range-set: New functions range_set_last and range_set_prev.
authorBen Pfaff <blp@gnu.org>
Tue, 5 May 2009 02:31:16 +0000 (19:31 -0700)
committerBen Pfaff <blp@gnu.org>
Sun, 7 Jun 2009 04:11:04 +0000 (21:11 -0700)
These are useful for iterating through a range set in reverse order.


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