* 'cssclass' -- CSS class
* 'csshelpclass' -- CSS class used to style help text
* 'dir' -- Direction of the element.
- * 'options' -- associative array mapping labels to values.
+ * 'options' -- associative array mapping raw text labels to values.
* Some field types support multi-level arrays.
+ * Overwrites 'options-message'.
* 'options-messages' -- associative array mapping message keys to values.
* Some field types support multi-level arrays.
+ * Overwrites 'options' and 'options-message'.
* 'options-message' -- message key or object to be parsed to extract the list of
* options (like 'ipbreason-dropdown').
* 'label-message' -- message key or object for a message to use as the label.
* 'help-messages' -- array of message keys/objects. As above, each item can
* be an array of msg key and then parameters.
* Overwrites 'help'.
+ * 'help-inline' -- Whether help text (defined using options above) will be shown
+ * inline after the input field, rather than in a popup.
+ * Defaults to true. Only used by OOUI form fields.
* 'notice' -- message text for a message to use as a notice in the field.
* Currently used by OOUI form fields only.
* 'notice-messages' -- array of message keys/objects to use for notice.