Version 4 of the Ghent Workgroup specifications (www.gwg.org/GWGversion4.phtml) for automated workflow efficiency supports Adobe Acrobat 9 - which itself includes Universal Proof of Preflight developed by the GWG. A major feature is a check for missing glyphs, one of the leading causes of preflight and page production frustration.
GWG's free specifications have become the international benchmark for PDF quality assurance. They are used by designers, prepress and printers worldwide.
"This is more than a minor update. It is a collection of feedback from the industry and associations over the last three years that was incorporated in the GWG v4 specs," says Peter Kleinheider, documentation officer for the GWG and print publishing technologies manager for Callas Software. "The main interest was the reduction of unnecessary restrictions like the use of double byte fonts or to ignore elements completely outside the trimbox. On the other hand, the check for image resolution or line width was adopted to reflect today's printing capabilities."
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