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Document Type Definition FilesHowever you generate your XML files, they must conform to the definitions in BillerXpert’s DTD (Document Type Definition) files. DTD files define all the tags used in a corresponding XML file. DTD information can also be included in an XML file. Each element in the DTD file defines a tag used in an XML document associated with the DTD. The following is an example of a DTD element declaration.XML files are often associated with DTD information, and some XML parsers use the DTD file for data validation However, in BillerXpert 1.0, DTD information is used only for reference, and are not mandatory. In BillerXpert 1.0, DTD files are only for developer reference--to show
you how to construct your own XML files. The DTD files are essentially
templates to help you in constructing data files that do particular actions
in BillerXpert.
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