Some small bug fixes.  Getting closer.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1022 79a1b648-8b68-254f-b20b-c0b50f5137bf
F should be FALSE

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1023 79a1b648-8b68-254f-b20b-c0b50f5137bf
Minor stuff

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl@1024 79a1b648-8b68-254f-b20b-c0b50f5137bf