- Use true alpha-channel output only if supported by the GD library that's   installed. Otherwise just try to get by with compositing.
- Use true alpha-channel output only if supported by the GD library that's
  installed. Otherwise just try to get by with compositing.

--HG--
extra : convert_revision : svn%3Ab4f3b83b-18d6-0310-a2de-c8f40de7a630/trunk%40172

ged/arrow,ged/arrow