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emacspeak-13.0 with a DoubleTalk LT



Hello list,
I'm trying to get emacspeak-13.0 to work with my DoubleTalk LT. I'm
using emacspeak-ss 1.7, and the doubletalk is connected to ttyS0. The
'ls -l' entry for /dev/ttyS0 is:
crw-rw----    1 root     dialout    4,  64 Jul  5  2000 /dev/ttyS0
The user account which I'm trying to use emacspeak with is a member of
group dialout. I'm trying to run emacspeak with a kernel which has no
other screen-reading packages compiled in, and without any other
screen-reading packages running. I assume I'm getting the "process 
speaker not running" error from emacspeak. Running 'tcl doubletalk'
gives a strange error. A transcript is below. 
I'm using tcl version 8.3.2, tclx version 8.3.0, and emacs version 20.7.
The system is Debian linux, the testing/unstable version (which seems to
be ok at the moment).

My /etc/emacspeak.conf file is as follows:
# emacspeak configuration file
#
#
if [ "$DTK_PROGRAM" = "" ]; then
  DTK_PROGRAM=doubletalk
fi
if [ "$DTK_TCL" = "" ]; then
  DTK_TCL=tcl
fi
if [ "$DTK_PORT" = "" ]; then
  DTK_PORT=/dev/ttyS0
fi
if [ "$DTK_DEVICE" = "" ]; then
  DTK_DEVICE="DoubleTalk LT"
fi
export DTK_PROGRAM DTK_PORT DTK_DEVICE
if [ "$DTK_TCL" != "" ]; then export DTK_TCL; fi

The transcript of the error is as follows:
pfui:/usr/share/emacs/site-lisp/emacspeak/servers# source /etc/emacspeak.conf
pfui:/usr/share/emacs/site-lisp/emacspeak/servers# tcl doubletalk
Set port to /dev/ttyS0
doubletalk status report is š15.30
	2	
the DoubleTalk is version 5.30
	2	
Error: syntax error in expression "5.30
	2	+0 >= 4.20"
    while executing
"expr $version+0 >= 4.20"
    (procedure "tts_initialize" line 29)
    invoked from within
"tts_initialize"
    (file "doubletalk.jrv" line 1004)
pfui:/usr/share/emacs/site-lisp/emacspeak/servers#

Any ideas?

Thanks,
Chris

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