Windows version of Tcl/Tk. The trouble based on the bug occurs when
  the script name (without extension) is a same name as a Tcl/Tk's
  library file name (without extension) required in the script.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e