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6202Characters that don't take visible real estate on a page

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  • douglasoosterbaan
    Feb 9, 2005
      Does XSL-FO have a provision for the following scenario:

      An application uses an XSL-FO implementation to produce a
      PDF or PCL document, but also needs to insert a specific
      byte sequence at particular points in the rendered document.
      Then another application extracts these byte sequences to
      get a count of them, and delivers the rendered document with
      an appearance as if the byte sequences never even existed.
      Basically, it needs to insert "characters" for the sole purpose
      of instrumentation, but the "characters" shouldn't take any
      visible real estate on the rendered page.