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LastCall for SVG Print 1.2

From: Chris Lilley <chris@w3.org>
Date: Fri, 21 Dec 2007 21:11:02 +0100
Message-ID: <1479579306.20071221211102@w3.org>
To: public-svg-print@w3.org

Hello www-svg-print,

This is a Last Call Working Draft transition announcement for SVG Print 1.2, which is in two parts:

SVG Print 1.2, Part 1: Primer
W3C Working Draft 21 December 2007
    http://www.w3.org/TR/2007/WD-SVGPrintPrimer12-20071221/

SVG Print 1.2, Part 2: Language
W3C Working Draft 21 December 2007
    http://www.w3.org/TR/2007/WD-SVGPrint12-20071221/

Feedback should be sent to public-svg-print@w3.org which has a public archive at http://lists.w3.org/Archives/Public/public-svg-print/ by 8 February 2008. 


SVG Print is aimed at software which generates formatted, paginated material for printing. The process of generating that content (eg from XSL, or from CSS, or from a wordprocessor  or charting package, or whatever other means, is at a level above SVG Print and orthogonal to it. Where SVG Print fits in is the case where the printer itself (or some print processor) understands SVG as a page description language.

Print creation software that is talking to an SVG-aware printer can easily use standard SVG features to do multiple pages per physical page (impression); to print crop marks, registration marks, quality control swatches and job control information as well as the original content.

SVG Print defines conformance classes for SVG Print documents, for SVG Printing Devices, and for an SVG Print Preview device.

The SVG Print 1.2 language adds two main features to SVG - one is a set of elements for dividing content into pages and for defining master page content (eg 'draft' printed in grey under each page) and the other is improved color specification information. 

Previous specifications from W3C (SVG 1.1, CSS, XSL) allowed ICC-based color specification but made it optional and thus, not testable. Given the crucial industry importance of color management, SVG Print makes ICC-based color management mandatory and thus, testable and reliable. In addition to the sRGB and ICC-based color specifications from SVG 1.1 (eg, for calibrated CMYK) SVG Print 1.2 adds names colors, 'device' (ie, uncalibrated) colors, and allows color interpolation to occur in the CIE LAB color space. The latter feature means that colors may be freely used which are outside the gamut of sRGB. 


For CSS WG, SVG WG is interested to hear of anything in CSS that would be problematic to represent in SVG Print.

For XSL FO, SVG WG is interested to hear of anything in XSL FO that would be problematic to represent in SVG Print, and also interested to explore reuse of color specification material to allow common use in XSL and SVG. Many XSL FO processors also understand SVG and it would be convenient to allow color-matched documents for that use case.


-- 
 Chris Lilley                    mailto:chris@w3.org
 Interaction Domain Leader
 Co-Chair, W3C SVG Working Group
 W3C Graphics Activity Lead
 Co-Chair, W3C Hypertext CG
Received on Friday, 21 December 2007 20:11:09 GMT

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