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Re: patch to make emacs proceed if DISPLAY is unreachable

From: Vivek Dasmohapatra
Subject: Re: patch to make emacs proceed if DISPLAY is unreachable
Date: Tue, 7 Mar 2006 16:30:37 +0000 (GMT)

On Tue, 7 Mar 2006, Giorgos Keramidas wrote:

How about making this customizable then?

I haven't had the time to look into the DISPLAY initialization parts.
If they are used before .emacs is loaded it may be a bit trickier than
what I initially thought.  But when users may want a diversion from the
default behavior, then a customizable option is what's called for, IMHO :)

This happens well before any customisation. In fact, it happens before
the lisp engine is started and we enter normal-top-level.

1) Command lines are parsed

2) if no display is required, the terminal is initialised

3) we enter elisp at normal-top-level

4) command-line is called :
     NOW the elisp engine parses the command line and creates a GUI frame
     if necessary, or defaults to using the terminal frame.

Ideally, this could all be fixed after 4, unfortunaltely the terminal is already uninitialised/intialised at 2, so even if we make display
failure non-fatal at 4, the terminal/frames aren't in the right state
for us to use anyway.

I worked around this by inserting the kludge at 1.5.

It would require much more major surgery to make this subject to customisation, it's all quite deep down inside emacs.

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