Function skipRemoveSuperset

src/diff.js:1459–1470

(state, removeChanges, delta)

  }

  function skipRemoveSuperset(state, removeChanges, delta) {
    for (var i = 0; i < delta; i++) {
      var changeContent = removeChanges[removeChanges.length - delta + i].substr(1);

      if (state.lines[state.index + i] !== ' ' + changeContent) {
        return false;
      }
    }

    state.index += delta;
    return true;
  }

  function calcOldNewLineCount(lines) {
    var oldLines = 0;