<element xmlns="http://relaxng.org/ns/structure/1.0" name="ruleset" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">

<attribute name="name" />

<optional>

<attribute name="match_rule" />

</optional>

<optional>

<attribute name="default_off" />

</optional>

<optional>

<attribute name="platform">

<data type="string">

<param name="pattern">(firefox|chromium|cacert|ipsca|mixedcontent)( (firefox|chromium|cacert|ipsca|mixedcontent))*</param>

</data>

</attribute>

</optional>

<interleave>

<zeroOrMore>

<element name="test">

<attribute name="url">

<data type="string">

<param name="pattern">http[^\\]+</param>

</data>

</attribute>

</element>

</zeroOrMore>

<oneOrMore>

<element name="target">

<attribute name="host">

<data type="string">

<param name="pattern">(([A-Za-z0-9äö_-]+|\*)\.)*([A-Za-z0-9äö-]+|\*)</param>

</data>

</attribute>

</element>

</oneOrMore>

<zeroOrMore>

<element name="exclusion">

<attribute name="pattern" />

</element>

</zeroOrMore>

<zeroOrMore>

<element name="securecookie">

<attribute name="host"/>

<data type="string">

<param name="pattern">[^/]*</param>

</data>

<attribute name="name"/>

</element>

</zeroOrMore>

<oneOrMore>

<element name="rule">

<attribute name="from">

<data type="string">

<!-- The from attribute of a rule must start with a caret.

<param name="pattern">(\^.*//.*/.*|\^http:)</param>

</data>

</attribute>

<attribute name="to">

<data type="string">

<!-- The to attribute of a rule must not contain spaces or

<param name="pattern">(https?://[^ \\]*/[^ \\]*|https:)</param>

</data>

</attribute>

<optional>

<attribute name="downgrade" />

</optional>

</element>

</oneOrMore>

</interleave>

</element>