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Tabular Data / Processing model: column group

From: Christian Roth <roth@visualclick.de>
Date: Thu, 1 Dec 2011 15:49:28 +0100
Message-Id: <89F29AB2-B074-4F6A-B034-354381BC3AA3@visualclick.de>
To: public-html-comments@w3.org

says for column group:

> A column group is a set of columns anchored at a slot (groupx, 0) with a particular width such that the column group covers all the slots with coordinates (x, y) where groupx ≤ x < groupx+width and 0 ≤ y < yheight. Column groups correspond to colgroup elements. Not every column is necessarily in a column group.

What is the sentence 

"Not every column is necessarily in a column group." 

meant to convey as important information to the reader?

It seems to me that a column can only not be in a column group if it is an implied column. Implied columns only occur when there are no colgroup elements at all, meaning that *no* column is in a column group in this case, or after the last defined column group in a table (when there happen to be required more column slots in a row than there are columns explicitly defined).

I suggest rewording the sentence to 

"Implied columns are not part of any column group." 

as that seems to make it much clearer what you actually want to state.

Received on Thursday, 1 December 2011 14:49:53 UTC

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