Merge psych-3.0.0.beta4 from upstream.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/ext/psych/lib/psych/handler.rb b/ext/psych/lib/psych/handler.rb
index 1074c18f9e..84a3b4f2bc 100644
--- a/ext/psych/lib/psych/handler.rb
+++ b/ext/psych/lib/psych/handler.rb
@@ -242,6 +242,11 @@ module Psych
     end
 
     ###
+    # Called before each event with line/column information.
+    def event_location(start_line, start_column, end_line, end_column)
+    end
+
+    ###
     # Is this handler a streaming handler?
     def streaming?
       false