Human-authored ground-truth mappings

Looking for the tool rather than its ground truth? Twenty of these changes in omnidiff's own viewer, each shown as Unix diff marks it and as omnidiff maps it.

Each page below shows one fixture's before/after AST, annotated with what a human decided should match, get deleted, or get inserted. Disagree with one? Open the fixture, select the node, and use the "file an issue" button.

"omnidiff mismatches"/"unix diff mismatches" are line-level disagreements against the human mapping (see the introductory paper for why line granularity, not AST-node granularity, is the only fair way to compare omnidiff against a line-only tool like Unix diff) - click a column header to sort by it.

"Paintings" lists the hand-recorded accounts of each diff as text, kept independently of the node mapping because a rendering often has several equally correct answers where the mapping has one. Open a fixture and use the Code view's switch to flip between them and the mapping's own rendering. A dash means nobody has painted that fixture yet.

"Unmarked nodes" counts what the human mapping still says nothing about - a dash means the mapping is finished. Sort by it to find the ones that still need work. Where a fixture carries a description, it appears under its name.

"Reviewed" is yours to tick: it means you looked at that fixture and had nothing to file. It is kept in this browser only, and a fixture whose mapping changes after you reviewed it drops back to half-ticked so you know to look again. Sort by it to see what is left.