<$fieldmangler>
<$list filter="[is[current]!tag[Pinned]]" variable=null>
<$button message="tm-add-tag" param="Pinned" tooltip="Add Pinned tag" class=<<tv-config-toolbar-class>>>
{{$:/PSaT/Pinned/unpinned}}
</$button>
</$list>
<$list filter="[is[current]tag[Pinned]]" variable=null>
<$button $message="tm-remove-tag" param="Pinned" tooltip="Remove Pinned tag" class=<<tv-config-toolbar-class>>>
{{$:/PSaT/Pinned/pinned}}
</$button>
</$list>
</$fieldmangler>