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perl.h: Expand comment
authorKarl Williamson <public@khwilliamson.com>
Fri, 12 Nov 2010 16:04:37 +0000 (09:04 -0700)
committerFather Chrysostomos <sprout@cpan.org>
Mon, 22 Nov 2010 21:32:51 +0000 (13:32 -0800)
perl.h

diff --git a/perl.h b/perl.h
index 522df72..2600040 100644 (file)
--- a/perl.h
+++ b/perl.h
@@ -4313,7 +4313,9 @@ EXTCONST char* const PL_sig_name[];
 EXTCONST int         PL_sig_num[];
 #endif
 
-/* fast conversion and case folding tables */
+/* fast conversion and case folding tables.  The folding tables complement the
+ * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
+ * folds such as outside the range or to multiple characters. */
 
 #ifdef DOINIT
 #ifdef EBCDIC