c:\test>GLex7.2.pl
from thread
Argument "GLUT_VOWWLE" isn't numeric in subroutine entry at c:\test\GLex7.2.pl line 84.
Argument "GL_FRONT" isn't numeric in subroutine entry at c:\test\GLex7.2.pl line 15.
Argument "GL_AMBIENT" isn't numeric in subroutine entry at c:\test\GLex7.2.pl line 15.
Unknown material parameter at c:\test\GLex7.2.pl line 15.