2.2. XML Structure Before and After Parsing
The process of parsing takes a flat character stream including markup and creates a structured dataset, whose structure is determined by and reflected in the markup. This section describes more of what goes into and what comes out of a schema processor.
2.2.1. XML Documents
XML documents consist of elements. We shall assume that element is a class and that all elements are instances of that class. Element puts restrictions on its instances:
Each instance must be a string of characters.
It must begin with a start-tag and end with an end-tag, or it must be an empty-element tag.
There are various other restrictions as well.
All XML tags contain a type name that is used during DTD-based validation to determine ...
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