2005/10/08 12:45:35 thb 1.4.10.3: RESYNC: (1.5-1.6); FILE MERGED
2005/06/28 14:01:55 hr 1.4.10.2: RESYNC: (1.4-1.5); FILE MERGED
2005/06/17 23:49:45 thb 1.4.10.1: #i48939# Huge refactoring of canvas; as much functionality as possible is now common in a bunch of shared base classes (input checking, locking, sprite redraw, etc.); added scroll update optimization, transparently to all canvas implementations
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