* ruby.c (proc_optionc): -Kn means ASCII-8BIT.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15196 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -5,6 +5,8 @@ Thu Jan 24 01:00:34 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 	* parse.y (parser_str_new, rb_intern3): ascii only string literal is
 	  US-ASCII.
 
+	* ruby.c (proc_optionc): -Kn means ASCII-8BIT. 
+
 Wed Jan 23 23:54:40 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* sprintf.c: fix comment.  [ruby-dev:33275]

ruby.c

@@ -719,7 +719,7 @@ proc_options(int argc, char **argv, struct cmdline_options *opt)
 		    enc_name = "UTF-8";
 		    break;
 		  case 'N': case 'n': case 'A': case 'a':
-		    enc_name = "US-ASCII";
+		    enc_name = "ASCII-8BIT";
 		    break;
 		}
 		if (enc_name) {