JQuery Auto Complete max results shown

How do you show more than 10 results with JQuery UI Autocomplete?

I've tried:

.autocomplete({
    max开发者_Python百科: 50
});

with no luck. Any Ideas?

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The applications that I have JQuery UI autocomplete implemented use the database query to limit the results to X amount.

It's been my experience that JQuery UI autocomplete will list anything you throw at that matches.