[BRLTTY] Character selection from the keypad.

[Dave Mielke]

We Still need to decide how best to make choosing the active character more 
flexible when the keypad is being used.  The current method - using the 
location of the system cursor - is simple, predictable, and consistent, but, as 
has been mentioned, the system cursor can't always be moved to any arbitrary 
location on the screen.

We could decide that what we already provide is good enough, and recommend that 
people use the screen application's copy mode to place the cursor. While that 
works, I myself don't think it's a good enough general solution. It's not only 
somewhat cumbersome and requires the use of an additional application, but also 
the fact is that the screen application isn't available on all platforms.

We also simply can no longer assume that the user is using a braille device 
with routing keys. We may well have speech users who have no choice but to use 
the keypad. For them, of course, we absolutely must provide a way for any 
character on the screen to be used. We do now have a speech cursor, and, for 
them, that'd be the most natural thing to use.

We also have braille-only users who simply prefer, for their own reasons, to 
use the keypad for certain character-oriented functions. If that's their 
choice, then, unless there's a very good reason not to do so, we should support 
their needs.

As always, I welcome suggestions.

-- 
Dave Mielke           | 2213 Fox Crescent | The Bible is the very Word of God.
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