<!ELEMENT tcf (tweak+)>
<!ELEMENT tweak (description?, complexity?, script, alwaysaskuser?, options)>
  <!ATTLIST tweak name CDATA #REQUIRED>
<!ELEMENT description (#PCDATA)>
<!ELEMENT complexity (#PCDATA)>
<!ELEMENT script (#PCDATA)>
<!ELEMENT alwaysaskuser (#PCDATA)>
<!ELEMENT options (option+)>
<!ELEMENT option (description?, complexity?, recommendationlevel?)>
  <!ATTLIST option name CDATA #REQUIRED>
<!ELEMENT recommendationlevel (#PCDATA)>