#compdef okular
local extns
extns="{pdf,ps,eps,dvi}(.gz|.bz2)(#c,1)|djvu|tiff|chm|cbr|cbz"
_arguments \
'(-p --page)'{-p,--page}'[page of the document to be shown]:page: ' \
'--presentation[start the document in presentation mode]' \
'--unique[unique instance control]' \
"*:Okular documents:_files -g '*.(#i)($extns)(-.)'"