NAME
       DelTokenUpdate -- remove a previously created notification hook for
                         command-library updates.

   SYNOPSIS
       DelTokenUpdate(functionPtr);
                      A0

   FUNCTION
       This command removes a notification request, as created by a previous
       call to  AddTokenUpdate().

   INPUTS
       functionPtr - address of routine to remove from notification list

   RESULT
       NONE

   SEE ALSO
        AddTokenUpdate()