Module diff 

Hierarchical 2-pass sequence diff engine and highlight box unioning.

Structs

DocumentDiffResult

Overall document diff result across all pages.

PageDiffResult

Diff result for a single side-by-side page pair.

Enums

DiffGranularity

Diff granularity mode selectable via --granularity.

Functions

diff_documents

Compares two documents page-by-page and returns structured diff highlights.

diff_page_pair

Compares a single page pair and produces Left (Base) and Right (Tailored) highlight spans.