kotti/templates/deform/tag_it.pt
<input name="${field.name}" id="${field.oid}" type="text" title="Tags"
tal:attributes="value ','.join(cstruct)" i18n:attributes="title" />
<script type="text/javascript">
deform.addCallback(
'${field.oid}',
function(oid) {
$('#' + oid).tagit({
availableTags: ${field.widget.available_tags},
allowSpaces: true
});
}
)
</script>