Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
added number of lists for proper list deallocation
addes savestr() call to gmAddGeom() for safety
added the ability to handle quoted strings in gmNewPortal()
fixed aft clipping plane problem
changed to flat shading in gmDrawPortals()
got portals working with or without alpha buffer
added port drawing into alpha buffer mask
Initial revision
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