Hi,

I would like to have an editable DropDownList in my ruby on rails application. The user should be able to select a value from the list of choices, or type in a new value (in one of the empty options in the list of choices) if no predefined choice is applicable.

I tried the { :include_blank => 'True'} option but it just provides a blank option included with a set of options for the drop-down list. Here is my code:...