nextb            1723 src/regexp.c       unsigned char nextb, prevb;
nextb            1727 src/regexp.c       nextb = (unsigned char)*input;
nextb            1731 src/regexp.c       if ((is_word_constituent(nextb) && !is_word_constituent(prevb))
nextb            1732 src/regexp.c           || (!is_word_constituent(nextb) && is_word_constituent(prevb))) {