textbox.autoFill

autoFill Obsolete since Gecko 1.9.1
Type: boolean
Note: Applies to: Thunderbird and SeaMonkey
If set to true, the best match will be filled into the textbox as the user types. If false, the default, the value will not be filled in until the user selects an item. As of Gecko 1.9.1, this attribute is now always specified in lower case.