15 lines
281 B
XML
Executable File
15 lines
281 B
XML
Executable File
<!DOCTYPE doc
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[
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<!ELEMENT doc (a|refs)*>
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<!ELEMENT a EMPTY>
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<!ELEMENT refs EMPTY>
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<!ATTLIST refs refs IDREFS #REQUIRED>
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<!ATTLIST a id ID #REQUIRED>
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]>
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<doc>
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<a id="A1"/><a id="A2"/><a id="A3"/>
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<refs refs="A1 A2 A3"/>
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<refs refs="A1
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A2 A3"/>
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<refs refs="A1"/>
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</doc> |