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Re: Proposed Liaison: [CSS2.1] Default Width and Height

From: Doug Schepers <doug.schepers@vectoreal.com>
Date: Fri, 12 Jan 2007 00:32:41 -0500
Message-ID: <45A71D79.2070000@vectoreal.com>
To: www-svg <www-svg@w3.org>


Oops, obviously, I'd meant to send this to the SVG WG, not the public 
list.  No harm done, I hope.


Doug Schepers wrote:
> Hi, groupies-
> Please peruse this here email and let me know if'n it is purty enough. I 
> plan to send it to CSS and CDF.
> Hi, CSS WG-
> The SVG WG has reviewed the proposal [1] by Fantasai for smarter way for 
> the default width and height of an SVG image in HTML+CSS.  We would like 
> to express our approval of it, and hope that the CSS WG incorporates it 
> into CSS 2.1.  We urge the CDF WG to review it as well, and report on 
> its suitability.
> The most common case for SVG documents, and the one endorsed by the SVG 
> WG, is that the width and height attributes on the root element be 
> unspecified or expressed as percentages, with the viewport and aspect 
> ration determined by the viewBox.  Doing so allows for the automatic 
> scaling of the image.  This proposal is in line with that use case.
> The proposal also properly addresses the distinction between CSS and SVG 
> percentages with respect to margins, padding, etc.
> For our part, we have resolved to errata the 1.1 spec along the lines of 
> the SVG Mobile 1.2 spec sections 7.11, 7.12, and 7.13 [2] to make it 
> more clear, and we will inform you when that errata is published.  We 
> will try to do this in a timely manner so it can be referenced.
> Also, in the course of our discussion with Fantasai, we discovered that 
> the SVG specs were not sufficiently clear that percentage values in the 
> SVG root width and height attributes do not specify an intrinsic width 
> and height.  We have resolved to add text to that effect, and hope that 
> this clarifies matters for all involved.
> We appreciate your efforts on this issue, and are glad that this 
> proposal will work to the advantage of authors in an increasingly common 
> use case.
> [1] http://lists.w3.org/Archives/Member/w3c-svg-wg/2006OctDec/0373.html
> [2] http://www.w3.org/TR/SVGMobile12/coords.html
> Regards-
> -Doug, on behalf of the SVG WG
Received on Friday, 12 January 2007 05:32:55 UTC

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