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#autoload
local expl domains tmp
if ! zstyle -a ":completion:${curcontext}:domains" domains domains; then
if (( ! $+_cache_domains )); then
_cache_domains=()
if [[ -f /etc/resolv.conf ]]; then
while read tmp; do
[[ "$tmp" = (domain|search)* ]] &&
_cache_domains=( "$_cache_domains[@]" "${=${tmp%%[ ]#}#*[ ]}" )
done < /etc/resolv.conf
_cache_domains=( "${(@)_cache_domains:#[ ]#}" )
fi
fi
domains=( "$_cache_domains[@]" )
fi
_wanted domains expl domain \
compadd -M 'm:{a-zA-Z}={A-Za-z} r:|.=* r:|=*' -a "$@" - domains
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