protocol: clarify scale expecations
Since the positivity of zero is debatable, and, in some cases scale was simply underspecified, clarify the situation.
Signed-off-by: Ben Widawsky ben@bwidawsk.net
Since the positivity of zero is debatable, and, in some cases scale was simply underspecified, clarify the situation.
Signed-off-by: Ben Widawsky ben@bwidawsk.net