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bug#8122: 23.2.94; (prefer-coding-system 'utf-8) changes indentation beh


From: Eli Zaretskii
Subject: bug#8122: 23.2.94; (prefer-coding-system 'utf-8) changes indentation behavior for emacsclient
Date: Sat, 26 Feb 2011 18:26:10 +0200

> Date: Sat, 26 Feb 2011 09:31:16 -0500
> From: Steve Revilak <address@hidden>
> Cc: 
> 
> (1) Start emacs in daemon mode, as follows:
>      env TMPDIR=$HOME/tmp emacs  -Q --eval "(prefer-coding-system 'utf-8)" 
> --daemon
> 
> (2) Use emacsclient to connect to the server started in step (1),
>      editing a new text file.
>      rm -f a.txt
>      env TMPDIR=$HOME/tmp emacsclient a.txt
> 
> (3) In the buffer for a.txt, type the lines that appear below.  Do not
>      press return after typing "ccc"
> 
> aaa
> bbb
> 
>    ccc
> 
> (4) With point at the end of line "ccc", press RETURN.  If "ccc"
>      appeared in line 5 of the buffer, then the cursor will appear at
>      line 6, column 2.  
> 
> Expected behavior: after pressing RETURN, the cursor should have
> appeared line line 6, column 0.

I found the reason for this: when keyboard-coding-system is utf-8,
typing RET is decoded as C-j.  If you start the Emacs daemon like
this:

 emacs  -Q --eval "(prefer-coding-system 'utf-8-unix)" --daemon
                                          ^^^^^^^^^^
the problem goes away.





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