(vc-diff): If `diff' gives empty output, return nil.
authorRichard M. Stallman <rms@gnu.org>
Fri, 25 Jun 1993 21:30:54 +0000 (21:30 +0000)
committerRichard M. Stallman <rms@gnu.org>
Fri, 25 Jun 1993 21:30:54 +0000 (21:30 +0000)
commitb246f571850419affa459113d462ceae9eadc373
tree9bec9c0a9c81725f39503ec49f17a21566766aec
parentc6cc04e999a65194fa9a1f6f4bfde6c0f91c2240
(vc-diff): If `diff' gives empty output, return nil.
lisp/vc.el