Creates a fork of an Automerge document at the current heads or
at a specific point in history. The forked document shares history
with the original up to the fork point but can diverge afterwards.
Usage
am_fork(doc, heads = NULL)
Value
A new Automerge document (fork of the original)
Arguments
doc
An Automerge document
heads
Optional list of change hashes to fork at a specific point in
the document's history. If NULL (default) or an empty list, forks at
current heads. Each hash should be a raw vector (32 bytes).