Adds a node using its nodeName attribute. If a node with that name is
already present in this map, it is replaced by the new one. Replacing a
node by itself has no effect.
As the nodeName attribute is used to derive the name which the node must
be stored under, multiple nodes of certain types (those that have a "special"
string value) cannot be stored as the names would clash. This is seen as
preferable to allowing nodes to be aliased.
Adds a node using its nodeName attribute. If a node with that name is already present in this map, it is replaced by the new one. Replacing a node by itself has no effect. As the nodeName attribute is used to derive the name which the node must be stored under, multiple nodes of certain types (those that have a "special" string value) cannot be stored as the names would clash. This is seen as preferable to allowing nodes to be aliased.