mime ^image/svg, has inkscape, X, flag f = inkscape -- "$@"
mime ^image/svg, has display, X, flag f = display -- "$@"
+ext gif, has mpv, X, flag f = mpv --loop -- "$@"
mime ^image, has feh, X, flag f = feh -- "$@"
mime ^image, has gimp, X, flag f = gimp -- "$@"
ext xcf, X, flag f = gimp -- "$@"