Version 6.8 is available upstream. Please consider updating! It seems that version 6.8 is available upstream, while the latest version in the Gentoo tree is 6.7. You think this warning is false? Read more about it here.
BRLTTY is a background process (daemon) which provides access to the Linux/Unix
console (when in text mode) for a blind person using a refreshable braille
display. It drives the braille display, and provides complete screen review
functionality. Some speech capability has also been incorporated.