Autocomplete in multi-input elements is too greedy

[michaelgfalk]

When you are filling in an input in a multi-input container, the autocomplete is a bit too greedy.

I tried to type 'Johnson, Ian' into an input, but as there was already a 'john' in the suggested autocompletions, it automatically filled the field with 'john' and then placed the 'son' in a new input element in the multi-input container.

I then attempted to click on the offending 'john' to edit the contributor's name, but clicking on an exisiting contributor in the multi-input div simply triggered additional input elements to be created, rather than allowing me to edit the existing contributor in the list.