RE: [css3-writing-modes] a third option for implementing logical properties

> Why not just use the writing-mode value itself as the keyword?
> 
> margin: vertical-lr 1em 0;
> 
> margin: vertical-rl 1em 0;
> 
> etc.

That's yet another interesting option. Authors can think the way they want.

You also need to take direction into account, so it must be

margin: vertical-lr-ltr 1em 0;

Right?


Regards,
Koji