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XML namespaces are used for providing uniquely named elements and attributes in an XML document. They are defined in a W3C recommendation. [1] [2] An XML instance may contain element or attribute names from more than one XML vocabulary. If each vocabulary is given a namespace, the ambiguity between identically named elements or attributes can ...
A QName, or qualified name, is the fully qualified name of an element, attribute, or identifier in an XML document. A QName concisely associates the URI of an XML namespace with the local name of an element, attribute, or identifier in that namespace. [1] To make this association, the QName assigns the local name a prefix that corresponds to ...
In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.
A pull parser creates an iterator that sequentially visits the various elements, attributes, and data in an XML document. Code that uses this iterator can test the current item (to tell, for example, whether it is a start-tag or end-tag, or text), and inspect its attributes (local name, namespace, values of XML attributes, value of text, etc ...
Attribute declarations, which define properties of attributes. Again the properties include the attribute name and target namespace. The attribute type constrains the values that the attribute may take. An attribute declaration may also include a default value or a fixed value (which is then the only value the attribute may take.)
Name (attribute name): must refer to a field in the data dictionary; Usage type (attribute usageType): defines the way a field is to be used in the model. Typical values are: active, predicted, and supplementary. Predicted fields are those whose values are predicted by the model.
xCBL: a collection of XML specifications for use in e-business. xCal: the XML-compliant representation of the iCalendar standard; XCES: an XML based standard to codify text corpus; XDI: sharing, linking, and synchronizing data using machine-readable structured documents that use an RDF vocabulary based on XRI structured identifiers
the effective value of the attribute can only be a valid identifier (or a space-separated list of such identifiers) and must be referencing the unique element defined in the document with an attribute declared with the type ID in the DTD (or the unique element defined in an XML document with a pseudo-attribute "xml:id") and whose effective ...