docs: def parse_dimension(self, node):
          """
          Parses <Dimension>
  
          @param node: Node containing the <Dimension> element
          @type node: xml.etree.Element
  
          @raise ParseError: When the name is not a string or if the
          dimension is not a signed integer.
          """
  
          try:
              name = node.lattrib['name']
          except:
              self.raise_error('<Dimension> must specify a name')
  
          description = node.lattrib.get('description', '')
  
          dim = dict()
          for d in ['l', 'm', 't', 'i', 'k', 'c', 'n']:
              dim[d] = int(node.lattrib.get(d, 0))
  
          self.model.add_dimension(Dimension(name, description, **dim))