duerst	2016-02-19 12:45:32 +0900 (Fri, 19 Feb 2016)

  New Revision: 53870

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53870

  Log:
    * enc/unicode.c: Activated use of case mapping data in CaseUnfold_11 array.
      (with Kimihito Matsui)

  Modified files:
    trunk/ChangeLog
    trunk/enc/unicode.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 53869)
+++ ChangeLog	(revision 53870)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Feb 19 12:44:57 2016  Martin Duerst  <duerst@i...>
+
+	* enc/unicode.c: Activated use of case mapping data in CaseUnfold_11 array.
+	  (with Kimihito Matsui)
+
 Fri Feb 19 11:08:32 2016  Nobuyoshi Nakada  <nobu@r...>
 
 	* ext/extmk.rb: add cygwin case, nothing excluded.
Index: enc/unicode.c
===================================================================
--- enc/unicode.c	(revision 53869)
+++ enc/unicode.c	(revision 53870)
@@ -698,6 +698,15 @@ onigenc_unicode_case_map(OnigCaseFoldTyp https://github.com/ruby/ruby/blob/trunk/enc/unicode.c#L698
 		    }
 		}
 	    }
+	    else if ((folded = onigenc_unicode_unfold1_lookup(code)) != 0) {
+		if (flags&OnigCaseFoldFlags(folded->n)) {
+		    int count = OnigCodePointCount(folded->n);
+		    const OnigCodePoint *next = folded->code;
+		    MODIFIED;
+		    if (count==1)
+		        code = *next;
+		}
+	    }
 	}
 	to += ONIGENC_CODE_TO_MBC(enc, code, to);
 	/* switch from titlecase to lowercase for capitalize */

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