XML Editor
Code completion
Code completion for attribute.
Code completion for tag based on DTD or XSD.
Content outline
Configurable content outline view.
XBL Editor
Code completion
Code completion for implements attribute, list all possible interfaces.
Code completion for event/keycode/modifiers attributes.
Code completion for Locale.
Auto implements
Auto implements via Implement fields/methods... Context Menu, using Shift key to swtich between field/property tag,
using Ctrl key to switch between onget/onset attribute or getter/setter tag.
Quick outline
Quick outline via Ctrl+O allows you to quickly navigate and inspect your XBL code.
Quick Hierarchy
Quick hierarchy via Ctrl+T allows you inspect hierarchy of your XBL class.