Tartarus CVS: zap zapcvs

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CVSROOT:	/home/cvs
Module name:	zap
Changes by:	zapcvs	01/11/10 01:21:44

Modified files:
	sources/!ZapRedraw/s: Tag: ZapXRedraw Cache,fff DSARedraw,fff 
	                      Messages,fff VDURedraw,fff VFRedraw,fff 

Log message:
Added greater error checking of font handles passed to us.
cache_free validates the block to be freed if we're in debugging mode
so we don't cause aborts in bad places
messages_error doesn't corrupt as many registers
Fixed a font handle bug un VDURedraw