?? conditional.dtd
字號:
<!-- Fig. B.12: conditional.dtd -->
<!-- DTD for conditional section example -->
<!ENTITY % reject "IGNORE">
<!ENTITY % accept "INCLUDE">
<![ %accept; [
<!ELEMENT message ( approved, signature )>
]]>
<![ %reject; [
<!ELEMENT message ( approved, reason, signature )>
]]>
<!ELEMENT approved EMPTY>
<!ATTLIST approved flag ( true | false ) "false">
<!ELEMENT reason ( #PCDATA )>
<!ELEMENT signature ( #PCDATA )>
<!--
**************************************************************************
* (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall. *
* All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
**************************************************************************
-->
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