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#autoload

if (( $# )); then
  local cmd="$words[1]" func="$funcstack[2]" defs i tags tag pat style prio

  while getopts 'c:f:' i; do
    if [[ "$i" = c ]]; then
      cmd="$OPTARG"
    else
      func="$OPTARG"
    fi
  done

  shift OPTIND-1

  defs=( "${(@M)argv:#${(kj:|:)~override_tags[(R)(|+*)]}}" )
  (( $#defs )) && set -- "$defs[@]"

  _offered_tags=( "$_offered_tags[@]" "$@" )
  _last_tags=()

  defs=()
  for i; do
    if [[ -n ${override_tags[$i]} && ${override_tags[$i]} != (\[|+\[)* ]]; then
      if [[ ${override_tags[$i]} = *\[* ]]; then
        prio=( "${i}:*=${override_tags[$i]#+}" )
      else
        prio=( "${i}:${(@v)^comptags[(I)(|*:)${i}(|:*)]}" )
        (( $#prio )) || prio=( "${i}:${comptags[any]}" )
        prio="${${${prio[(r)(|*:)\*=[^:]#\[*\](|:*)]}##(|*:)\*}%%:*}"
        prio=( "${i}:*=${override_tags[$i]#+}${(M)prio%%\[*\]}" )
      fi
    else
      prio=( "${i}:${(@v)^comptags[(I)(|*:)${i}(|:*)]}" )
      (( $#prio )) || prio=( "${i}:${comptags[any]}" )
    fi
    defs=( "$defs[@]" "$prio[@]" )
  done

  tags=()
  for i in "$defs[@]"; do
    tag="${i%%:*}"
    for pat in "${(s.:.)i#*:}"; do
      if [[ ( "$pat" = _* && "$func" = ${~pat%%\=*} ) ||
            "$cmd" = ${~pat%%\=*} ]]; then
        prio="${pat#*\=}"
	[[ "$prio" = -* ]] && continue 2

	if [[ "$prio" = *\[*\] ]]; then
	  style="${(M)prio%%\[*}"
	  prio="${prio%%\[*}"
        else
	  style=''
        fi
	[[ ${override_tags[$tag]} = (|+)\[* ]] &&
	    style="${override_tags[$tag]#+}"

	(( prio++ ))

        tags[$prio]="${tags[$prio]}:${tag}${style}"
        break
      fi
    done
  done

  prios=( "${(@)tags:#}" )

  return 0
fi

_failed_tags=( "$_failed_tags[@]" "$_last_tags[@]" )

(( $#prios )) || return 1

tags="${prios[1]}:"
shift 1 prios

_last_tags=( "${(@s.:.)${${tags#:}%:}}" )
_tried_tags=( "$_tried_tags[@]" "$_last_tags[@]" )

return 0