Method deletePrevious

lib/token.cpp:292–310

}

void Token::deletePrevious(nonneg int count)
{
    while (mPrevious && count > 0) {
        Token *p = mPrevious;

        // #8154 we are about to be unknown -> destroy the link to us
        if (p->mLink && p->mLink->mLink == p)
            p->mLink->link(nullptr);

        mPrevious = p->previous();
        delete p;
        --count;
    }

    if (mPrevious)
        mPrevious->next(this);
    else
        mTokensFrontBack->front = this;
}

void Token::swapWithNext()
{