A big issue with being accepting is that you risk breaking things tomorrow when you no longer want to be as accepting. And it can prevent adding features that w

A big issue with being accepting is that you risk breaking things tomorrow when you no longer want to be as accepting. And it can prevent adding features that would play badly with others' out of spec implementations. Like if twitter adds these s=NN parameters, that means you can't use an s=NN parameter for your own purposes.