'Append text nodes into L{Content.data}
Here is where the I{true} type is used to translate the value
into the proper python type.
@param content: The current content being unmarshalled.
@type content: L{Content}'

def append_text(self, content):

    Core.append_text(self, content)
    known = self.resolver.top().resolved
    content.text = self.translated(content.text, known)
