boolean isCollapsed = editorInteractor.getHtmlSelection() != null &&
editorInteractor.getHtmlSelection().isCollapsed();
boolean isReplace = false;
if (isCollapsed) {
MoveUnit moveUnit = event.getMoveUnit();
if (moveUnit != MoveUnit.CHARACTER) {
if (event.getMoveUnit() == MoveUnit.WORD) {
if (event.getKeyCode() == KeyCodes.KEY_BACKSPACE) {
refreshEditorWithCaret(event);
caret = cachedSelection.getFocus();