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I'm beginning experiments with CSS' real-world units, specifically, in and cm, for purposes of printing.
Are these units based on how they will be displayed on-screen or how they will be printed by a printer? How accurate are these units?
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According to W3C, only
em,pxand%are recommended for screen, the others for print.Therefore, in a print application, the
inandcmmeasurements could be precisely accurate.There is an excellent article on such applications here:
http://meyerweb.com/eric/articles/webrev/200001.html