range-set: publish API for re-use by git-blame -L
authorEric Sunshine <sunshine@sunshineco.com>
Tue, 6 Aug 2013 13:59:36 +0000 (09:59 -0400)
committerJunio C Hamano <gitster@pobox.com>
Tue, 6 Aug 2013 21:27:20 +0000 (14:27 -0700)
git-blame is slated to accept multiple -L ranges. git-log already
accepts multiple -L's but its implementation of range-set, which
organizes and normalizes -L ranges, is private. Publish the small
subset of range-set API which is needed for git-blame multiple -L
support.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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