In rmd2word() the argument pdf_args may be used to pass command line switches to OfficeToPDF when creating PDF documents. The default setting creates bookmarks in the PDF file using the headings in the input Word document.
Bug fixes and minor improvements
ext_img now also works if the file extension of an input image is capitalised, that is, “PNG”, “JPG” or “JPEG”. In version 1.0.1 it only worked for lower case file extensions.