Community articleAdvanced Information about the Node Structure
Added by IBM contributorIBM on May 2, 2012
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No abstract provided.

When an XFDL form is stored in memory, it exists as a series of nodes that are linked in a tree structure. As described in The Node Hierarchy, the tree structure follows this hierarchy: form, page, item, option, and argument.
Within a single branch of the tree, all elements of the same level are treated as siblings, each of which has a common parent, and each of which may have its own children.
The following example illustrates the node structure of a simple form, and gives a top-down description of the node structure.