Update to 1.12.3.

*** 1,6 ****
! /*      $Id: libman.h,v 1.55 2011/11/07 01:24:40 schwarze Exp $ */
  /*
   * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
--- 1,6 ----
! /*      $Id: libman.h,v 1.56 2012/11/17 00:26:33 schwarze Exp $ */
  /*
   * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
*** 37,47 ****
          struct man_node *first; /* the first parsed node */
          struct man_meta  meta; /* document meta-data */
          struct roff     *roff;
  };
  
! #define MACRO_PROT_ARGS   struct man *m, \
                            enum mant tok, \
                            int line, \
                            int ppos, \
                            int *pos, \
                            char *buf
--- 37,47 ----
          struct man_node *first; /* the first parsed node */
          struct man_meta  meta; /* document meta-data */
          struct roff     *roff;
  };
  
! #define MACRO_PROT_ARGS   struct man *man, \
                            enum mant tok, \
                            int line, \
                            int ppos, \
                            int *pos, \
                            char *buf
*** 59,72 ****
  
  extern  const struct man_macro *const man_macros;
  
  __BEGIN_DECLS
  
! #define           man_pmsg(m, l, p, t) \
!                   mandoc_msg((t), (m)->parse, (l), (p), NULL)
! #define           man_nmsg(m, n, t) \
!                   mandoc_msg((t), (m)->parse, (n)->line, (n)->pos, NULL)
  int               man_word_alloc(struct man *, int, int, const char *);
  int               man_block_alloc(struct man *, int, int, enum mant);
  int               man_head_alloc(struct man *, int, int, enum mant);
  int               man_tail_alloc(struct man *, int, int, enum mant);
  int               man_body_alloc(struct man *, int, int, enum mant);
--- 59,72 ----
  
  extern  const struct man_macro *const man_macros;
  
  __BEGIN_DECLS
  
! #define           man_pmsg(man, l, p, t) \
!                   mandoc_msg((t), (man)->parse, (l), (p), NULL)
! #define           man_nmsg(man, n, t) \
!                   mandoc_msg((t), (man)->parse, (n)->line, (n)->pos, NULL)
  int               man_word_alloc(struct man *, int, int, const char *);
  int               man_block_alloc(struct man *, int, int, enum mant);
  int               man_head_alloc(struct man *, int, int, enum mant);
  int               man_tail_alloc(struct man *, int, int, enum mant);
  int               man_body_alloc(struct man *, int, int, enum mant);