Generate table of contents …
grep "^#.*" TODO.txt | sed -e 's|^#*\([^#]*\)#*$|*\1|g'
<markdown>
## html h2 title ## ### html h3 title ### #### style #### list title : * list item 1 * list item 2 _italic_ text 1234 preformated text ' preformated text on several lines ' url : <http://rzr.online.fr> ## SYNTAX ##
</markdown>