text/html; unshare -n -r w3m -I %{charset} -T text/html; copiousoutput;
image/*; mutt_bgrun /usr/bin/feh -. %s; test=test -n "$DISPLAY"
#application/pdf; /usr/local/bin/mutt_bgrun /usr/bin/evince %s; test=test -n "$DISPLAY"
application/pdf; evince %s; test=test -n "$DISPLAY"