- The window element holds all other elements.
- The box element describes positioning of contained elements.
- The menubar, menu, menupopup,
menuitem, and menuseperator elements are used to build
menus.
- On the Mac, XUL menus are hoisted into the system menubar.
- Linux and Windows display menus in the window.
- The toolbox element contains other elements in a collapsible
box.
- The toolbar element is used to build button bars.
- The splitter element creates a drag-able splitter between
two UI elements.
- The spring element takes up space.
- [see
the full reference
for details]
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