application/pdf; pdftotext '%s' -; copiousoutput;
application/msword; libreoffice --headless --cat '%s'; copiousoutput;
application/ics; khal printics '%s'; copiousoutput;
+text/calendar; khal printics '%s'; copiousoutput;
application/vnd.openxmlformats-officedocument.wordprocessingml.document; libreoffice --headless --cat '%s'; copiousoutput;
application/vnd.oasis.opendocument.text; libreoffice --headless --cat '%s'; copiousoutput;
+text/x-vcard; mutt.vcard.filter; copiousoutput