sum() operator

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A v4.0.0 operator sum() adds lists. (See sum_if() for a related new operator)


visits each note described by where and adds the value of the designated attribute to the total.

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 the current word count of the children of the note.

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[Last updated: 3 Dec 2008]

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