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RE: [css3-multicol] column balancing and fixed height (RE: Question on Flexbox balance implementation)

From: Håkon Wium Lie <howcome@opera.com>
Date: Mon, 30 Aug 2010 11:52:43 +0200
Message-ID: <19579.32619.683764.273220@gargle.gargle.HOWL>
To: Alex Mogilevsky <alexmog@microsoft.com>, "robert@ocallahan.org" <robert@ocallahan.org>
Cc: "www-style@w3.org" <www-style@w3.org>, Chris Jones <cjon@microsoft.com>
Also sprach Alex Mogilevsky:

 > This was discussed at FTF and resolved as follows:
 > 
 > 1)      Column balancing does apply in multicol boxes with specified height (see http://www.w3.org/Style/CSS/Tracker/issues/129).

Yes.

 > 2) Overflow from such boxes behaves the same way with or without
 > balancing – columns are added in direction of line flow (balancing
 > is not applicable with overflow)

Yes, if you by "direction of line flow" mean what the draft calls
"inline direction". The rules are different for paged media where new
column boxes are added on new pages.

 > 3)      For in overflow, the ‘column-span’ property has no effect.

Yes, column spans only show inside the multicol box. 

 > Noted special case: If an element with “column-span:all” does not
 > fit into multicol box, it is pushed to overflow and its
 > ‘column-span’ property no longer has effect. There is a possibility
 > that without “column-span:all” it would have fit within the last
 > column of the multicol box, but that possibility is not evaluated.
 > The element remains in overflow uncioniditionally.

Yes.

 > Hakon – could you please verify that my summary matches what we have agreed on?

Done, thanks for your writeup. 

We also confirmed the current wording in the spec: 

  A column rule is drawn in the middle of the column gap with the
  endpoints at opposing content edges of the multicol element.

  http://www.w3.org/TR/css3-multicol/#column-gaps-and-rules

No further "clipping" is done to the column rules so very wide rules
will extend outside the multicol box, and there will be column rules
between columns outside the multicol box.

I hope this is a resolution you can live with, Robert. 

Cheers,

-h&kon
              Håkon Wium Lie                          CTO °þe®ª
howcome@opera.com                  http://people.opera.com/howcome
Received on Monday, 30 August 2010 09:53:20 GMT

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