no alternate value expansion
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
no alternate value expansion
expansion for legacy sh. [ruby-dev:47420] [Bug #8524]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e