[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	13/04/21 01:54:37

Modified files:
	cm3/m3-sys/m3back/src/: M3C.m3 

Log message:
	combine MarkUsedVariables, MarkUsedLabels and new MarkUsedProcedures
	into new MarkUsed
	
	prepare to not output unused functions/prototypes (unless exported)