convertxlsform - Convert an XLSForm to a 'Microsoft Word' or PDF Document

Converts XLSForm questionnaires, as used by 'Open Data Kit' ('ODK') and 'KoboToolbox', into formatted paper versions for interviewing and review. See <https://xlsform.org> for the XLSForm standard. Output is a 'Microsoft Word' document (.docx) or, optionally, a PDF produced from that document with 'LibreOffice'. Supports multilingual forms, nested question numbering, skip logic display, and question and choice media.