#autoload

local format raw gopt

if [[ "$1" = -e ]]; then
  local expl ret=1

  _comp_mesg=yes

  _tags "$2" && while _next_label "$2" expl "$3"; do
    compadd ${expl:/-X/-x}
    ret=0
  done

  return ret
fi

gopt=()
zparseopts -D -a gopt 1 2 V J

_tags messages || return 1

if [[ "$1" = -r ]]; then
  raw=yes
  shift
  format="$1"
else
  zstyle -s ":completion:${curcontext}:messages" format format ||
      zstyle -s ":completion:${curcontext}:descriptions" format format
fi

if [[ -n "$format$raw" ]]; then
  [[ -z "$raw" ]] && zformat -f format "$format" "d:$1" "${(@)argv[2,-1]}"
  builtin compadd "$gopt[@]" -x "$format"
  _comp_mesg=yes
fi