The zenfmt book

How the converter works, and what it will and will not do to a document.

• Preface

  Why the book exists and how to read it.

• A Conversion, End to End

  The shortest safe path from an unfamiliar document to useful Markdown.

• One Representation

  The layered document IR every reader feeds and every writer lowers.

• Readers, Writers, Bundles

  How format knowledge stays out of the core.

• Every Format Is a Container

  Archives, binary streams, and the limits that bound them.

• The One Writer

  What the Markdown writer emits and what it refuses.

• Hostile by Default

  Resource limits, strictness, and the browser profile.

• Embedding and Filtering

  The Zig, Python, and browser APIs.

• Reference

  The diagnostic catalogue and the limit table.

• The Measure of the Tool

  Method, corpus, and recorded results.

• The Server

  The REST and streaming API, open and secure modes, and deployment.