text/plain; w3m -I %{charset} -T text/plain; copiousoutput;
text/html; w3m -I %{charset} -T text/html; copiousoutput;
image/*; setsid imv %s >/dev/null & ;
video/*; setsid mpv --quiet %s >/dev/null &;
audio/*; mpv %s ;
application/pdf; setsid evince %s >/dev/null & ;
