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Specification: http://www.whatwg.org/specs/web-apps/current-work/ Multipage: http://www.whatwg.org/C#set-up-the-default-static-position Complete: http://www.whatwg.org/c#set-up-the-default-static-position Referrer: Comment: The <dialog> positioning logic needs to support vertical writing modes. Posted from: 2620:0:1000:147d:b02a:7598:a172:a94b User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1469.0 Safari/537.36
Probably can't really do this until I understand better how vertical writing works from a CSS perspective in deployed implementations.
Magic dialog positioning was removed in https://github.com/whatwg/html/pull/2158.
Actually I think this one is relevant to centered positioning which is still in the spec and Blink's implementation. But the implementation doesn't do anything for vertical writing... so it matches the current spec.
I see, so we would change it from all the talk of top/bottom to instead be about block direction? I guess that makes sense, and is worth contemplating... is Blink interested in changing that, if we change the spec?
Yes probably vertical centering using top/bottom doesn't make sense for vertical writing modes. I don't think think anyone has plans to implement this in Blink though, unless <dialog> gets more usage and there's demand for vertical writing mode support.
Since Bugzilla appparently won't let me CC people (like Tim Nguyen) unless they are already in the system, I moved this to GitHub: https://github.com/whatwg/html/issues/2185