Re: [css-writing-modes] 'direction' vs. vertical text

On Wed, May 7, 2014 at 7:59 AM, Simon Sapin <simon.sapin@exyr.org> wrote:
> In "Introduction to Writing Modes", the inline base direction is defined
> such that it exists in all writing modes. However, the current definition of
> the 'direction' property seems to assume an horizontal writing mode:
>
>> Values for this property have the following meanings:
>>
>> ltr
>>     Left-to-right directionality.
>> rtl
>>     Right-to-left directionality.
>
>
> What do these values mean for vertical text?
>
> Should they map to top-down and bottom-up respectively, or should the
> inline-start direction always be up, or something else?
>
> (This may be defined in another part of the spec that I haven’t read yet,
> but it should at least be linked from here, if not defined here.)

It could perhaps be clarified that it refers to line-left to
line-right directionality, etc.  (Those are the line-relative
directions.)

~TJ

Received on Wednesday, 7 May 2014 16:28:24 UTC