[BRLTTY] Unicode braille patterns

[Dave Mielke]

[quoted lines by Nicolas Pitre on 2020/10/22 at 01:00 -0400]

>I think he wants to distinguish a braille 'a' from the regular letter 
>'a'. Right now they're indistinguishable unless you use DESCCHAR on the 
>whole screen.

That's what I thought, but I'm not convinced that that's a good idea.

>My initial thought was to remove the definition for those unicode 
>braille characters from the braille table, but there doesn't seem to be 
>any such definition.

The support for them is in the core. The order is to look for braille patterns,
and then in the text table. I suppose we could look in the text table first,
thus making it possible for the table to define them.

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