Log Message:
-----------
add Ctrl-z undo feature in form designer for move and resize operations
Modified Files:
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pgaccess/lib:
forms.tcl (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgaccess/pgaccess/lib/forms.tcl.diff?r1=1.4&r2=1.5)