More robust regarding return value of transformation.
More robust regarding return value of transformation.

andene/substance,abhaga/substance,jacwright/substance,podviaznikov/substance,michael/substance-1,jacwright/substance,substance/substance,TypesetIO/substance,abhaga/substance,substance/substance,podviaznikov/substance,stencila/substance,andene/substance,TypesetIO/substance,michael/substance-1