nobu	2012-10-06 23:22:52 +0900 (Sat, 06 Oct 2012)

  New Revision: 37107

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=37107

  Log:
    reapply r37098
    
    UTF-16 and UTF-32 are also treated as unicode since r37101.

  Modified files:
    trunk/encoding.c

Index: encoding.c
===================================================================
--- encoding.c	(revision 37106)
+++ encoding.c	(revision 37107)
@@ -458,8 +458,7 @@
 int
 rb_enc_unicode_p(rb_encoding *enc)
 {
-    const char *name = rb_enc_name(enc);
-    return name[0] == 'U' && name[1] == 'T' && name[2] == 'F' && name[4] != '7';
+    return ONIGENC_IS_UNICODE(enc);
 }
 
 static st_data_t

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