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Re: A couple of questions...

From: Giorgos Keramidas
Subject: Re: A couple of questions...
Date: Wed, 29 Oct 2008 18:34:32 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (berkeley-unix)

On Tue, 28 Oct 2008 21:05:51 +0100, Francis Moreau <> 
>Francis Moreau <> writes:
>>> The default behavior of Emacs is to wrap long lines.  What you wrote
>>> above seems to be the result of a local customization.
>> You're right: asking for the description of this variable tells me:
>> ,----
>> | truncate-lines is a variable defined in `C source code'.
>> | Its value is t
>> | Local in buffer *Summary gmane.emacs.gnus.user*; global value is nil
>> | Automatically becomes buffer-local when set in any fashion.
>> `----
>> So this variable seems to have been customized locally though I don't
>> know why.

`Local in buffer *Summary gmane.emacs.gnus.user*' means that the
variable was `nil' in a global context, and it was somehow set when you
entered that buffer.

> I finally got the answer: this actually happens when the window was
> splitted horizontally. In this case emacs does not wrap long lines
> except if you set 'truncate-partial-width-windows' to nil.

That's funny.  I am not sure why this is happening.  With an Emacs 23.X
installation here, I can start Emacs without any sort of init file by
typing in my shell prompt

    emacs -q --no-site-file --no-splash .bashrc

Then split the window in two side-by-side windows by typing `C-x 3' and
I see the long lines wrapped.  Now I'm a bit confused.

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