Subject: bug#12001: 24.1.50; vc-diff always talks to CVS repository

From: Richard Stallman <[email-masked]>
Date: Fri, 20 Jul 2012 22:43:07 -0400

I cannot reproduce that.  When the vc backup file for the current
    revision exists, vc-diff uses it as the base.

What is the "vc backup file"?  How can I tell whether it exists?

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Dr Richard Stallman
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