* doc/syntax/calling_methods.rdoc: fix old operator for safe navigation

operator. [ci skip][fix GH-1182] Patch by @dougo

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53385 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Dec 30 20:25:52 2015  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* doc/syntax/calling_methods.rdoc: fix old operator for safe navigation
+	  operator. [ci skip][fix GH-1182] Patch by @dougo
+
 Wed Dec 30 16:43:23 2015  Kuniaki IGARASHI  <igaiga@gmail.com>
 
 	* test/ruby/test_string.rb (test_ord): Add test for String#ord.

doc/syntax/calling_methods.rdoc

@@ -27,7 +27,7 @@ This sends the +my_method+ message to +my_object+.  Any object can be a
 receiver but depending on the method's visibility sending a message may raise a
 NoMethodError.
 
-You may use <code>.?</code> to designate a receiver, then +my_method+ is not
+You may use <code>&.</code> to designate a receiver, then +my_method+ is not
 invoked and the result is +nil+ when the receiver is +nil+.  In that case, the
 arguments of +my_method+ are not evaluated.