Allow specifying logger parameters in constructor
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Allow specifying logger parameters in constructor
progname, datetime_format, formatter in constructor [Bug #12224]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e