#compdef gsbj gsdj gsdj500 gslj gslp gsnd ps2ascii ghostview mgv pstoedit pstotgif
local expl ext
# ghostscript:
# gs gsbj gsdj gsdj500 gslj gslp gsnd ps2ascii
if [[ "$1" == '-z' ]]; then
ext='(|.gz|.Z)'
shift
fi
_description files expl 'PostScript or PDF file'
_files "$@" "$expl[@]" -g "*.(#i)(pdf|ps|eps)$ext(-.)"