speechd-el fails when brltty is not available

[Milan Zamazal]

>>>>> "CB" == Christopher Brannon <chris at the-brannons.com> writes:

    CB> Here is what I get in my *Messages* buffer:

    CB> Loading /usr/share/emacs/site-lisp/speechd-el/speechd-speak.el 
(source)...done
    CB> brltty-connection-error: (file-error make client process failed 
connection refused :name brltty :buffer nil :host localhost :service 35751)
    CB> let*: mmanager--manager-message-blocks accessing a non-mmanager--manager
    CB> Error in post-command-hook: (error mmanager--manager-message-blocks 
accessing a non-mmanager--manager)
    CB> Error in pre-command-hook: (error mmanager--manager-busy-f accessing a 
non-mmanager--manager)

    CB> The "error in pre-command-hook" and "error in post-command-hook"
    CB> messages continue.  It's almost impossible to use any interactive
    CB> commands at this point.  I can't even terminate emacs gracefully.
    CB> I end up having to kill it from another console.

    CB> Removing brltty from speechd-out-active-drivers makes this issue go
    CB> away.

I've experienced a similar problem, it is a known bug.  I think it's
some incompatibility in Emacs 23.