mutt/mailcap

   1 text/html;       ~/.mutt/mutt_bgrun qutebrowser %s; test=test -n "$DISPLAY"; nametemplate=%s.html
   2 text/html;       w3m -I %{charset} -dump %s -T text/html -cols "$COLUMNS" -o display_link_number=1; copiousoutput; nametemplate=%s.html
   3 application/*;   ~/.mutt/mutt_bgrun rifle -f F %s;
   4 image/*;         rifle -f F %s;