<!-- This is the Quotation Exchange Language, version 2.0, dated Feb
     27 2001.  It should be used with the formal public identifier:

        +//IDN python.org//DTD Quotation Exchange Language 2.0//EN//XML

     One valid system identifier at which this DTD will remain
     available is:

        http://www.python.org/topics/xml/dtds/qel-2.0.dtd

     More information on the DTD is available at:

        http://www.amk.ca/qel/

    Attributes which take date/time values should encode the value
    according to the W3C NOTE on date/time formats:

        http://www.w3.org/TR/NOTE-datetime
  -->

  <!-- Reduce the number of HTMLish elements available from QEL -->
<!ENTITY % vert "p">
<!ENTITY % horiz "#PCDATA | abbr | acronym | br | cite | code | 
                  em | foreign | q | pre">

<!ENTITY % ibtwsh PUBLIC "-//XML-DEV List//DTD IBTWSH 6.0//EN" "ibtwsh6.dtd">
%ibtwsh;

<!--Embedded quotations from a foreign language (italics)-->
<!ELEMENT foreign %horiz.model;>
<!ATTLIST foreign
	%basic;>

<!ATTLIST pre xml:space (default|preserve) 'preserve'>

<!-- Include the IBTWSH DTD to define the XHTML Basic subset used for 
     rich text formatting. -->

<!ELEMENT quotations (quotation)*>

<!ELEMENT quotation ( %struct.model;, 
                      author?, source?, note?) >
<!ATTLIST quotation id   ID     #IMPLIED
                    date CDATA  #IMPLIED>

<!ELEMENT author %horiz.model;>
<!ELEMENT source %horiz.model;>
<!ELEMENT note %struct.model;>

<!-- Different forms of emphasis for phrases -->