Peritext: A CRDT for Rich-Text Collaboration

In this article we present Peritext, an algorithm for rich-text collaboration that provides greater flexibility: it allows users to edit independent copies of a document, and it provides a mechanism for automatically merging those versions back together in a way that preserves the users’ intent as much as possible. Once the versions are merged, the... See more

Collaborative editors like Google Docs allow people to work on a rich-text document in real-time, which is convenient when users want to immediately see each others’ changes. However, sometimes people prefer a more asynchronous collaboration style, where they can work on a private copy of a document for a while and share their updates later. The al... See more