anchor.diff:  
   If the collection being assigned contains a value that does not match the value or text of any options, an `IllegalArgumentException` will be thrown.
   
  -=== checkbox
  +=== Checkbox
   
   Checkboxes are generally checked/unchecked by setting their value to `true` or `false`.
   
  
positive.code: 
  If you attempt to set a select to a value that does not match the value or text of any options, an `IllegalArgumentException` will be thrown.
  
  === multiple select
  
  If the select has the `multiple` attribute it is set with a array or `Collection` of values. Any options not in the values are un-selected. For example…
  
  
negative.code: }
  ----
  
  === Radio
  
  Radio values are set by assigning the value of the radio button that is to be selected or the label text associated with a radio button.
  
  