Embedding Fonts in PDFs
You may think that no font vendor would object to an end user embedding a licensed font in a PDF. Well, some do. (The surprises just keep coming, don’t they?) While we’re not aware of any method for extracting a font from a PDF, apparently some font vendors fear that it is (or may become) possible. To forestall such thievery, some have included clauses in their EULAs that prescribe that fonts must be subset, which is a good idea, font licensing issues aside. Subsetting embeds only the characters needed to image the PDF file rather than the entire font. (Illustrator and InDesign automatically subset any embedded fonts.) They further stipulate that only one copy of the PDF must be supplied to the recipient. But beyond these ...
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