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S t r u c t u r e a p p l i c a t i o n d e v e l o p m e n t
modifying those documents. If you start without a model on either side, however, you have
the freedom to design the EDD and the DTD with its counterpart in mind. If you have this
freedom, the application design process may be easier.
Structure application development
Markup data and structure in FrameMaker have many similarities. To describe the
hierarchical nature of documents, both use special methods to define the elements that can
occur in a document instance, and the relationships among those elements. In markup,
these elements are defined in a DTD, and in FrameMaker they are defined in an EDD.
Within particular document instances, both use descriptive tags to identify each instance of
a structural element. The tags in the document content correlate to the element definitions
found in the DTD or the EDD, as shown in the following illustration. The top of the illustration
shows pages of SGML and FrameMaker documents, while the bottom shows a DTD and
EDD, respectively. The highlighted portion of the SGML document corresponds to the
highlighted definition for <list> in the corresponding DTD. The FrameMaker page and
EDD illustrate a similar correspondence.
Structure Application Developer's Guide
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