merge revision(s) 57536: [Backport #13192]

	doc: Add example for Symbol#to_s

	* string.c: add example for Symbol#to_s.

	The docs for Symbol#to_s only include an example for
	Symbol#id2name, but not for #to_s which is an alias;
	the docs should include examples for both methods.

	From: Marcus Stollsteimer <sto.mar@web.de>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 2 insertions, 1 deletions

diff --git a/string.c b/string.c
index ade2be20b9..651892ecc1 100644
--- a/string.c
+++ b/string.c
@@ -8779,6 +8779,7 @@ sym_inspect(VALUE sym)
  *  Returns the name or string corresponding to <i>sym</i>.
  *
  *     :fred.id2name   #=> "fred"
+ *     :ginger.to_s    #=> "ginger"
  */
 
 
diff --git a/version.h b/version.h
index 5612f4cc74..a26eb39922 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.2.7"
 #define RUBY_RELEASE_DATE "2017-03-26"
-#define RUBY_PATCHLEVEL 450
+#define RUBY_PATCHLEVEL 451
 
 #define RUBY_RELEASE_YEAR 2017
 #define RUBY_RELEASE_MONTH 3