((atx_heading
  (atx_h1_marker) @_h1
  (_) @h1))
((atx_heading
  (atx_h2_marker) @_h2
  (_) @h2))
((atx_heading
  (atx_h3_marker) @_h3
  (_) @h3))
((atx_heading
  (atx_h4_marker) @_h4
  (_) @h4))
((atx_heading
  (atx_h5_marker) @_h5
  (_) @h5))