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55 | <H3><A NAME="SECTION0015624000000000000000"></A><A NAME="dom-documenttype-objects"></A> | |
56 | <BR> | |
57 | 13.6.2.4 DocumentType Objects | |
58 | </H3> | |
59 | ||
60 | <P> | |
61 | Information about the notations and entities declared by a document | |
62 | (including the external subset if the parser uses it and can provide | |
63 | the information) is available from a <tt class="class">DocumentType</tt> object. The | |
64 | <tt class="class">DocumentType</tt> for a document is available from the | |
65 | <tt class="class">Document</tt> object's <tt class="member">doctype</tt> attribute; if there is no | |
66 | <code>DOCTYPE</code> declaration for the document, the document's | |
67 | <tt class="member">doctype</tt> attribute will be set to <code>None</code> instead of an | |
68 | instance of this interface. | |
69 | ||
70 | <P> | |
71 | <tt class="class">DocumentType</tt> is a specialization of <tt class="class">Node</tt>, and adds the | |
72 | following attributes: | |
73 | ||
74 | <P> | |
75 | <dl><dt><b><tt id='l2h-4387' xml:id='l2h-4387' class="member">publicId</tt></b></dt> | |
76 | <dd> | |
77 | The public identifier for the external subset of the document type | |
78 | definition. This will be a string or <code>None</code>. | |
79 | </dl> | |
80 | ||
81 | <P> | |
82 | <dl><dt><b><tt id='l2h-4388' xml:id='l2h-4388' class="member">systemId</tt></b></dt> | |
83 | <dd> | |
84 | The system identifier for the external subset of the document type | |
85 | definition. This will be a URI as a string, or <code>None</code>. | |
86 | </dl> | |
87 | ||
88 | <P> | |
89 | <dl><dt><b><tt id='l2h-4389' xml:id='l2h-4389' class="member">internalSubset</tt></b></dt> | |
90 | <dd> | |
91 | A string giving the complete internal subset from the document. | |
92 | This does not include the brackets which enclose the subset. If the | |
93 | document has no internal subset, this should be <code>None</code>. | |
94 | </dl> | |
95 | ||
96 | <P> | |
97 | <dl><dt><b><tt id='l2h-4390' xml:id='l2h-4390' class="member">name</tt></b></dt> | |
98 | <dd> | |
99 | The name of the root element as given in the <code>DOCTYPE</code> | |
100 | declaration, if present. | |
101 | </dl> | |
102 | ||
103 | <P> | |
104 | <dl><dt><b><tt id='l2h-4391' xml:id='l2h-4391' class="member">entities</tt></b></dt> | |
105 | <dd> | |
106 | This is a <tt class="class">NamedNodeMap</tt> giving the definitions of external | |
107 | entities. For entity names defined more than once, only the first | |
108 | definition is provided (others are ignored as required by the XML | |
109 | recommendation). This may be <code>None</code> if the information is not | |
110 | provided by the parser, or if no entities are defined. | |
111 | </dl> | |
112 | ||
113 | <P> | |
114 | <dl><dt><b><tt id='l2h-4392' xml:id='l2h-4392' class="member">notations</tt></b></dt> | |
115 | <dd> | |
116 | This is a <tt class="class">NamedNodeMap</tt> giving the definitions of notations. | |
117 | For notation names defined more than once, only the first definition | |
118 | is provided (others are ignored as required by the XML | |
119 | recommendation). This may be <code>None</code> if the information is not | |
120 | provided by the parser, or if no notations are defined. | |
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159 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> | |
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