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<!-- This is the XML Bookmarks Exchange Language, version 1.0. It
should be used with the formal public identifier:
+//IDN python.org//DTD XML Bookmark Exchange Language 1.0//EN//XML
One valid system identifier at which this DTD will remain
available is:
http://pyxml.sourceforge.net/topics/dtds/xbel-1.0.dtd
More information on the DTD, including reference
documentation, is available at:
http://www.python.org/topics/xml/xbel/
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
-->
<!-- Customization entities. Define these before "including" this DTD
to create "subclassed" DTDs.
-->
<!ENTITY % local.node.att "">
<!ENTITY % local.url.att "">
<!ENTITY % local.nodes.mix "">
<!ENTITY % node.att "id ID #IMPLIED
added CDATA #IMPLIED
%local.node.att;">
<!ENTITY % url.att "href CDATA #REQUIRED
visited CDATA #IMPLIED
modified CDATA #IMPLIED
%local.url.att;">
<!ENTITY % nodes.mix "bookmark|folder|alias|separator
%local.nodes.mix;">
<!ELEMENT xbel (title?, info?, desc?, (%nodes.mix;)*)>
<!ATTLIST xbel
%node.att;
version CDATA #FIXED "1.0"
>
<!ELEMENT title (#PCDATA)>
<!--=================== Info ======================================-->
<!ELEMENT info (metadata+)>
<!ELEMENT metadata EMPTY>
<!ATTLIST metadata
owner CDATA #REQUIRED
>
<!--=================== Folder ====================================-->
<!ELEMENT folder (title?, info?, desc?, (%nodes.mix;)*)>
<!ATTLIST folder
%node.att;
folded (yes|no) 'yes'
>
<!--=================== Bookmark ==================================-->
<!ELEMENT bookmark (title?, info?, desc?)>
<!ATTLIST bookmark
%node.att;
%url.att;
>
<!ELEMENT desc (#PCDATA)>
<!--=================== Separator =================================-->
<!ELEMENT separator EMPTY>
<!--=================== Alias =====================================-->
<!-- <alias> elements correspond to Netscape bookmark aliases. The
required "ref" attribute must refer to a <bookmark> or <folder>
element. Note that MSIE aliases can refer to folders, so that is
supported in XBEL. Applications must be careful about traversing
aliases to folders to avoid improper recursion through circular
data structures.
-->
<!ELEMENT alias EMPTY>
<!ATTLIST alias
ref IDREF #REQUIRED
>
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