docs: def add_content(self, more_content):
          """Add content from source docs and user."""
          sourcename = self.get_sourcename()
  
          if self.object.docs:
              self.add_line('', sourcename)
              for line in self.object.docs.splitlines():
                  self.add_line(line, sourcename)
  
          # add additional content (e.g. from document), if present
          if more_content:
              self.add_line('', sourcename)
              for line, src in zip(more_content.data, more_content.items):
                  self.add_line(line, src[0], src[1])