The Quick Assist support improves the development work flow, offering fast access to the most commonly used actions when you edit XML Schema documents.
Quick Assist is activated automatically when the cursor is positioned over the name of a component. It is accessible via a yellow bulb help marker placed on the cursor line, in the editor line number stripe. Also, you can invoke the quick assist menu if you press Alt + 1 keys (Meta + Alt + 1 on Mac OS X) on your keyboard.
Figure: RNG Quick Assist Support
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