Created attachment 61572 [details] Presentation refered to in #1 ODF validator: http://odf-validator.rhcloud.com/ MATRIX Presentation.odp/Object 1/content.xml[2,3081]: Error: tag name "office:graphics" is not allowed. Possible tag names are: <chart>,<database>,<drawing>,<image>,<presentation>,<spreadsheet>,<text> and MATRIX Presentation.odp/Object 2/content.xml[2,3081]: Error: tag name "office:graphics" is not allowed. Possible tag names are: <chart>,<database>,<drawing>,<image>,<presentation>,<spreadsheet>,<text> Ferry
the invalid office:graphics instead of office:drawing problem was introduced by 68f7b2f27364cf3c8c8cc0f25c9929fccbb9bc06 and fixed by dc0f9dab100ce02a8c2a275f5f53187bb0df0976 what happens here is that loading the bugdoc with its 2 embedded Draw documents, and saving it, will just take over the embedded documents as they were in the original file, so the saved document doesn't validate. but when you "Edit" the 2 embedded objects and then save, the problem is gone, because then the embedded objects are really saved and not just copied. so the problem was really fixed in 3.5.0