class RDoc::Markdown

def _HtmlAttribute
  _save = self.pos
  while true # sequence
    _save1 = self.pos
    _save2 = self.pos
    while true # choice
      _tmp = apply(:_AlphanumericAscii)
      break if _tmp
      self.pos = _save2
      _tmp = match_string("-")
      break if _tmp
      self.pos = _save2
      break
    end # end choice
    if _tmp
      while true
        _save3 = self.pos
        while true # choice
          _tmp = apply(:_AlphanumericAscii)
          break if _tmp
          self.pos = _save3
          _tmp = match_string("-")
          break if _tmp
          self.pos = _save3
          break
        end # end choice
        break unless _tmp
      end
      _tmp = true
    else
      self.pos = _save1
    end
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_Spnl)
    unless _tmp
      self.pos = _save
      break
    end
    _save4 = self.pos
    _save5 = self.pos
    while true # sequence
      _tmp = match_string("=")
      unless _tmp
        self.pos = _save5
        break
      end
      _tmp = apply(:_Spnl)
      unless _tmp
        self.pos = _save5
        break
      end
      _save6 = self.pos
      while true # choice
        _tmp = apply(:_Quoted)
        break if _tmp
        self.pos = _save6
        _save7 = self.pos
        _save8 = self.pos
        while true # sequence
          _save9 = self.pos
          _tmp = match_string(">")
          _tmp = _tmp ? nil : true
          self.pos = _save9
          unless _tmp
            self.pos = _save8
            break
          end
          _tmp = apply(:_Nonspacechar)
          unless _tmp
            self.pos = _save8
          end
          break
        end # end sequence
        if _tmp
          while true
            _save10 = self.pos
            while true # sequence
              _save11 = self.pos
              _tmp = match_string(">")
              _tmp = _tmp ? nil : true
              self.pos = _save11
              unless _tmp
                self.pos = _save10
                break
              end
              _tmp = apply(:_Nonspacechar)
              unless _tmp
                self.pos = _save10
              end
              break
            end # end sequence
            break unless _tmp
          end
          _tmp = true
        else
          self.pos = _save7
        end
        break if _tmp
        self.pos = _save6
        break
      end # end choice
      unless _tmp
        self.pos = _save5
      end
      break
    end # end sequence
    unless _tmp
      _tmp = true
      self.pos = _save4
    end
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_Spnl)
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence
  set_failed_rule :_HtmlAttribute unless _tmp
  return _tmp
end