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Operator Type:   Set creation
Operator Scope of Action:   Group

A function collect() builds sets. (See collect_if() for a related new operator)


builds a set by visiting each note described by where and adding the value of the designated attribute to the set.

where may be any of {child,descendent,sibling,ancestor,all}. In addition, where may be argument that designates a particular (single) note other than this.

what can be any expression, but is typically an attribute.

For example,


constructs a set with the name of each child of the note.

For example,


does the same for children of the note 'books' inside 'agents'.

Up: Set creation operators
  Next: collect_if(group,condition,attribute) 

[Last updated: 14 Dec 2009, using v5.0]

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