checkViewer('a Postscript previewer', ['kghostview', 'okular', 'evince', 'gv', 'ghostview -swap'],
rc_entry = [r'''\Format eps eps EPS "" "%%" "" "vector" "image/x-eps"
\Format eps2 eps "EPS (uncropped)" "" "%%" "" "vector" ""
checkViewer('a Postscript previewer', ['kghostview', 'okular', 'evince', 'gv', 'ghostview -swap'],
rc_entry = [r'''\Format eps eps EPS "" "%%" "" "vector" "image/x-eps"
\Format eps2 eps "EPS (uncropped)" "" "%%" "" "vector" ""