Luca-
I'm confused. Are you saying that "update #5:12 remove 0" is the current syntax, or the suggested syntax?
update #5:12 remove 0 will not work, because you have to target the correct collection. For example, a single object could have an embeddedset called "people" and one called "things". The only way to remove from these collections is to reference them first, and the the position of the object to be removed.
i.e. update #5:12 remove people[0]...
i just want to get on the same page before i create the issue.