b439c08b7148c9d67fbadfa688e20e4887a4bde0
From Robert Osfield, tweak to the fix to add comment describing the extra check, and addition of check against width, and change to ==0 rather than <= 0.
Welcome to the OpenSceneGraph (OSG).
For up to date information on the project, how to compile and run libraries
and examples, and see the documentation on the OpenSceneGraph website.
http://www.openscenegraph.org
Robert Osfield.
robert@openscenegraph.com
July 19th 2006.
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