* allow "combining" Actionscript and SWF.
* "swfcombine -m" (e.g. "swfcombine -mT test.swf") duplicates depths:
relocate depth in normalcombine()
* allow "combining" Actionscript and SWF.
* "swfcombine -m" (e.g. "swfcombine -mT test.swf") duplicates depths:
relocate depth in normalcombine()