On Mon, 19 Mar 2007, Rimantas Liubertas wrote:

> As for original question, for me it looks like a bug in validator. It
> accepts unitless
> values only, which is not that spec says about the column-width.

Me too, but it also accepts the value auto (and inherit). So it's not 
completely random, just very wrong as regards to accepted values for 
column-width.

And it's not really a spec, just a draft. The latest draft (December 2005) 
allows <length> and auto (presumably implying inherit as for any 
property), whereas the preceding drafts one (2001, 1999) allowed 
<percentage> as well. There was never a published draft that allowed 
unitless values or disallowed values with units.

The W3C CSS Validator bug has been reported in September 2006:
http://lists.w3.org/Archives/Public/www-validator-css/2006Sep/0015
(I didn't find any comment on it on that list, but in principle, the 
people who develop the W3C CSS Validator have thus been informed.)

Maybe it needs to be said that the column-width property has very limited 
if any support in browsers. Mozilla has the functionality, but it 
recognizes the property under the name -moz-column-width.

-- 
Jukka "Yucca" Korpela, http://www.cs.tut.fi/~jkorpela/

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