Commit 1ac79b8b authored by Stefan Monnier's avatar Stefan Monnier
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*** empty log message ***

parent 9e60c724
@c This is part of the Emacs manual.
@c Copyright (C) 1985,86,87,93,94,95,97,2000,2001,2002,2004
@c Copyright (C) 1985,86,87,93,94,95,97,2000,2001,2002,2004,2005
@c Free Software Foundation, Inc.
@c See file emacs.texi for copying conditions.
@node Customization, Quitting, Amusements, Top
......@@ -2313,8 +2313,44 @@ Enable the use of the command @code{narrow-to-region} without confirmation.
@example
(put 'narrow-to-region 'disabled nil)
@end example
@item
Adjusting the configuration to various contexts.
In most of the cases, people want their Emacs to behave the same on
all their machines, so their configuration should be the same, no
matter whether it's GNU/Linux or not, under X11 or on a tty, with one
version of Emacs or another, ...
What can happen, tho, is that depending on the circumstance some
features may or may not be available. In that case just prepend each
such customization with a little test that ensures that the feature
can be used. The best tests are usually checking that the feature is
available, rather than checking what kind of environment is
being used.
@example
(if (fboundp 'blinking-cursor-mode)
(blinking-cursor-mode 0))
@end example
@example
(if (boundp 'coding-category-utf-8)
(set-coding-priority '(coding-category-utf-8)))
@end example
@example
(require 'cl) ; To define `ignore-errors'.
(ignore-errors (set-face-background 'region "grey75"))
@end example
Note also that a @code{setq} on a variable which does not exist is
generally harmless, so those usually do not need to be made
conditional on any kind of test.
@end itemize
@node Terminal Init
@subsection Terminal-specific Initialization
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