= f.autocomplete_field :tag_names, autocomplete_tag_name_ideas_path,
   'data-delimiter' => ',', :multiple => true,
   :example => EXAMPLE_TAGS, :class => "input-text big"

= f.autocomplete_field :tag_names, autocomplete_tag_name_ideas_path,
   'data-delimiter' => ',', :multiple => true,
   :placeholder => EXAMPLE_TAGS, :class => "input-text big"

Fix placeholder text in tag editor
Fix placeholder text in tag editor

'example' doesn't appear to work, or was changed to 'placeholder' if it
once did. Fix the attribute name to properly fill in the form field
with the example text.
