anchor.diff:   | [\uFE4D-\uFE4F]
    | [\uFF10-\uFF19]
    | '\uFF3F'
  - ;+ ;
  
positive.code: next = self._input.LA(1)
  
  if self.opened > 0 or next == '\r' or next == '\n' or next == '#':
      skip()
  else:
      self.emitToken(self.commonToken(self.NEWLINE, newLine))
      indent = self.getIndentationCount(spaces)
      previous = self.indents[0] if self.indents else 0
  
      if indent == previous:
          self.skip()
  
negative.code:         self.indents.append(indent)
          self.emitToken(self.commonToken(LanguageParser.INDENT, spaces))
      else:
          while self.indents and self.indents[-1] > indent:
              self.emitToken(self.createDedent())
              self.indents.pop()
      }
  