15 lines
365 B
DTD
15 lines
365 B
DTD
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<!DOCTYPE library [
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<!ELEMENT library (book+)>
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<!ELEMENT book (title, author, genre, year)>
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<!ELEMENT title (#PCDATA)>
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<!ELEMENT author (#PCDATA)>
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<!ELEMENT genre (#PCDATA)>
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<!ELEMENT year (#PCDATA)>
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<!ATTLIST book ISBN CDATA #REQUIRED>
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<!ATTLIST book available CDATA #REQUIRED>
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<!ATTLIST book publisher CDATA #IMPLIED>
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<!ATTLIST book language CDATA #IMPLIED>
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]>
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