Function killTo

src/codemirror.js:9077–9084

(cm, by, dir)

  }

  function killTo(cm, by, dir) {
    var selections = cm.listSelections(), cursor;
    var i = selections.length;
    while (i--) {
      cursor = selections[i].head;
      kill(cm, cursor, findEnd(cm, cursor, by, dir), true);
    }
  }

  function killRegion(cm) {
    if (cm.somethingSelected()) {