Markdown Twitter Bootstrap column layout syntax proposal

gistfile1.md

!-- layout 4 4 4

First

This is first column

• foo
• bar

!--

Second

This is second column

!--

this is third

!--

This is the original layout.

!-- layout 8 4

This is main wide body.

!--

Bullets in right column

• Bullet 1
• Bullet 2 ...

!--

Back to normal layout