<!--

a attribute is an attribute name usually beginning with the @ character

i attribute is the id of the object if circular references are used

-->

<!ENTITY % common_attrs

"a CDATA #IMPLIED

i IDREF #IMPLIED" >

<!ENTITY % any "(a*, b*, c*, f*, g*, h*, i*, j*, l*, m*, n*, o*, p*, r*, s*, t*, u*, v*, x*, y*, z*)*">

<!ELEMENT o %any;>

<!ATTLIST o

%common_attrs;

c CDATA #REQUIRED> <!-- c attribute identifies the class of the serialized object -->

<!ELEMENT a %any;> <!-- Array -->

<!ATTLIST a %common_attrs;>

<!ELEMENT b (#PCDATA)> <!-- Base64 encoded String -->

<!ATTLIST b %common_attrs;>

<!ELEMENT c (#PCDATA)> <!-- Class -->

<!ATTLIST c %common_attrs;>

<!ELEMENT f (#PCDATA)> <!-- Float -->

<!ATTLIST f %common_attrs;>

<!ELEMENT g (#PCDATA)> <!-- Regexp -->

<!ATTLIST g %common_attrs;>

<!ELEMENT h %any;> <!-- Hash -->

<!ATTLIST h %common_attrs;>

<!ELEMENT i (#PCDATA)> <!-- Fixnum in base 10, e.g., -1234 -->

<!ATTLIST i %common_attrs;>

<!ELEMENT j (#PCDATA)> <!-- Bignum -->

<!ATTLIST j %common_attrs;>

<!ELEMENT l (#PCDATA)> <!-- Rational -->

<!ATTLIST l %common_attrs;>

<!ELEMENT m (#PCDATA)> <!-- Symbol -->

<!ATTLIST m %common_attrs;>

<!ELEMENT n EMPTY> <!-- False -->

<!ATTLIST n %common_attrs;>

<!ELEMENT p (#PCDATA)> <!-- Ref -->

<!ATTLIST p %common_attrs;>

<!ELEMENT r (#PCDATA)> <!-- Range -->

<!ATTLIST r %common_attrs;>

<!ELEMENT s (#PCDATA)> <!-- String -->

<!ATTLIST s %common_attrs;>

<!ELEMENT t (#PCDATA)> <!-- Time -->

<!ATTLIST t %common_attrs;>

<!ELEMENT u %any;> <!-- Struct -->

<!ATTLIST u %common_attrs;>

<!ELEMENT v (#PCDATA)> <!-- Complex -->

<!ATTLIST v %common_attrs;>

<!ELEMENT x (#PCDATA)> <!-- Raw XML embedded document -->

<!ATTLIST x %common_attrs;>

<!ELEMENT y EMPTY> <!-- True -->

<!ATTLIST y %common_attrs;>

<!ELEMENT z EMPTY> <!-- Nil -->

<!ATTLIST z %common_attrs;>