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grep: fix colouring of matches with zero length
authorRené Scharfe <rene.scharfe@lsrfire.ath.cx>
Mon, 1 Jun 2009 21:53:05 +0000 (23:53 +0200)
committerJunio C Hamano <gitster@pobox.com>
Tue, 2 Jun 2009 05:30:39 +0000 (22:30 -0700)
commit1f5b9cc40e80a8a7902236a26844be138887b1d9
tree6c0721315dac35f301dc716cd3a7c53e1b62e06ftree | snapshot
parentdbb6a4ada6c6c1065b62313127ff032196e9d232commit | diff
grep: fix colouring of matches with zero length

If a zero-length match is encountered, break out of loop and show the rest
of the line uncoloured.  Otherwise we'd be looping forever, trying to make
progress by advancing the pointer by zero characters.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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