fix backslash [ci skip]

* string.c (rb_str_tr): [DOC] Escape backslash in String#tr
  documentation.  [Fix GH-1063]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52225 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Oct 23 00:22:20 2015  Josef Simanek  <josef.simanek@gmail.com>
+
+	* string.c (rb_str_tr): [DOC] Escape backslash in String#tr
+	  documentation.  [Fix GH-1063]
+
 Fri Oct 23 00:19:04 2015  yui-knk  <spiketeika@gmail.com>
 
 	* array.c (rb_ary_collect): [DOC] Fix space of code example of

string.c

@@ -6106,7 +6106,7 @@ rb_str_tr_bang(VALUE str, VALUE src, VALUE repl)
  *     "hello".tr('a-y', 'b-z')    #=> "ifmmp"
  *     "hello".tr('^aeiou', '*')   #=> "*e**o"
  *
- *  The backslash character <code>\</code> can be used to escape
+ *  The backslash character <code>\\</code> can be used to escape
  *  <code>^</code> or <code>-</code> and is otherwise ignored unless it
  *  appears at the end of a range or the end of the +from_str+ or +to_str+:
  *