Re: [csswg][css-display] Updated WD of CSS Display L3

On 01/26/2017 12:10 AM, Boris Zbarsky wrote:
> On 1/25/17 10:48 PM, Florian Rivoal wrote:
>> Is it a general argument that adding more things to the platform always makes it harder down the road to add more things due
>> to having to figure out more interactions
>
> It's not a general argument in this case.  It's a specific argument.
> For example, adding any new display type has to consider how it
> interacts with run-in.  Adding anything that rearranges things in
> terms of layout (e.g. shadow DOM, flexbox, grid, etc) has to consider
> how it interacts with run-in and whether the result makes any sense.

Wrt this particular issue, run-ins only run into other blocks; they
do not exist in or affect layout modes other than block-and-inline.

~fantasai