This looks like an error in braille.el, but given the amount of time that has passed, I would be tempted to close this bug report as unreproducible now.
Sorry for the long delay in getting a response; unfortunately, it seems that there are not a lot of volunteers to look after the speechd-el package in Ubuntu.
Quoting DpkgTerminalLog .txt: eval-depth'
> Lisp nesting exceeds `max-lisp-
> make: *** [braille.elc] Errore 255
This looks like an error in braille.el, but given the amount of time that has passed, I would be tempted to close this bug report as unreproducible now.
Sorry for the long delay in getting a response; unfortunately, it seems that there are not a lot of volunteers to look after the speechd-el package in Ubuntu.