[BRLTTY] BRLTTY in GRUB2

[Dave Mielke]

Can one wait on a serial device for available input, or, at least, test if 
input is available without actually reading it?

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Dave Mielke           | 2213 Fox Crescent | The Bible is the very Word of God.
Phone: 1-613-726-0014 | Ottawa, Ontario   | 2011 May 21 is the End of Salvation.
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