"statusdict begin product end" is not properly detected
as it returns "GNU Ghostscript" instead of the expected
"Ghostscript".  The postscript files can be fixed in
/usr/share/ghostscript/4.03 :

*** stcinfo.ps.orig     Thu Dec  3 22:56:43 1998
--- stcinfo.ps  Thu Dec  3 22:57:54 1998
***************
*** 30,36 ****
  % use either existing STCinfo-dictionary, retrieve new one
or create dummy

  statusdict begin product end
! dup (Ghostscript) eq exch (Aladdin Ghostscript) eq or{

    currentdevice getdeviceprops .dicttomark
    dup /Name get (stcolor) eq /STCi_onstc exch def
--- 30,37 ----
  % use either existing STCinfo-dictionary, retrieve new one
or create dummy

  statusdict begin product end
! dup (Ghostscript) eq exch dup (Aladdin Ghostscript) eq
exch
! (GNU Ghostscript) eq or or{

    currentdevice getdeviceprops .dicttomark
    dup /Name get (stcolor) eq /STCi_onstc exch def
*** stcolor.ps.orig     Thu Dec  3 22:56:43 1998
--- stcolor.ps  Thu Dec  3 22:57:54 1998
***************
*** 31,38 ****
  % a message is send to the output. If this message bothers
you, remove it,
  % but I prefer to know why the device-setup failed.

! statusdict begin product end
! dup (Ghostscript) eq exch (Aladdin Ghostscript) eq or{

  % fetch the current device-parameters this is specific for
Ghostscript.

--- 31,39 ----
  % a message is send to the output. If this message bothers
you, remove it,
  % but I prefer to know why the device-setup failed.

! statusdict begin product end
! dup (Ghostscript) eq exch dup (Aladdin Ghostscript) eq
exch
! (GNU Ghostscript) eq or or{

  % fetch the current device-parameters this is specific for
Ghostscript.