The Common Desktop Environment added the following features to Motif 1.2.3 to support desktop applications:
Complete localization of toolkit error messages
XmGetPixmap() and XmGetPixmapByDepth() use the environment variable XMICONSEARCHPATH or XMICONBMSEARCHPATH as the icon search path. If neither of these variables is set, then they use XBLANGPATH, which is the Motif 1.2 behavior. See the Common Desktop Environment Motif man page for more information.