<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT PyObject (attr+)>
<!ATTLIST PyObject
	class CDATA #REQUIRED
>
<!ELEMENT attr (item* | entry* | attr*)>
<!ATTLIST attr
	name CDATA #REQUIRED
	type (None | PyObject | dict | list | numeric | string | tuple) #REQUIRED
	value CDATA #IMPLIED
	class CDATA #IMPLIED
>
<!ELEMENT entry (key, val)>
<!ELEMENT item (item* | attr* | entry*)>
<!ATTLIST item
	type (None | PyObject | dict | list | numeric | string | tuple) #REQUIRED
	value CDATA #IMPLIED
	class CDATA #IMPLIED
>
<!ELEMENT key (item*)>
<!ATTLIST key
	type (numeric | string | tuple) #REQUIRED
	value CDATA #IMPLIED
>
<!ELEMENT val (item* | entry* | attr*)>
<!ATTLIST val
	type (None | PyObject | dict | list | numeric | string | tuple) #REQUIRED
	value CDATA #IMPLIED
	class CDATA #IMPLIED
>