Usage: an implementation of this interface is supplied and you must use it as is. You should not reimplement it.
interface CATIDOMEntityReference
Interface for object which may be inserted into the structure
model when an entity reference is in the source document, or when the
user wishes to insert an entity reference.
Note that character references
and references to predefined entities are considered to be expanded by
the HTML or XML processor so that characters are represented by their
Unicode equivalent rather than by an entity reference. Moreover, the XML
processor may completely expand references to entities while building the
structure model, instead of providing objects. If it does provide such objects, then for a given
node, it may be that there is no
node representing the referenced entity. If such an
exists, then the subtree of the
node is in general a copy of the
node subtree. However, this may not be true when an entity contains an unbound namespace prefix. In such a case, because the
namespace prefix resolution depends on where the entity reference is, the
descendants of the
node may be bound to different namespace URIs.
As for nodes, nodes and all their descendants are readonly.
See also the Document Object Model (DOM) Level 2 Core Specification.
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