Re: [css-text-decor-3] text-underline-position: left | right should specify horizontal writing behavior

On 03/24/2013 09:13 PM, L. David Baron wrote:
> http://dev.w3.org/csswg/css-text-decor-3/#text-underline-position-property
> says:
>    # ‘left’
>    #   In vertical writing modes, the underline is aligned as for
>    #   ‘under’, except it is always aligned to the left edge of the
>    #   text. If this causes the underline to be drawn on the "over"
>    #   side of the text, then an overline also switches sides and is
>    #   drawn on the "under" side.
>    #
>    # ‘right’
>    #   In vertical writing modes, the underline is aligned as for
>    #   ‘under’, except it is always aligned to the right edge of the
>    #   text. If this causes the underline to be drawn on the "over"
>    #   side of the text, then an overline also switches sides and is
>    #   drawn on the "under" side.
>
> This should specify what happens in horizontal writing modes.  My
> guess is that the intent was to behave exactly as 'under', but the
> specification should say so.

It already says so:

   # If ‘under’ is specified alone, ‘left’ is also implied. If ‘left’
   # or ‘right’ is specified alone, ‘under’ is also implied.

That should be sufficient, right?

~fantasai