diff mercurial/bdiff.c @ 8150:bbc24c0753a0

util: use built-in set and frozenset This drops Python 2.3 compatibility.
author Martin Geisler <mg@lazybytes.net>
date Wed, 22 Apr 2009 00:55:32 +0200
parents 930a2be7e875
children 16f6c13706df
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