NLPF_TOKENBK
if (NLP_ISSET(nlp, NLPF_TOKENBK))
NLP_SET(nlp, NLPF_TOKENBK);
NLP_UNSET(nlp, NLPF_TOKENBK);
NLP_UNSET(nlp, NLPF_TOKENBK);
NLP_UNSET(nlp, NLPF_TOKENBK);
if (NLP_ISSET(nlp, NLPF_TOKENBK))
if (NLP_ISSET(bpp->bp_nlp, NLPF_TOKENBK))
if (NLP_ISSET(nlp, NLPF_TOKENBK) || NLP_ISSET(nlp, NLPF_LEVELBK)) {
if (NLP_ISSET(nlp, NLPF_TOKENBK))