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In a large XQuery document, the instructions enclosed in the '{' and '}' characters can be collapsed so that only the needed instructions remain in focus. The same folding features available for XML documents are also available in XQuery documents.

Figure 1. Folding in XQuery Documents

There is available the action Go to Matching Bracket Ctrl + Shift + G (Command + Shift + G on OS X) on contextual menu of XQuery editor for going to matching character when cursor is located at '{' character or '}' character. It helps for finding quickly matching character of current folding element.