) do |arguments|
# Two arguments are required
- raise(Puppet::ParseError, "difference(): Wrong number of arguments " +
- "given (#{arguments.size} for 2)") if arguments.size != 2
+ raise(Puppet::ParseError, "difference(): Wrong number of arguments given (#{arguments.size} for 2)") if arguments.size != 2
first = arguments[0]
second = arguments[1]