EPUB CFI & Annotation Sync
Highlights that disappear when a reader switches devices. Bookmarks that reopen at the wrong paragraph. Last-read positions that jump backward every time a book is opened.
These are not rare edge cases. They are what happens when annotation systems are built without a solid understanding of how EPUB actually anchors content.
EPUB CFI & Annotation Sync is a practical production handbook for engineers...
Highlights that disappear when a reader switches devices. Bookmarks that reopen at the wrong paragraph. Last-read positions that jump backward every time a book is opened.
These are not rare edge cases. They are what happens when annotation systems are built without a solid understanding of how EPUB actually anchors content.
EPUB CFI & Annotation Sync is a practical production handbook for engineers...
