* ext/psych/lib/psych.rb: rdoc for Psych overview by Adam Stankiewicz
  [Github tenderlove/psych#134]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39540 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-03-01

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39541 b2dd03c8-39d4-4d8f-98ff-823fe69b080e