-s C-s C-s C-s 
C-s C-s C-s <menu-bar> <buffer> "af_unix.c" M-< C-s 
<key-3> C-s <key-3> @ <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <menu-bar> <help-menu> <re
port-emacs-bug>

Recent messages:
Note: file is write protected
Mark set
Buffer is read-only: #<buffer unix>
keyboard-quit: Quit [3 times]
Buffer is read-only: #<buffer unix>
keyboard-quit: Quit
Mark saved where search started [2 times]
Mark set
Buffer is read-only: #<buffer af_unix.c>
Loading emacsbug...done






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