invalid-mixed.xml

java 编程源代码

<?xml version = "1.0" standalone = "yes"?>

<!-- Fig. B.5 : invalid-mixed.xml -->
<!-- Mixed content type elements  -->

<!DOCTYPE format [
   <!ELEMENT format ( #PCDATA | bold , italic )>
   <!ELEMENT bold ( #PCDATA )>
   <!ELEMENT italic ( #PCDATA )>
]>

<format>
   Book catalog entry:
   <bold>XML</bold>
   <italic>XML How to Program</italic>
   This book carefully explains XML-based systems development.
</format>

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