You can reach into the depth of XML compound documents because xfy natively processes XML instead of emulating by converting to/from proprietary internal representations.
Nevertheless, XML authoring made ever easy with xfy, because its full WYSIWYG user interface.
XML compound document can be created via direct XML expression editing, or via WYSIWYG operation or both at same time, side-by-side. xfy provides flexible options to a document author.
Sample Programs:
*DT applications Lite document creation
*DT editing inlinemarkup editing sample
*DT compound compound XML documents without using XVCD