"Change Set:		recognizerChangesForIpaq
Date:			14 January 2001
Author:			kgf

This class enhances the CharRecog class for more realistic situations. 
Specifically these changes make CharRecog more useful on a pen-based
system (WinCE, Linux-iPaq).

This changeset does the following:

1) A LearningMode class variable has been added to toggle CharRecog
between learning and
using modes.  What this means is you can disable the unknown glyph popup
box by doing a
CharRecog disableLearningMode.  To reenable learning mode you would do a
CharRecog enableLearningMode.

2) When a glyph is drawn in the recognizer area it is now removed from
the screen when the pen is lifted.  This mimics the behaviour seen in
Windows CE and other systems.  Note that if an unknown glyph is drawn,
it is NOT deleted until a known glyph is drawn.  This is useful for when
LearningMode is enabled and you are trying to train CharRecog to
recognize new glyphs."!
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