XML

WebStorm brings powerful support for XML that includes structure validation, formatting (Control+Alt+L) and indentation (Control+Alt+I according to the XML code style, importing unbound namespaces, viewing code structure, unwrapping and removing tags (Control+Shift+Delete), generating DTD files and schemas from instance documents, as well as syntax and error highlighting, code completion (Control+Space), intention actions (Alt+Enter), quick documentation look-up (Control+Q), and more.

WebStorm uses Xerces 2.11, an XML parser developed by Apache Software Foundation Group.

Import XML namespaces

If you use a tag or an attribute from a namespace that is not bound, WebStorm detects the problem and shows a tooltip:

To solve the problem, use the quick-fix that WebStorm suggests.

• Press Alt+Enter. If there are multiple choices, select the desired namespace from the list.

  

• Alternatively, hover over the problem and click Create namespace declaration in the popup that opens. If there are multiple choices, select the desired namespace from the list.