#compdef pdf2dsc pdf2ps pdfimages pdfinfo pdftopbm pdftops pdftotext pdfopt pdffonts kpdf apvlv epdfview
local expl ext=''
# ghostscript:
# pdf2dsc pdf2ps pdfopt
# xpdf:
# pdfimages pdfinfo pdftopbm pdftops pdftotext xpdf pdffonts
# KDE 3:
# kpdf
# KDE 4:
# okular
if [[ "$1" == '-z' ]]; then
ext='(|.bz2|.gz|.Z)'
shift
fi
_description files expl 'PDF file'
_files "$@" "$expl[@]" -g "*.(#i)pdf$ext(-.)"