collaborative editing solutions stems from communication latency. In theory, if communication were instantaneous, then creating a real-time collaborative editor would be no more difficult than creating a single-user editor, because a document could be edited using an algorithm similar to the following:

# Request an 'edit document' token from the server
# Wait until the server says it's our turn to edit the document
# Tell the server how to edit the document
# Release the 'edit document' token

However, the speed

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