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Subject: Re: Diff on Emacs
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Jasen <xx@yy.zz> writes:

>> How do I enable diff on Emacs?  Doesn't diff a standard built-in
>> function in Emacs?  Wheh I try to diff two buffers, i got "no such
>> file or directory" error that doesn't sound right, what did I miss
>> here?
>
> Sorry, forgot to tell you that I'm using Emacs 21.2.1 on Windows XP.

Ah, then you need to install the 'diff' program from somewhere.  One
possibility is to get it from the Cygwin tools.