why does ssconvert need D-bus ?

[Fourhundred Thecat <400thecat gmx ch>]

Hello,

when I run following command in the text console:

  ssconvert --export-type=Gnumeric_html:html40 file.gnumeric fd://1

I get lots of errors like these:

  (ssconvert:3532): GConf-WARNING **: Client failed to connect to the
D-BUS daemon:
  Unable to autolaunch a dbus-daemon without a $DISPLAY for X11
  GConf Error: No D-BUS daemon running

Please correct me if I am wrong, but ssconvert is a command line
spreadsheet format converter (that's what the man page says, anyway).
Why then, for what purpose, is it looking for D-bus ?

The whole point of a command line utility is, that it works in the
commandline (without X)

The man page does not mention anything about D-bus
(man ssconvert | grep -i bus)

Can somebody please explain what is happening ?