naruse	2008-02-20 19:44:28 +0900 (Wed, 20 Feb 2008)

  New Revision: 15554

  Modified files:
    trunk/ChangeLog
    trunk/encoding.c

  Log:
    * encoding.c (rb_enc_associate_index): doesn't clear coderange
      when new encoding equals to old one.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15554&r2=15553&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/encoding.c?r1=15554&r2=15553&diff_format=u

Index: encoding.c
===================================================================
--- encoding.c	(revision 15553)
+++ encoding.c	(revision 15554)
@@ -613,6 +613,8 @@
 rb_enc_associate_index(VALUE obj, int idx)
 {
     enc_check_capable(obj);
+    if (rb_enc_get_index(obj) == idx)
+    	return;
     if (!ENC_CODERANGE_ASCIIONLY(obj) ||
 	!rb_enc_asciicompat(rb_enc_from_index(idx))) {
 	ENC_CODERANGE_CLEAR(obj);
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 15553)
+++ ChangeLog	(revision 15554)
@@ -1,3 +1,8 @@
+Wed Feb 20 19:42:03 2008  NARUSE, Yui  <naruse@r...>
+
+	* encoding.c (rb_enc_associate_index): doesn't clear coderange
+	  when new encoding equals to old one.
+
 Wed Feb 20 19:15:38 2008  NARUSE, Yui  <naruse@r...>
 
 	* string.c (rb_enc_str_copy): added for wrapper for rb_enc_copy.

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