* lib/open3.rb : Typo in Open3 overview. Patch by zed_0xff
  [Github Fixes #233]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
typo in commit date


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/matrix/lup_decomposition.rb: Fix error for rectangular matrices
  [bug#7620] [ruby-core:51118] [rubyspec:41f833ee2]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38797 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/irb.rb, lib/prime.rb: Typos in overview
  Patch by Ershad K [Github Fixes #234]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38798 b2dd03c8-39d4-4d8f-98ff-823fe69b080e