7. The computer-readable storage medium of claim 1 , wherein one or more of the document pages comprises a layout specification that defines at least human-understandable graphics on the document page.
7. The computer-readable storage medium of claim 1 , wherein one or more of the document pages comprises a layout specification that defines at least human-understandable graphics on the document page. 8. The computer-readable storage medium of claim 7 , wherein the layout specification further defines at least one pattern area on the document page, the pattern area comprising a pattern from the associated pattern page.