#!/bin/sh

. "$_EXEC/cgilite/cgilite.sh"

unset MD_MACROS

if [ "$(which awk)" ]; then
  md() { awk -f "$_EXEC/cgilite/markdown.awk"; }
elif [ "$(which busybox)" ]; then
  md() { busybox awk -f "$_EXEC/cgilite/markdown.awk"; }
else
  md() { cat; }
fi

min="$1" max="$2"
[ "$min" -ge 1 -a "$min" -le 6 ] || min=1
[ "$max" -ge "$min" ] || max="$min"
[ "$max" -le 6 ] || max=6

md |sed -nE '
  1i<ul class="macro toc">
  s;^.*<section class="(h[1-6])( [^"]+)?" id="([^"]*)"><h['${min}-${max}']>(([^<]|<[^aA]|<[aA][^ ])+)(<a class="anchor" href="[^>]*"></a>)?</h[1-6]>$;<li class="toc \1"><a href="#\3">\4</a></li>;p
  $i</ul>
'