Julian>Consensus is a central concept in the Apache Way https://www.apache.org/foundation/voting.html suggests to use whole numbers when it comes to "code changes". "Vetos" section is quite clear that vetos must be withdrawn before code modification could be applied. That provides an understandable machinery: 1) +1 is positive 2) -1 is negative (it is invalid and it has no weight without justification)
Vladimir
