It's exactly a diagram DSL which outputs SVG. It's by the author of SQLite, and ...

		samatman on Sept 27, 2022 \| parent \| context \| favorite \| on: Experimenting a new syntax to write SVG It's exactly a diagram DSL which outputs SVG. It's by the author of SQLite, and is used for all the syntax diagrams in the SQLite documentation, and a bunch of graphs in the Fossil docs.