Also sprach Alex Mogilevsky: > ± > ± <div style="overflow: hidden; margin: 100px 0;"></div> > ± > ± <div style="overflow: hidden; margin: 100px 0;"></div> > ± > > ± > But this behavior is different for what one would expect for what > ± > appeared to be your main use case: > ± > > ± > <h1 style="column-span:all">Title</h1> > ± > <h2 style="column-span:all">Subtitle</h2> > ± > <p style="column-span:all">Abstract...</p> > ± > ± I don't understand why it's different; in Opera's implementation, collapsing would occur in > ± both examples. And float crossing would not occur in any of them. > > H1, h2 etc. are normally not BFC True. > (their margins collapse with child margin and margins collapse > trough empty boxes). Then simply adding margin collapsing to > external margins of colspan doesn't really create compatibility > with single-column flow. For the simple use cases above, they would be compatible. -h&kon Håkon Wium Lie CTO °þe®ª howcome@opera.com http://people.opera.com/howcomeReceived on Monday, 26 September 2011 20:45:45 UTC
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