Update to 1.12.3.

*** 1,6 ****
! /*      $Id: tbl_data.c,v 1.24 2011/03/20 16:02:05 kristaps Exp $ */
  /*
   * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
--- 1,6 ----
! /*      $Id: tbl_data.c,v 1.27 2013/06/01 04:56:50 schwarze Exp $ */
  /*
   * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
*** 47,63 ****
                  cp = dp->last->layout->next;
          else if (NULL == dp->last)
                  cp = dp->layout->first;
  
          /* 
!          * Skip over spanners and vertical lines to data formats, since
           * we want to match data with data layout cells in the header.
           */
  
!         while (cp && (TBL_CELL_VERT == cp->pos || 
!                                 TBL_CELL_DVERT == cp->pos ||
!                                 TBL_CELL_SPAN == cp->pos))
                  cp = cp->next;
  
          /*
           * Stop processing when we reach the end of the available layout
           * cells.  This means that we have extra input.
--- 47,61 ----
                  cp = dp->last->layout->next;
          else if (NULL == dp->last)
                  cp = dp->layout->first;
  
          /* 
!          * Skip over spanners, since
           * we want to match data with data layout cells in the header.
           */
  
!         while (cp && TBL_CELL_SPAN == cp->pos)
                  cp = cp->next;
  
          /*
           * Stop processing when we reach the end of the available layout
           * cells.  This means that we have extra input.
*** 102,112 ****
           * until a standalone `T}', are included in our cell.
           */
  
          if (*pos - sv == 2 && 'T' == p[sv] && '{' == p[sv + 1]) {
                  tbl->part = TBL_PART_CDATA;
!                 return(0);
          }
  
          assert(*pos - sv >= 0);
  
          dat->string = mandoc_malloc((size_t)(*pos - sv + 1));
--- 100,110 ----
           * until a standalone `T}', are included in our cell.
           */
  
          if (*pos - sv == 2 && 'T' == p[sv] && '{' == p[sv + 1]) {
                  tbl->part = TBL_PART_CDATA;
!                 return(1);
          }
  
          assert(*pos - sv >= 0);
  
          dat->string = mandoc_malloc((size_t)(*pos - sv + 1));
*** 185,195 ****
  {
          struct tbl_span *dp;
  
          dp = mandoc_calloc(1, sizeof(struct tbl_span));
          dp->line = line;
!         dp->tbl = &tbl->opts;
          dp->layout = rp;
          dp->head = tbl->first_head;
  
          if (tbl->last_span) {
                  tbl->last_span->next = dp;
--- 183,193 ----
  {
          struct tbl_span *dp;
  
          dp = mandoc_calloc(1, sizeof(struct tbl_span));
          dp->line = line;
!         dp->opts = &tbl->opts;
          dp->layout = rp;
          dp->head = tbl->first_head;
  
          if (tbl->last_span) {
                  tbl->last_span->next = dp;