#compdef unexpand
local all tabs ret=1
local -a args
all="convert all whitespace, instead of just initial whitespace"
tabs="use comma separated list of tab positions"
args=(
"(--all)-a[$all]"
"(--tabs)-t[$tabs]:tablist"
"*:file:_files"
)
if _pick_variant gnu="Free Soft" unix --version; then
args+=(
"(-a)--all[$all]"
"--first-only[convert only leading sequences of whitespace]"
"(-t)--tabs=[$tabs]:tablist"
"(* -)--help[display help message and exit]"
"(* -)--version[output version information and exit]"
)
fi
_arguments "$args[@]" && ret=0
return ret
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