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From: Richard Stallman <rms@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Display feature request: gud-overlay-arrow
Date: Wed, 22 Mar 2006 08:44:20 -0500
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Xref: news.gmane.org gmane.emacs.devel:51959
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    It cannot possibly be worse than the current abuse of the post-command-hook
    to do all sorts of things that would be better done by specific hooks like:


    post-switch-buffer-hook  (when last command switched buffers)
    post-switch-window-hook  (when last command switched windows)
    post-modify-buffer-hook  (when last command modified selected buffer)

Yes it can be worse.  With post-command-hook, things may happen while
a certain buffer is current, but switching away and back has no effect
on them.

Please consider the issue closed.