[BRLTTY] Using brltty to send Unicode characters

[Dave Mielke]

[quoted lines by Syed Waris on 2018/04/16 at 14:17 +0530]

>The problem is when a hindi character (example 'स' - unicode 0x938) needs
>to be sent from brltty to some other application, the brltty is not
>recognising it as a valid character and not sending it.
>
>Code snippet:
>enqueueCommand(BRL_CMD_BLK(PASSCHAR) | wideBuffer[0] );
>Here in brltty.log I got:
>[brltty] command: 002938 (unknown command: 002938)

Yes, the way you're trying to do it is logical but doesn't work. The reason for 
this is that the high-order byte for a 16-bit character is packed (for backward 
compatibility) in a different place. You need to do it like this:

   BRL_CMD_BLK(PASSCHAR) | BRL_ARG_SET(character)

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