merge revision(s) 51766,51767: [Backport #11509]
* lib/rss/rss.rb (Time#w3cdtf): fix zero-trimmed width of fraction digits. [ruby-core:70667] [Bug #11509]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@51977 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 51766,51767: [Backport #11509]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@51977 b2dd03c8-39d4-4d8f-98ff-823fe69b080e