process_linebreak
process_linebreak(cache, 0);
process_linebreak(cache, 1);
process_linebreak(cache, -1);
process_linebreak(cache, 1);
process_linebreak(cache, -1);
process_linebreak(cache, 1);
process_linebreak(cache, -1);
process_linebreak(cache, 0);
process_linebreak(cache, 1);
process_linebreak(cache, -1);
process_linebreak(cache, 1);
process_linebreak(cache, -1);
process_linebreak(cache, 1);
process_linebreak(cache, -1);
process_linebreak(NULL, df->data.linebreak);