cindeem/nibabel — comment on commit c5192e8c0e89d5fbd90467b077b2b6009f44e812
File:  line 0
By matthew-brett:

But - is this OK as output?

{0: [1, 16842754.0],
1: [0, 16842753.0],
2: [2, 16842755.0],}

if in fact the first 'frame' is a 0 or -1 frame?