This week I am still in San Francisco, here for the CSS Working Group meeting at TPAC. I am hoping we'll get a chance to discuss some of the outstanding multicol issues today, so I can keep the work on that spec moving forward. We closed some long-debated grid issues yesterday too. A lot of the discussions are about things that seem pretty much edge-cases, but it is in these things that differences in how browsers render CSS creep in. If a part of a spec isn't fully defined then people make different decisions as to how to deal with it - and that's when you find a "browser bug". No-one wants there to be rendering differences, but it turns out that working out what to do in a way that can be implemented in browsers, understood by web developers and won't break existing websites is hard!
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