* string.c (=~): documentation fix; the return value is nil when

it doesn't match. patched by Andrei Kulakov [ruby-core:34562]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30654 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Jan 26 10:36:28 2011  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* string.c (=~): documentation fix; the return value is nil when
+	  it doesn't match. patched by Andrei Kulakov [ruby-core:34562]
+
 Tue Jan 25 08:41:58 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* dln_find.c (dln_find_1): omit too long pathnames.

string.c

@@ -2600,7 +2600,7 @@ rb_str_rindex_m(int argc, VALUE *argv, VALUE str)
  *  against <i>str</i>,and returns the position the match starts, or
  *  <code>nil</code> if there is no match. Otherwise, invokes
  *  <i>obj.=~</i>, passing <i>str</i> as an argument. The default
- *  <code>=~</code> in <code>Object</code> returns <code>false</code>.
+ *  <code>=~</code> in <code>Object</code> returns <code>nil</code>.
  *
  *     "cat o' 9 tails" =~ /\d/   #=> 7
  *     "cat o' 9 tails" =~ 9      #=> nil