Have the htmlParser decoding HTML entities in attributes.
Scoped the downcast call to the widget itself.
Do not cancel doubleclick if nothing happens.
Introduce the Image Caption plugin for Drupal.
Added the toolbar button.
Made the theme available by default.
Toggle the caption visibility on double-click.
Added "nocaption" check on downcasting.
Added the example "tips".
Data-widget attributes are not needed any more in templates.