→PDF document: eliminate English & mobile URL prefixes
Open Document Format for Office Applications (ODF), also known as OpenDocument, is a ZIP-compressed XML-based file format for spreadsheets, charts, presentations and word processing documents. It was developed with the aim of providing an open, XML-based file format specification for office applications.
"Portable Document Format (PDF) (redundantly: PDF format) is a file format developed by Adobe in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.[[https://
en.m.wikipedia.org/wiki/PDF#cite_note-pdf-ref-1.7-3 2]][[https:// en.m.wikipedia.org/wiki/PDF#cite_note-4 3]] Based on the PostScript language, each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, vector graphics, raster images and other information needed to display it." - ''Wikipedia''