Lensfun, Exiv, Windows – IRZU INSTITUTE

Trying to upload an xml file as attachment to this posting I run into this:
Sorry, the file you are trying to upload is not authorized (authorized extensions: jpg, jpeg, png, gif, ico, dtstyle, txt, scm, pp3, svg, xmp, bz2, xcfbz2, py, arw, apng, orf, cr2, nef, dng, tif, patch, zip, 7z, rtc, raw, exr, hdr, raf, rw2, pfi, xcf, xcf, pef, icc, icm, pto, blend, dcp, xcfxz, xcfxz, ods, mp4, mkv, ogv, webm, cr2, nef, dng, cr2, pdf, kra, ntp, arp, fits, seq, gz, ssf, cr3, heif, heic, avif, crw, dtpreset, nrw, cfg)
Trying again having saved the xml file as “all files”…