[BRLTTY] adding dots 7 and 8 to characters

[Nicolas Pitre]

On Mon, 12 Aug 2019, prayner at unimelb.edu.au wrote:

> This is probably more a question about the 8-dot computer braille code
> which I can't find neatly defined anywhere.
> 
> I'm writing a customized music notation for a particular application and
> I'd like to make dots 7-8 act as modifiers to 6-dot characters. Is
> there a convenient and robust way of computing what the modified character
> will be?

Not really. This depends on the character-to-dot translation table in 
use, and there are many of them.

Your best bet might be to use the Unicode braille patterns directly:

https://en.wikipedia.org/wiki/Braille_Patterns

This way you have direct control over the dots being displayed.


Nicolas