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Re: Emacs inotify support?

From: Richard Stallman
Subject: Re: Emacs inotify support?
Date: Tue, 15 Sep 2009 03:17:03 -0400

     - trivialy mergeable divergence (f.e. you mark a file that gets touched
       externally) : AFAIK, dired already handles this kind of situation
       when you press 'g' while working, so it could do so without
       interupting the user work.

Mergeable differences can be more than that.  For instance,
if some files appear and others disappear.

g makes these updates, of course.  But you expect them when you type
g.  They may surprise you otherwise.

What happens if the file whose line point is on gets renamed?  That
seems like a mergeable difference, but you might be a bit surprised to
see the line move to some other position in the buffer.

Ultimately the only way to see how good or bad this feature is is to
try it.  But I think that paying a lot of attention to minimizing the
bad aspect is crucial to making the good outweigh the bad.

     - unmergeable divergence (f.e. you initiate a rename operation but in
       the meantime the file gets removed) : Dired will have to complain
       that source file is missing, the situation would not be worse with
       instant reflexion than without.

Well, it might be worse, because the very line you are editing may

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