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>