code: def determine_if_whitespace(self):
          
          value = self.current.value
  
          if value == '\n':
              self.is_space = True
          else:
              self.is_space = False
              if (value == '' or regexes['whitespace'].match(value)):
                  self.is_space = True
docs: Set is_space if current token is whitespace
              Is space if value is:
               * Newline
               * Empty String
               * Something that matches regexes['whitespace']