NAME
    cgIsAnnotation - determine if an annotation handle references a valid
    annotation

SYNOPSIS
      #include <Cg/cg.h>

      CGbool cgIsAnnotation( CGannotation ann );

PARAMETERS
    ann     The annotation handle to check.

RETURN VALUES
    Returns CG_TRUE if ann references a valid annotation.

    Returns CG_FALSE otherwise.

DESCRIPTION
    cgIsAnnotation returns CG_TRUE if ann references a valid annotation,
    CG_FALSE otherwise.

EXAMPLES
    *to-be-written*

ERRORS
    None.

HISTORY
    cgIsAnnotation was introduced in Cg 1.4.

SEE ALSO
    cgGetNextAnnotation, cgGetAnnotationName, cgGetAnnotationType,
    cgCreateEffectAnnotation, cgCreateParameterAnnotation,
    cgCreatePassAnnotation, cgCreateProgramAnnotation,
    cgCreateTechniqueAnnotation

