Creates a new change in the document's history without any operations.
This is useful for creating merge commits or recording metadata
(message, timestamp) without making data changes.
Usage
am_commit_empty(doc, message = NULL, time = NULL)
Value
The document doc (invisibly)
Arguments
doc
An Automerge document
message
Optional commit message (character string)
time
Optional timestamp (POSIXct). If NULL, uses current time.