>I thought I'd posted something after this but anyway:
>
>I tested using both positive and negative priority and your directive always ran first. I *did* get it to work by changing your formatter to:

>                    function bind() {
>                        return ngModel.$formatters.unshift(function (value) {
>                            return format(value);
>                        });
>                    }

Don't know why the priority approach didn't work but this shows that your formatter needs to be first in the $formatters array.....

Wow, thanks for the clever solution, Viv. Seems like that error is gone although I'll do more tests.