* re.c (rb_reg_quote): set US-ACII for ASCII-only string.

[ruby-dev:33785]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15481 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Feb 15 10:35:54 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* re.c (rb_reg_quote): set US-ACII for ASCII-only string.
+	  [ruby-dev:33785]
+
 Fri Feb 15 10:27:47 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* {win,bcc}32/Makefile.sub (config.h): added HAVE_FTRUNCATE.

re.c

@@ -2540,7 +2540,7 @@ rb_reg_quote(VALUE str)
     }
     if (ascii_only && rb_enc_get_index(str) != 0) {
         str = rb_str_new3(str);
-        rb_enc_associate(str, rb_ascii8bit_encoding());
+        rb_enc_associate(str, rb_usascii_encoding());
     }
     return str;