private static int Txt_calc( Texvc_ctx ctx, Texvc_root root, byte[] src, int src_len, int bgn_pos, int txt_bgn, int txt_uid) { if (txt_uid == -1) // no existing txt_tkn; create new one txt_uid = root.Regy__add(Texvc_tkn_.Tid__text, Texvc_tkn_.Tid__text, txt_bgn, bgn_pos, null); else // existing txt_tkn; happens for false matches; EX: abc[[\nef[[a]]; see NOTE_1 root.Regy__update_end(txt_uid, bgn_pos); return txt_uid; }