Omission classes
Four ways a draft can be incomplete that no citation checker can detect: unretrieved authority (O1), an unaddressed element (O2), an uncited record fact (O3), and negative space, meaning decisions that already rejected the draft's argument (O4).
First used in The Case You Never Pulled
An omission is not a property of a document's contents. It is a relation between the document and a specification of what it should contain, so a tool that reads only the document cannot see it.
The four classes locate where that relation breaks. O1 covers controlling authority, including adverse controlling authority, that was never retrieved. O2 sits upstream of everything: an element nobody asks about produces no query, no citation and no error. O3 matters because at summary judgment the court need consider only the materials a party cites. O4 requires a different search from O1, a query about an argument rather than a rule.
The Pre-Filing Completeness Protocol turns the classes into columns of an element-by-element matrix in which no cell may be left blank.