cg: check if selection change is allowed BEFORE changing the
actual selection (to avoid writing into a wrong spec).
allow to paste into a non-container (search for a container)
LIBRARY libtool2
DESCRIPTION 'Smalltalk/X Programmer Tool Classes 2'
CODE PRELOAD MOVEABLE DISCARDABLE
SEGMENTS
INITCODE PRELOAD DISCARDABLE
EXPORTS
__libtool2_Init @1