2 Matching Annotations
  1. May 2022
    1. We use the Web Annotation Protocol to sync bookmarks and last reading position across devices. At a glance it covers all the use cases here, and it's a well-defined protocol with multiple independent implementations. In particular, WAP defines a relation for discovery. Here's how we link to the annotation endpoint for a specific book in an OPDS 1.2 feed. Note the distinctive link relation and media type:
    1. A Canonical Fragment Identifier (CFI) is a similar construct to these, but expresses a location within an EPUB Publication. For example:

      book.epub#epubcfi(/6/4[chap01ref]!/4[body01]/10[para05]/3:10)