Spec
The full Folio Spec v1.0 (Draft) lives at SPEC.md in the repo. It defines:
- Source grammar (
:::command blocks,@data blocks, prose) - Reference engines (insert-table / insert-chart / insert-flow / insert-illustration / insert-interactive)
- HTML output contract (
data-folio-*attributes + JSON-LD) @foliolang/readerSDK contract- MIME type, versioning, conformance criteria
Browse it on GitHub for the latest draft. This page is a stable entry point — the canonical source is the repo file.
Spec PRs and discussions: github.com/SilasSolivagus/folio/discussions.