#9364: Improve the text printed by help(pydoc) and help(help).
Issue #21311: Avoid exception in _osx_support with non-standard compiler
configurations.  Patch by John Szakmeister.
Issue #11571: Ensure that the turtle window becomes the topmost window
when launched on OS X.  (Original patch by Ronald Oussoren)
#12220: improve minidom error when URI contains spaces.

Fix by 'amathew', test by Marek Stepniowski.