Generate a globally-unique stroke id of the form ${authorId}:${monotonic}-${rand}. Receivers parse the prefix to attribute the stroke to its author for clear-mine semantics.
${authorId}:${monotonic}-${rand}
Generate a globally-unique stroke id of the form
${authorId}:${monotonic}-${rand}. Receivers parse the prefix to attribute the stroke to its author for clear-mine semantics.