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#autoload

# This can be used to add options or values with descriptions as matches.

local _opt _expl _tmps _tmpd _tmpmd _tmpms _ret=1 _showd _nm _hide _args
local _type=values _descr

# Get the option.

if [[ "$1" = -o ]]; then
  _type=options
  shift
fi

# Do the tests. `showd' is set if the descriptions should be shown.

zstyle -T ":completion:${curcontext}:$_type" verbose && _showd=yes

_descr="$1"
shift

[[ "$_type" = options ]] &&
    zstyle -t ":completion:${curcontext}:options" prefix-hidden && _hide=yes

_tags "$_type"
while _tags; do
  while _next_label "$_type" _expl "$_descr"; do

    if [[ -n "$_showd" ]]; then
      compdescribe -I ' -- ' "$@"
    else
      compdescribe -i "$@"
    fi

    while compdescribe -g _args _tmpd _tmpmd _tmps _tmpms; do

      # See if we should remove the option prefix characters.

      if [[ -n "$_hide" ]]; then
        if [[ "$PREFIX" = --* ]]; then
          _tmpd=( "${(@)_tmpd#--}" )
          _tmps=( "${(@)_tmps#--}" )
        elif [[ "$PREFIX" = [-+]* ]]; then
          _tmpd=( "${(@)_tmpd#[-+]}" )
          _tmps=( "${(@)_tmps#[-+]}" )
        fi
      fi

      compadd "$_args[@]" "$_expl[@]" -ld _tmpd - "$_tmpmd[@]" && _ret=0
      compadd "$_args[@]" "$_expl[@]" -d _tmps  - "$_tmpms[@]" && _ret=0
    done
  done
  (( _ret )) || return 0
done

return 1