/* resets to default postscript settings */
_defpost()
{
        setvar("_ps_fnt", getconfdef("POSTSCRIPT_FONT"));
        setvar("_ps_ort", castint(getconfdef("POSTSCRIPT_LANDSCAPE")) == 0);
        setvar("_ps_lns", getconfdef("POSTSCRIPT_LANDSCAPE"));
        setvar("_ps_gry", getconfdef("POSTSCRIPT_GREYSCALE"));
        setvar("_ps_fil", getconfdef("POSTSCRIPT_FILE"));
        setvar("_ps_xpr", getconfdef("POSTSCRIPT_XPAPER"));
        setvar("_ps_ypr", getconfdef("POSTSCRIPT_YPAPER"));
        setvar("_ps_x",   getconfdef("POSTSCRIPT_X"));
        setvar("_ps_y",   getconfdef("POSTSCRIPT_Y"));
        setvar("_ps_fs",  numstr(getconfdef("POSTSCRIPT_FONT_SCALE")));
        setvar("_ps_fsp", castint(getvar("_ps_fs")*100));
        setvar("_ps_lw",  getconfdef("POSTSCRIPT_LINEWIDTH"));
        setvar("_ps_alo", getconfdef("POSTSCRIPT_ONEFILE"));
}