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regcomp.c: Add comment, Note for 3018b8238
authorKarl Williamson <public@khwilliamson.com>
Mon, 24 Dec 2012 02:44:03 +0000 (19:44 -0700)
committerKarl Williamson <public@khwilliamson.com>
Mon, 24 Dec 2012 02:48:16 +0000 (19:48 -0700)
commitff7674db17214571691c16485434c62efdfcd8d9
treea8343c1820759f6fd48fa1f304c3187dc1e752a2
parentd8da05846f247845d1f2069e2d720a1b112d58fe
regcomp.c: Add comment, Note for 3018b8238

This adds a comment for this code, which I mistakenly included in commit
3018b823898645e44b8c37c70ac5c6302b031381, and should have been in its
own commit.  The code optimizes something that has a quantifier of zero
into a NOTHING node.
regcomp.c