text/html; w3m -I %{charset} -T text/html %s; copiousoutput;
text/* ; vim %s ; edit=vim %s ; compose=vim %s ; needsterminal
image/*; sxiv %s ; copiousoutput
application/pdf; zathura %s ;
application/docx; libreoffice %s ;
application/pgp-encrypted; gpg -d '%s'; copiousoutput;
