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regcomp.c: Only try to fold foldable chars
authorKarl Williamson <public@khwilliamson.com>
Thu, 28 Jun 2012 23:13:18 +0000 (17:13 -0600)
committerKarl Williamson <public@khwilliamson.com>
Wed, 25 Jul 2012 03:13:44 +0000 (21:13 -0600)
commitea220d7046e366205eb43703638d640baba2805e
treec29add467557f97bd332ad7400f5526cd95505fb
parente94e94b5ceeb265476690d9992a953b7d876f3a1
regcomp.c: Only try to fold foldable chars

This uses the new table that a previous commit caused mktables to
generate which more precisely determines which Unicode characters
participate in folds.  This avoids trying to calculate a fold that we
can know beforehand doesn't have a fold.
regcomp.c