2014-11-27 20:08 GMT+01:00 Khaled Hosny <khaledhosny at eglug.org>: > AFIK, not every feature implemented by Adobe's reader is part of the ISO > PDF standard, so this is not a blank statement. Correct, but most (all?) extension of PDF by Adobe have been documented. https://www.adobe.com/devnet/pdf/pdf_reference.html Best Martin