Function notMod

frontend/util/keyutil.ts:130–132

(keyPressMod: boolean, eventMod: boolean)

}

function notMod(keyPressMod: boolean, eventMod: boolean) {
    return (keyPressMod && !eventMod) || (eventMod && !keyPressMod);
}

function isCharacterKeyEvent(event: WaveKeyboardEvent): boolean {
    if (event.alt || event.meta || event.control) {