improved warnings if catalog not found
provide image link (if appropriate) to X3D Examples Archive in right margin
OpenJDK 27
c14n
remove unnecessary HAnimSegment, HAnimSite USE nodes under HAnimHumanoid
improve HAnimDisplacer for left index finger, and OrientationInterpolators for left/right shoulders
add HAnimDisplace for ball points on right thumb under HAnimSegment; TODO viewpoint problem
remove debilitating stray &