Tartarus CVS: zap james

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CVSROOT:	/usr/data/cvs
Module name:	zap
Changes by:	james	01/04/24 13:47:56

Modified files:
	sources/modes/diff/h: Diff,fff Version,fff 
	sources/modes/diff/s: module,fff 

Log message:
When upgrading colour blocks, doesn't stomp over previous colours.
Much better commenting.