Ed Milliband has taken us back to 1984 doublespeak. His official policy now is "we will give you a referendum - but only if there are major changes, which there wont be”. So what he actually means is “I am going to say we will hold a referendum but what I mean is we wont”. Cynicism at its best.
So, here is the state of the parties on a referendum here
As Conservatives Abroad our priority is to ensure that if, there is a referendum, all Britons living abroad have the right to vote on an issue that so deeply affects the future of our country and we will continue to fight for that.