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  • 5.1.5 Studying Directory Structures (Hierarchical Data)

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This file is formatted in TreeML (.xml) a fairly way easy to implement schema written in XML. TreeML files consist of a list of declarations and a series of branches ending in leaves. Below is a sample of the Sci2 Directory Structure TreeML file. The <branch> tag indicates a node that has children in the hierarchy, whereas the <leaf> tag indicates a node that has no children, so a node at the lowest level of the hierarchy: