code: def relprop(self):
          '''
          :foo:bar
          '''
          self.ignore(whitespace)
  
          self.nextmust(':')
  
          name = self.noms(varset)
          if not name:
              self._raiseSyntaxError('empty relative property name')
  
          return s_ast.RelProp(namef relprop(self):
          '''
          :foo:bar
          '''
          self.ignore(whitespace)
  
          self.nextmust(':')
  
          name = self.noms(varset)
          if not name:
              self._raiseSyntaxError('empty relative property name')
  
          return s_ast.RelProp(name)
docs: :foo:bar