9 lines
217 B
XML
9 lines
217 B
XML
<?xml version="1.0"?>
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<!DOCTYPE doc [
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<!ELEMENT doc ((a | b | c) , d)?>
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<!ELEMENT a (#PCDATA)>
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<!ELEMENT b (#PCDATA)>
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<!ELEMENT c (#PCDATA)>
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<!ELEMENT d (#PCDATA)>
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]>
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<doc><b>This</b><d> is a valid document</d></doc>
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