This is actually helpful for https://github.com/geneontology/obographs/issues/47 and https://github.com/INCATools/ontology-development-kit/issues/150 (although none are using `fastobo` ATM).
This is actually helpful for geneontology/obographs#47 and INCATools/ontology-development-kit#150 (although none are using
fastoboATM).