8 lines
211 B
DTD
8 lines
211 B
DTD
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<?xml version="1.0" encoding="UTF-8"?>
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<!ELEMENT publishers (publisher*)>
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<!ELEMENT publisher (p_name,addres)>
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<!ATTLIST publisher ISBN IDREFS #REQUIRED>
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<!ELEMENT p_name (#PCDATA)>
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<!ELEMENT addres (#PCDATA)>
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