private void keydownBackstroke() {
if (pendingBackstroke != null) {
choiceDestroy(pendingBackstroke.find("a").first());
clearBackstroke();
} else {
pendingBackstroke = searchContainer.siblings("li." + css.searchChoice()).last();
if (options.isSingleBackstrokeDelete()) {
keydownBackstroke();
} else {
pendingBackstroke.addClass(css.searchChoiceFocus());
}
}
}
