Merges all changes from another Automerge document into this one.
This is a one-way merge: changes flow from other into doc,
but other is not modified. For bidirectional synchronization,
use am_sync().
Merges all changes from another Automerge document into this one.
This is a one-way merge: changes flow from other into doc,
but other is not modified. For bidirectional synchronization,
use am_sync().