var t1 =
[ '#demo',
  [ 'h1#logo', 'Static Example', { style: 'color:blue' } ],
  [ 'p', 'some example text' ],
  [ 'ul#list.bullets',
    [ 'li', 'item1' ],
    [ 'li.active', 'item2' ],
    [ 'li', [Object] ] ] ]

//-------------------

var t2 =
[ '#demo',
  [ 'h1#logo', 'Static Example', { style: 'color:red' } ],
  [ 'p', 'some example text' ],
  [ 'ul#list.bullets',
    [ 'li', 'item1' ],
    [ 'li.active', 'item3' ],
    [ 'li', [Object] ],
    [ 'li', [Object] ] ] ]

//-------------------

var patch =
[ { kind: 'E',
    path: [ 1, 2, 'style' ],
    lhs: 'color:blue',
    rhs: 'color:red' },
  { kind: 'E', path: [ 3, 2, 1 ], lhs: 'item2', rhs: 'item3' },
  { kind: 'E',
    path: [ 3, 3, 1, 2, 'href' ],
    lhs: '#',
    rhs: '#asdf' },
  { kind: 'A',
    path: [ 3 ],
    index: 4,
    item: { kind: 'N', rhs: [Object] } } ]

//-------------------