[PATCH] perlcommunity.pod: add information about OSDC.fr

[p5sagit/p5-mst-13.2.git] / regcomp.c

diff --git a/regcomp.c b/regcomp.c
index 6e9fa26..eb5f12f 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -2833,13 +2833,18 @@ S_study_chunk(pTHX_ RExC_state_t *pRExC_state, regnode **scanp,
                                 }
                             } else {
 /* 
-    Currently we assume that the trie can handle unicode and ascii
-    matches fold cased matches. If this proves true then the following
-    define will prevent tries in this situation. 
-    
-    #define TRIE_TYPE_IS_SAFE (UTF || optype==EXACT)
-*/
+    Currently we do not believe that the trie logic can
+    handle case insensitive matching properly when the
+    pattern is not unicode (thus forcing unicode semantics).
+
+    If/when this is fixed the following define can be swapped
+    in below to fully enable trie logic.
+
 #define TRIE_TYPE_IS_SAFE 1
+
+*/
+#define TRIE_TYPE_IS_SAFE (UTF || optype==EXACT)
+
                                 if ( last && TRIE_TYPE_IS_SAFE ) {
                                     make_trie( pRExC_state, 
                                             startbranch, first, cur, tail, count,