# note: An animation of one frame.
# expect: reject
# anim: ok
# info: ok
# exercises: The degenerate sequence. Nothing requires more than one ANMF,
#   so the composition loop runs once and stops; the file is still an
#   animation to every decoder, and still refused by the still one.
frame
frame_duration 40
lossless
width 16
height 16
argb 0xff0000ff x256