[updates] 3 for 3.1alpha

Dan Ingalls Dan.Ingalls at disney.com
Thu Mar 1 02:09:02 UTC 2001


...as follows...

	- Dan
------------------
3738syntax9-raa -- Bob Arning -- 28 February 2001
beginnings of ligatures in compound words
beginnings of new repeat structure"

3739syntax10-raa -- Bob Arning -- 28 February 2001
- ligatures in unaries only
- all vertical blue bars removed"

3740BBSrcEqDestFix-di -- Dan Ingalls -- 28 February 2001
Fixes a bug introduced in changSet 1945BitBltSpeedup, and discovered by Helge Horch.
It had resulted in different results in the upper and lower copies displayed during the following loop (the upper copy results from a blt with src==dest, delta y = 0, and delta x > 0, the only case for which the horizontal loop must proceed from right to left):
	| p q |
	[Sensor anyButtonPressed] whileFalse:
	[p _ Sensor cursorPoint.
	q _ p + (200 at 0).
	Display fillWhite: ((q extent: 50 at 60) expandBy: 10).
	Display copy: (p extent: 50 at 30)
		from: Display to: q rule: 3.
	Display copy: (p extent: 50 at 30)
		from: Display to: q + (0 at 31) rule: 3.
	(Delay forMilliseconds: 200) wait].
This change purports to fix the problem for all color depths.







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