We no longer provide a default article implementation.
We no longer provide a default article implementation.

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