XML by Example

• ENTITY must be the name of an external entity; this is how you assign

an external entity to an attribute.

•

ENTITIES is a list of ENTITY separated by spaces.

• NMTOKEN is essentially a word without spaces.

•

NMTOKENS is a list of NMTOKEN separated by spaces.

• Enumerated-type list is a closed list of nmtokens separated by |, the

value has to be one of the nmtokens. The list of tokens can further be

limited to

NOTATIONs (introduced in the section “Notation,” later in this

chapter).

Optionally, the DTD can specify a default value for the attribute. If the doc-

ument does not include the attribute, it is assumed to have the default

value. The default value ...