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bug#22154: 25.0.50; emacsclient -c "breaks" 256-color display in server


From: Dan Nicolaescu
Subject: bug#22154: 25.0.50; emacsclient -c "breaks" 256-color display in server
Date: Thu, 17 Dec 2015 23:59:08 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

>> From: Dan Nicolaescu <address@hidden>
>> Cc: address@hidden,  address@hidden
>> Date: Tue, 15 Dec 2015 00:46:08 -0500
>> 
>> >> What exactly is the problem that your patch fixes?
>> >
>> > The fact that the default escape sequences for turning colors on or
>> > off are stored in global variables that get overwritten each time
>> > another tty is initialized.
>> 
>> Can you describe a behavior that is incorrect?
>
> It was described in the original report of this bug, see
>
>   http://lists.gnu.org/archive/html/bug-gnu-emacs/2015-12/msg00420.html
>   http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22154#5
>
>> > And I don't understand how could what you describe work when there's
>> > only one global value of tty-defined-color-alist.  Can you explain how
>> > that worked, given that each terminal's initialization overwrites that
>> > list?
>> 
>> Sorry, I don't remember the details, but it did work
>> In fact I just tried on emacs 24.5 with 3 terminals: xterm
>> with TERM=vt100, rxvt -fg black -bg white and rxvt -fg white -bg black.
>> emacsclient -t connected to the same emacs daemon
>
> That's not the same use case.  The one you should indeed works,
> because the foreground and background colors are recorded separately
> for each frame.  IOW, this is not related to the issue at hand.

OK, great.  That is actually a very important use-case, and more in line
with what people normally do.  It's good that it still works.





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