jreidinger/ruby-dbus — comment on commit eb6ec254d2c73c26543a164a6ee367919d9a2752
File:  line 0
By mvidner:

Thanks! But :)
Implementing it with a @@class_variable means that the default value is shared across the class hierarchy, starting with DBus::Object. We should use the less confusing semantics of class_attribute, already used by DBus::Object.intfs