shut up about tabs in SYNOPSIS .Fd lines, there is no good way to avoid them

[mandoc.git] / mdoc_validate.c

diff --git a/mdoc_validate.c b/mdoc_validate.c
index da4ad5defde33b8284fc297106e7ad7715d33151..f37e4c3734fd63218497ed6cc738936f35c0989f 100644 (file)
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -1,7 +1,7 @@
-/*     $Id: mdoc_validate.c,v 1.226 2014/07/04 16:12:08 schwarze Exp $ */
+/*     $Id: mdoc_validate.c,v 1.279 2015/02/14 13:23:57 schwarze Exp $ */

 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>

- * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>

  * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any


@@ -16,16 +16,13 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */

-#ifdef HAVE_CONFIG_H

 #include "config.h"
 #include "config.h"

-#endif

 
 

+#include <sys/types.h>

 #ifndef OSNAME
 #include <sys/utsname.h>
 #endif
 
 #ifndef OSNAME
 #include <sys/utsname.h>
 #endif
 

-#include <sys/types.h>
-

 #include <assert.h>
 #include <ctype.h>
 #include <limits.h>
 #include <assert.h>
 #include <ctype.h>
 #include <limits.h>


@@ -51,203 +48,141 @@ enum      check_ineq {
        CHECK_EQ
 };
 
        CHECK_EQ
 };
 

-enum   check_lvl {
-       CHECK_WARN,
-       CHECK_ERROR,
-};
-
-typedef        int     (*v_pre)(PRE_ARGS);
-typedef        int     (*v_post)(POST_ARGS);
+typedef        void    (*v_pre)(PRE_ARGS);
+typedef        void    (*v_post)(POST_ARGS);

 
 struct valids {
 
 struct valids {

-       v_pre   *pre;
-       v_post  *post;
+       v_pre    pre;
+       v_post   post;

 };
 
 };
 

-static int      check_count(struct mdoc *, enum mdoc_type,
-                       enum check_lvl, enum check_ineq, int);
-static int      check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);

 static void     check_text(struct mdoc *, int, int, char *);
 static void     check_argv(struct mdoc *,
                        struct mdoc_node *, struct mdoc_argv *);
 static void     check_args(struct mdoc *, struct mdoc_node *);
 static void     check_text(struct mdoc *, int, int, char *);
 static void     check_argv(struct mdoc *,
                        struct mdoc_node *, struct mdoc_argv *);
 static void     check_args(struct mdoc *, struct mdoc_node *);

+static int      child_an(const struct mdoc_node *);

 static enum mdoc_sec   a2sec(const char *);
 static size_t          macro2len(enum mdoct);
 static enum mdoc_sec   a2sec(const char *);
 static size_t          macro2len(enum mdoct);

-
-static int      ebool(POST_ARGS);
-static int      berr_ge1(POST_ARGS);
-static int      bwarn_ge1(POST_ARGS);
-static int      ewarn_eq0(POST_ARGS);
-static int      ewarn_eq1(POST_ARGS);
-static int      ewarn_ge1(POST_ARGS);
-static int      ewarn_le1(POST_ARGS);
-static int      hwarn_eq0(POST_ARGS);
-static int      hwarn_eq1(POST_ARGS);
-static int      hwarn_ge1(POST_ARGS);
-
-static int      post_an(POST_ARGS);
-static int      post_at(POST_ARGS);
-static int      post_bf(POST_ARGS);
-static int      post_bl(POST_ARGS);
-static int      post_bl_block(POST_ARGS);
-static int      post_bl_block_width(POST_ARGS);
-static int      post_bl_block_tag(POST_ARGS);
-static int      post_bl_head(POST_ARGS);
-static int      post_bx(POST_ARGS);
-static int      post_defaults(POST_ARGS);
-static int      post_dd(POST_ARGS);
-static int      post_dt(POST_ARGS);
-static int      post_en(POST_ARGS);
-static int      post_es(POST_ARGS);
-static int      post_eoln(POST_ARGS);
-static int      post_hyph(POST_ARGS);
-static int      post_ignpar(POST_ARGS);
-static int      post_it(POST_ARGS);
-static int      post_lb(POST_ARGS);
-static int      post_literal(POST_ARGS);
-static int      post_nm(POST_ARGS);
-static int      post_ns(POST_ARGS);
-static int      post_os(POST_ARGS);
-static int      post_par(POST_ARGS);
-static int      post_prol(POST_ARGS);
-static int      post_root(POST_ARGS);
-static int      post_rs(POST_ARGS);
-static int      post_sh(POST_ARGS);
-static int      post_sh_body(POST_ARGS);
-static int      post_sh_head(POST_ARGS);
-static int      post_st(POST_ARGS);
-static int      post_std(POST_ARGS);
-static int      post_vt(POST_ARGS);
-static int      pre_an(PRE_ARGS);
-static int      pre_bd(PRE_ARGS);
-static int      pre_bl(PRE_ARGS);
-static int      pre_dd(PRE_ARGS);
-static int      pre_display(PRE_ARGS);
-static int      pre_dt(PRE_ARGS);
-static int      pre_it(PRE_ARGS);
-static int      pre_literal(PRE_ARGS);
-static int      pre_obsolete(PRE_ARGS);
-static int      pre_os(PRE_ARGS);
-static int      pre_par(PRE_ARGS);
-static int      pre_sh(PRE_ARGS);
-static int      pre_ss(PRE_ARGS);
-static int      pre_std(PRE_ARGS);
-
-static v_post   posts_an[] = { post_an, NULL };
-static v_post   posts_at[] = { post_at, post_defaults, NULL };
-static v_post   posts_bd[] = { post_literal, hwarn_eq0, bwarn_ge1, NULL };
-static v_post   posts_bf[] = { post_bf, NULL };
-static v_post   posts_bk[] = { hwarn_eq0, bwarn_ge1, NULL };
-static v_post   posts_bl[] = { bwarn_ge1, post_bl, NULL };
-static v_post   posts_bx[] = { post_bx, NULL };
-static v_post   posts_bool[] = { ebool, NULL };
-static v_post   posts_eoln[] = { post_eoln, NULL };
-static v_post   posts_defaults[] = { post_defaults, NULL };
-static v_post   posts_d1[] = { bwarn_ge1, post_hyph, NULL };
-static v_post   posts_dd[] = { post_dd, post_prol, NULL };
-static v_post   posts_dl[] = { post_literal, bwarn_ge1, NULL };
-static v_post   posts_dt[] = { post_dt, post_prol, NULL };
-static v_post   posts_en[] = { post_en, NULL };
-static v_post   posts_es[] = { post_es, NULL };
-static v_post   posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
-static v_post   posts_hyph[] = { post_hyph, NULL };
-static v_post   posts_hyphtext[] = { ewarn_ge1, post_hyph, NULL };
-static v_post   posts_it[] = { post_it, NULL };
-static v_post   posts_lb[] = { post_lb, NULL };
-static v_post   posts_nd[] = { berr_ge1, post_hyph, NULL };
-static v_post   posts_nm[] = { post_nm, NULL };
-static v_post   posts_notext[] = { ewarn_eq0, NULL };
-static v_post   posts_ns[] = { post_ns, NULL };
-static v_post   posts_os[] = { post_os, post_prol, NULL };
-static v_post   posts_pp[] = { post_par, ewarn_eq0, NULL };
-static v_post   posts_rs[] = { post_rs, NULL };
-static v_post   posts_sh[] = { post_ignpar,hwarn_ge1,post_sh,post_hyph,NULL };
-static v_post   posts_sp[] = { post_par, ewarn_le1, NULL };
-static v_post   posts_ss[] = { post_ignpar, hwarn_ge1, post_hyph, NULL };
-static v_post   posts_st[] = { post_st, NULL };
-static v_post   posts_std[] = { post_std, NULL };
-static v_post   posts_text[] = { ewarn_ge1, NULL };
-static v_post   posts_text1[] = { ewarn_eq1, NULL };
-static v_post   posts_vt[] = { post_vt, NULL };
-static v_pre    pres_an[] = { pre_an, NULL };
-static v_pre    pres_bd[] = { pre_display, pre_bd, pre_literal, pre_par, NULL };
-static v_pre    pres_bl[] = { pre_bl, pre_par, NULL };
-static v_pre    pres_d1[] = { pre_display, NULL };
-static v_pre    pres_dl[] = { pre_literal, pre_display, NULL };
-static v_pre    pres_dd[] = { pre_dd, NULL };
-static v_pre    pres_dt[] = { pre_dt, NULL };
-static v_pre    pres_it[] = { pre_it, pre_par, NULL };
-static v_pre    pres_obsolete[] = { pre_obsolete, NULL };
-static v_pre    pres_os[] = { pre_os, NULL };
-static v_pre    pres_pp[] = { pre_par, NULL };
-static v_pre    pres_sh[] = { pre_sh, NULL };
-static v_pre    pres_ss[] = { pre_ss, NULL };
-static v_pre    pres_std[] = { pre_std, NULL };
+static void     rewrite_macro2len(char **);
+
+static void     post_an(POST_ARGS);
+static void     post_at(POST_ARGS);
+static void     post_bf(POST_ARGS);
+static void     post_bk(POST_ARGS);
+static void     post_bl(POST_ARGS);
+static void     post_bl_block(POST_ARGS);
+static void     post_bl_block_tag(POST_ARGS);
+static void     post_bl_head(POST_ARGS);
+static void     post_bx(POST_ARGS);
+static void     post_d1(POST_ARGS);
+static void     post_defaults(POST_ARGS);
+static void     post_dd(POST_ARGS);
+static void     post_dt(POST_ARGS);
+static void     post_en(POST_ARGS);
+static void     post_es(POST_ARGS);
+static void     post_eoln(POST_ARGS);
+static void     post_ex(POST_ARGS);
+static void     post_fa(POST_ARGS);
+static void     post_fn(POST_ARGS);
+static void     post_fname(POST_ARGS);
+static void     post_fo(POST_ARGS);
+static void     post_hyph(POST_ARGS);
+static void     post_ignpar(POST_ARGS);
+static void     post_it(POST_ARGS);
+static void     post_lb(POST_ARGS);
+static void     post_literal(POST_ARGS);
+static void     post_nd(POST_ARGS);
+static void     post_nm(POST_ARGS);
+static void     post_ns(POST_ARGS);
+static void     post_os(POST_ARGS);
+static void     post_par(POST_ARGS);
+static void     post_root(POST_ARGS);
+static void     post_rs(POST_ARGS);
+static void     post_sh(POST_ARGS);
+static void     post_sh_head(POST_ARGS);
+static void     post_sh_name(POST_ARGS);
+static void     post_sh_see_also(POST_ARGS);
+static void     post_sh_authors(POST_ARGS);
+static void     post_sm(POST_ARGS);
+static void     post_st(POST_ARGS);
+static void     post_vt(POST_ARGS);
+
+static void     pre_an(PRE_ARGS);
+static void     pre_bd(PRE_ARGS);
+static void     pre_bl(PRE_ARGS);
+static void     pre_dd(PRE_ARGS);
+static void     pre_display(PRE_ARGS);
+static void     pre_dt(PRE_ARGS);
+static void     pre_literal(PRE_ARGS);
+static void     pre_obsolete(PRE_ARGS);
+static void     pre_os(PRE_ARGS);
+static void     pre_par(PRE_ARGS);
+static void     pre_std(PRE_ARGS);

 
 static const struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Ap */
 
 static const struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Ap */

-       { pres_dd, posts_dd },                  /* Dd */
-       { pres_dt, posts_dt },                  /* Dt */
-       { pres_os, posts_os },                  /* Os */
-       { pres_sh, posts_sh },                  /* Sh */
-       { pres_ss, posts_ss },                  /* Ss */
-       { pres_pp, posts_pp },                  /* Pp */
-       { pres_d1, posts_d1 },                  /* D1 */
-       { pres_dl, posts_dl },                  /* Dl */
-       { pres_bd, posts_bd },                  /* Bd */
+       { pre_dd, post_dd },                    /* Dd */
+       { pre_dt, post_dt },                    /* Dt */
+       { pre_os, post_os },                    /* Os */
+       { NULL, post_sh },                      /* Sh */
+       { NULL, post_ignpar },                  /* Ss */
+       { pre_par, post_par },                  /* Pp */
+       { pre_display, post_d1 },               /* D1 */
+       { pre_literal, post_literal },          /* Dl */
+       { pre_bd, post_literal },               /* Bd */

        { NULL, NULL },                         /* Ed */
        { NULL, NULL },                         /* Ed */

-       { pres_bl, posts_bl },                  /* Bl */
+       { pre_bl, post_bl },                    /* Bl */

        { NULL, NULL },                         /* El */
        { NULL, NULL },                         /* El */

-       { pres_it, posts_it },                  /* It */
+       { pre_par, post_it },                   /* It */

        { NULL, NULL },                         /* Ad */
        { NULL, NULL },                         /* Ad */

-       { pres_an, posts_an },                  /* An */
-       { NULL, posts_defaults },               /* Ar */
+       { pre_an, post_an },                    /* An */
+       { NULL, post_defaults },                /* Ar */

        { NULL, NULL },                         /* Cd */
        { NULL, NULL },                         /* Cm */
        { NULL, NULL },                         /* Dv */
        { NULL, NULL },                         /* Er */
        { NULL, NULL },                         /* Ev */
        { NULL, NULL },                         /* Cd */
        { NULL, NULL },                         /* Cm */
        { NULL, NULL },                         /* Dv */
        { NULL, NULL },                         /* Er */
        { NULL, NULL },                         /* Ev */

-       { pres_std, posts_std },                /* Ex */
-       { NULL, NULL },                         /* Fa */
-       { NULL, posts_text },                   /* Fd */
+       { pre_std, post_ex },                   /* Ex */
+       { NULL, post_fa },                      /* Fa */
+       { NULL, NULL },                         /* Fd */

        { NULL, NULL },                         /* Fl */
        { NULL, NULL },                         /* Fl */

-       { NULL, NULL },                         /* Fn */
+       { NULL, post_fn },                      /* Fn */

        { NULL, NULL },                         /* Ft */
        { NULL, NULL },                         /* Ic */
        { NULL, NULL },                         /* Ft */
        { NULL, NULL },                         /* Ic */

-       { NULL, posts_text1 },                  /* In */
-       { NULL, posts_defaults },               /* Li */
-       { NULL, posts_nd },                     /* Nd */
-       { NULL, posts_nm },                     /* Nm */
+       { NULL, NULL },                         /* In */
+       { NULL, post_defaults },                /* Li */
+       { NULL, post_nd },                      /* Nd */
+       { NULL, post_nm },                      /* Nm */

        { NULL, NULL },                         /* Op */
        { NULL, NULL },                         /* Op */

-       { pres_obsolete, NULL },                /* Ot */
-       { NULL, posts_defaults },               /* Pa */
-       { pres_std, posts_std },                /* Rv */
-       { NULL, posts_st },                     /* St */
+       { pre_obsolete, NULL },                 /* Ot */
+       { NULL, post_defaults },                /* Pa */
+       { pre_std, NULL },                      /* Rv */
+       { NULL, post_st },                      /* St */

        { NULL, NULL },                         /* Va */
        { NULL, NULL },                         /* Va */

-       { NULL, posts_vt },                     /* Vt */
-       { NULL, posts_text },                   /* Xr */
-       { NULL, posts_text },                   /* %A */
-       { NULL, posts_hyphtext },               /* %B */ /* FIXME: can be used outside Rs/Re. */
-       { NULL, posts_text },                   /* %D */
-       { NULL, posts_text },                   /* %I */
-       { NULL, posts_text },                   /* %J */
-       { NULL, posts_hyphtext },               /* %N */
-       { NULL, posts_hyphtext },               /* %O */
-       { NULL, posts_text },                   /* %P */
-       { NULL, posts_hyphtext },               /* %R */
-       { NULL, posts_hyphtext },               /* %T */ /* FIXME: can be used outside Rs/Re. */
-       { NULL, posts_text },                   /* %V */
+       { NULL, post_vt },                      /* Vt */
+       { NULL, NULL },                         /* Xr */
+       { NULL, NULL },                         /* %A */
+       { NULL, post_hyph },                    /* %B */ /* FIXME: can be used outside Rs/Re. */
+       { NULL, NULL },                         /* %D */
+       { NULL, NULL },                         /* %I */
+       { NULL, NULL },                         /* %J */
+       { NULL, post_hyph },                    /* %N */
+       { NULL, post_hyph },                    /* %O */
+       { NULL, NULL },                         /* %P */
+       { NULL, post_hyph },                    /* %R */
+       { NULL, post_hyph },                    /* %T */ /* FIXME: can be used outside Rs/Re. */
+       { NULL, NULL },                         /* %V */

        { NULL, NULL },                         /* Ac */
        { NULL, NULL },                         /* Ao */
        { NULL, NULL },                         /* Aq */
        { NULL, NULL },                         /* Ac */
        { NULL, NULL },                         /* Ao */
        { NULL, NULL },                         /* Aq */

-       { NULL, posts_at },                     /* At */
+       { NULL, post_at },                      /* At */

        { NULL, NULL },                         /* Bc */
        { NULL, NULL },                         /* Bc */

-       { NULL, posts_bf },                     /* Bf */
+       { NULL, post_bf },                      /* Bf */

        { NULL, NULL },                         /* Bo */
        { NULL, NULL },                         /* Bq */
        { NULL, NULL },                         /* Bsx */
        { NULL, NULL },                         /* Bo */
        { NULL, NULL },                         /* Bq */
        { NULL, NULL },                         /* Bsx */

-       { NULL, posts_bx },                     /* Bx */
-       { NULL, posts_bool },                   /* Db */
+       { NULL, post_bx },                      /* Bx */
+       { pre_obsolete, NULL },                 /* Db */

        { NULL, NULL },                         /* Dc */
        { NULL, NULL },                         /* Do */
        { NULL, NULL },                         /* Dq */
        { NULL, NULL },                         /* Dc */
        { NULL, NULL },                         /* Do */
        { NULL, NULL },                         /* Dq */


@@ -257,12 +192,12 @@ static    const struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Eo */
        { NULL, NULL },                         /* Fx */
        { NULL, NULL },                         /* Ms */
        { NULL, NULL },                         /* Eo */
        { NULL, NULL },                         /* Fx */
        { NULL, NULL },                         /* Ms */

-       { NULL, posts_notext },                 /* No */
-       { NULL, posts_ns },                     /* Ns */
+       { NULL, NULL },                         /* No */
+       { NULL, post_ns },                      /* Ns */

        { NULL, NULL },                         /* Nx */
        { NULL, NULL },                         /* Ox */
        { NULL, NULL },                         /* Pc */
        { NULL, NULL },                         /* Nx */
        { NULL, NULL },                         /* Ox */
        { NULL, NULL },                         /* Pc */

-       { NULL, posts_text1 },                  /* Pf */
+       { NULL, NULL },                         /* Pf */

        { NULL, NULL },                         /* Po */
        { NULL, NULL },                         /* Pq */
        { NULL, NULL },                         /* Qc */
        { NULL, NULL },                         /* Po */
        { NULL, NULL },                         /* Pq */
        { NULL, NULL },                         /* Qc */


@@ -270,42 +205,42 @@ static    const struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Qo */
        { NULL, NULL },                         /* Qq */
        { NULL, NULL },                         /* Re */
        { NULL, NULL },                         /* Qo */
        { NULL, NULL },                         /* Qq */
        { NULL, NULL },                         /* Re */

-       { NULL, posts_rs },                     /* Rs */
+       { NULL, post_rs },                      /* Rs */

        { NULL, NULL },                         /* Sc */
        { NULL, NULL },                         /* So */
        { NULL, NULL },                         /* Sq */
        { NULL, NULL },                         /* Sc */
        { NULL, NULL },                         /* So */
        { NULL, NULL },                         /* Sq */

-       { NULL, posts_bool },                   /* Sm */
-       { NULL, posts_hyph },                   /* Sx */
+       { NULL, post_sm },                      /* Sm */
+       { NULL, post_hyph },                    /* Sx */

        { NULL, NULL },                         /* Sy */
        { NULL, NULL },                         /* Tn */
        { NULL, NULL },                         /* Ux */
        { NULL, NULL },                         /* Xc */
        { NULL, NULL },                         /* Xo */
        { NULL, NULL },                         /* Sy */
        { NULL, NULL },                         /* Tn */
        { NULL, NULL },                         /* Ux */
        { NULL, NULL },                         /* Xc */
        { NULL, NULL },                         /* Xo */

-       { NULL, posts_fo },                     /* Fo */
+       { NULL, post_fo },                      /* Fo */

        { NULL, NULL },                         /* Fc */
        { NULL, NULL },                         /* Oo */
        { NULL, NULL },                         /* Oc */
        { NULL, NULL },                         /* Fc */
        { NULL, NULL },                         /* Oo */
        { NULL, NULL },                         /* Oc */

-       { NULL, posts_bk },                     /* Bk */
+       { NULL, post_bk },                      /* Bk */

        { NULL, NULL },                         /* Ek */
        { NULL, NULL },                         /* Ek */

-       { NULL, posts_eoln },                   /* Bt */
+       { NULL, post_eoln },                    /* Bt */

        { NULL, NULL },                         /* Hf */
        { NULL, NULL },                         /* Hf */

-       { pres_obsolete, NULL },                /* Fr */
-       { NULL, posts_eoln },                   /* Ud */
-       { NULL, posts_lb },                     /* Lb */
-       { pres_pp, posts_pp },                  /* Lp */
+       { pre_obsolete, NULL },                 /* Fr */
+       { NULL, post_eoln },                    /* Ud */
+       { NULL, post_lb },                      /* Lb */
+       { pre_par, post_par },                  /* Lp */

        { NULL, NULL },                         /* Lk */
        { NULL, NULL },                         /* Lk */

-       { NULL, posts_defaults },               /* Mt */
+       { NULL, post_defaults },                /* Mt */

        { NULL, NULL },                         /* Brq */
        { NULL, NULL },                         /* Bro */
        { NULL, NULL },                         /* Brc */
        { NULL, NULL },                         /* Brq */
        { NULL, NULL },                         /* Bro */
        { NULL, NULL },                         /* Brc */

-       { NULL, posts_text },                   /* %C */
-       { pres_obsolete, posts_es },            /* Es */
-       { pres_obsolete, posts_en },            /* En */
+       { NULL, NULL },                         /* %C */
+       { pre_obsolete, post_es },              /* Es */
+       { pre_obsolete, post_en },              /* En */

        { NULL, NULL },                         /* Dx */
        { NULL, NULL },                         /* Dx */

-       { NULL, posts_text },                   /* %Q */
-       { NULL, posts_pp },                     /* br */
-       { NULL, posts_sp },                     /* sp */
-       { NULL, posts_text1 },                  /* %U */
+       { NULL, NULL },                         /* %Q */
+       { NULL, post_par },                     /* br */
+       { NULL, post_par },                     /* sp */
+       { NULL, NULL },                         /* %U */

        { NULL, NULL },                         /* Ta */
        { NULL, NULL },                         /* ll */
 };
        { NULL, NULL },                         /* Ta */
        { NULL, NULL },                         /* ll */
 };


@@ -356,162 +291,73 @@ static   const char * const secnames[SEC__MAX] = {
 };
 
 
 };
 
 

-int
+void

 mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
 {
 mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
 {

-       v_pre           *p;
-       int              line, pos;
-       char            *tp;
+       v_pre    p;

 
        switch (n->type) {
        case MDOC_TEXT:
 
        switch (n->type) {
        case MDOC_TEXT:

-               tp = n->string;
-               line = n->line;
-               pos = n->pos;
-               check_text(mdoc, line, pos, tp);
+               if (n->sec != SEC_SYNOPSIS || n->parent->tok != MDOC_Fd)
+                       check_text(mdoc, n->line, n->pos, n->string);

                /* FALLTHROUGH */
        case MDOC_TBL:
                /* FALLTHROUGH */
        case MDOC_EQN:
                /* FALLTHROUGH */
        case MDOC_ROOT:
                /* FALLTHROUGH */
        case MDOC_TBL:
                /* FALLTHROUGH */
        case MDOC_EQN:
                /* FALLTHROUGH */
        case MDOC_ROOT:

-               return(1);
+               return;

        default:
                break;
        }
 
        check_args(mdoc, n);
        default:
                break;
        }
 
        check_args(mdoc, n);

-
-       if (NULL == mdoc_valids[n->tok].pre)
-               return(1);
-       for (p = mdoc_valids[n->tok].pre; *p; p++)
-               if ( ! (*p)(mdoc, n))
-                       return(0);
-       return(1);
+       p = mdoc_valids[n->tok].pre;
+       if (*p)
+               (*p)(mdoc, n);

 }
 
 }
 

-int
+void

 mdoc_valid_post(struct mdoc *mdoc)
 {
 mdoc_valid_post(struct mdoc *mdoc)
 {

-       v_post          *p;
+       struct mdoc_node *n;
+       v_post p;

 
 

-       if (MDOC_VALID & mdoc->last->flags)
-               return(1);
-       mdoc->last->flags |= MDOC_VALID;
+       n = mdoc->last;
+       if (n->flags & MDOC_VALID)
+               return;
+       n->flags |= MDOC_VALID | MDOC_ENDED;

 
 

-       switch (mdoc->last->type) {
+       switch (n->type) {

        case MDOC_TEXT:
                /* FALLTHROUGH */
        case MDOC_EQN:
                /* FALLTHROUGH */
        case MDOC_TBL:
        case MDOC_TEXT:
                /* FALLTHROUGH */
        case MDOC_EQN:
                /* FALLTHROUGH */
        case MDOC_TBL:

-               return(1);
+               break;

        case MDOC_ROOT:
        case MDOC_ROOT:

-               return(post_root(mdoc));
-       default:
+               post_root(mdoc);

                break;
                break;

-       }
+       default:

 
 

-       if (NULL == mdoc_valids[mdoc->last->tok].post)
-               return(1);
-       for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
-               if ( ! (*p)(mdoc))
-                       return(0);
+               /*
+                * Closing delimiters are not special at the
+                * beginning of a block, opening delimiters
+                * are not special at the end.
+                */

 
 

-       return(1);
-}
+               if (n->child != NULL)
+                       n->child->flags &= ~MDOC_DELIMC;
+               if (n->last != NULL)
+                       n->last->flags &= ~MDOC_DELIMO;

 
 

-static int
-check_count(struct mdoc *mdoc, enum mdoc_type type,
-               enum check_lvl lvl, enum check_ineq ineq, int val)
-{
-       const char      *p;
-       enum mandocerr   t;
-
-       if (mdoc->last->type != type)
-               return(1);
+               /* Call the macro's postprocessor. */

 
 

-       switch (ineq) {
-       case CHECK_LT:
-               p = "less than ";
-               if (mdoc->last->nchild < val)
-                       return(1);
+               p = mdoc_valids[n->tok].post;
+               if (*p)
+                       (*p)(mdoc);

                break;
                break;

-       case CHECK_GT:
-               p = "more than ";
-               if (mdoc->last->nchild > val)
-                       return(1);
-               break;
-       case CHECK_EQ:
-               p = "";
-               if (val == mdoc->last->nchild)
-                       return(1);
-               break;
-       default:
-               abort();
-               /* NOTREACHED */

        }
        }

-
-       t = lvl == CHECK_WARN ? MANDOCERR_ARGCWARN : MANDOCERR_ARGCOUNT;
-       mandoc_vmsg(t, mdoc->parse, mdoc->last->line,
-           mdoc->last->pos, "want %s%d children (have %d)",
-           p, val, mdoc->last->nchild);
-       return(1);
-}
-
-static int
-berr_ge1(POST_ARGS)
-{
-
-       return(check_count(mdoc, MDOC_BODY, CHECK_ERROR, CHECK_GT, 0));
-}
-
-static int
-bwarn_ge1(POST_ARGS)
-{
-       return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0));
-}
-
-static int
-ewarn_eq0(POST_ARGS)
-{
-       return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0));
-}
-
-static int
-ewarn_eq1(POST_ARGS)
-{
-       return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1));
-}
-
-static int
-ewarn_ge1(POST_ARGS)
-{
-       return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0));
-}
-
-static int
-ewarn_le1(POST_ARGS)
-{
-       return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_LT, 2));
-}
-
-static int
-hwarn_eq0(POST_ARGS)
-{
-       return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0));
-}
-
-static int
-hwarn_eq1(POST_ARGS)
-{
-       return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1));
-}
-
-static int
-hwarn_ge1(POST_ARGS)
-{
-       return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_GT, 0));

 }
 
 static void
 }
 
 static void


@@ -534,12 +380,6 @@ check_argv(struct mdoc *mdoc, struct mdoc_node *n, struct mdoc_argv *v)
 
        for (i = 0; i < (int)v->sz; i++)
                check_text(mdoc, v->line, v->pos, v->value[i]);
 
        for (i = 0; i < (int)v->sz; i++)
                check_text(mdoc, v->line, v->pos, v->value[i]);

-
-       /* FIXME: move to post_std(). */
-
-       if (MDOC_Std == v->arg)
-               if ( ! (v->sz || mdoc->meta.name))
-                       mdoc_nmsg(mdoc, n, MANDOCERR_NONAME);

 }
 
 static void
 }
 
 static void


@@ -551,32 +391,17 @@ check_text(struct mdoc *mdoc, int ln, int pos, char *p)
                return;
 
        for (cp = p; NULL != (p = strchr(p, '\t')); p++)
                return;
 
        for (cp = p; NULL != (p = strchr(p, '\t')); p++)

-               mdoc_pmsg(mdoc, ln, pos + (int)(p - cp), MANDOCERR_BADTAB);
+               mandoc_msg(MANDOCERR_FI_TAB, mdoc->parse,
+                   ln, pos + (int)(p - cp), NULL);

 }
 
 }
 

-static int
-check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
-{
-
-       assert(n->parent);
-       if ((MDOC_ROOT == t || tok == n->parent->tok) &&
-                       (t == n->parent->type))
-               return(1);
-
-       mandoc_vmsg(MANDOCERR_SYNTCHILD, mdoc->parse,
-           n->line, n->pos, "want parent %s",
-           MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]);
-       return(0);
-}
-
-
-static int
+static void

 pre_display(PRE_ARGS)
 {
        struct mdoc_node *node;
 
        if (MDOC_BLOCK != n->type)
 pre_display(PRE_ARGS)
 {
        struct mdoc_node *node;
 
        if (MDOC_BLOCK != n->type)

-               return(1);
+               return;

 
        for (node = mdoc->last->parent; node; node = node->parent)
                if (MDOC_BLOCK == node->type)
 
        for (node = mdoc->last->parent; node; node = node->parent)
                if (MDOC_BLOCK == node->type)


@@ -587,30 +412,18 @@ pre_display(PRE_ARGS)
                mandoc_vmsg(MANDOCERR_BD_NEST,
                    mdoc->parse, n->line, n->pos,
                    "%s in Bd", mdoc_macronames[n->tok]);
                mandoc_vmsg(MANDOCERR_BD_NEST,
                    mdoc->parse, n->line, n->pos,
                    "%s in Bd", mdoc_macronames[n->tok]);

-
-       return(1);

 }
 
 }
 

-static int
+static void

 pre_bl(PRE_ARGS)
 {
 pre_bl(PRE_ARGS)
 {

-       int               i, comp, dup;
-       const char       *offs, *width;
+       struct mdoc_argv *argv, *wa;
+       int               i;
+       enum mdocargt     mdoclt;

        enum mdoc_list    lt;
        enum mdoc_list    lt;

-       struct mdoc_node *np;
-
-       if (MDOC_BLOCK != n->type) {
-               if (ENDBODY_NOT != n->end) {
-                       assert(n->pending);
-                       np = n->pending->parent;
-               } else
-                       np = n->parent;

 
 

-               assert(np);
-               assert(MDOC_BLOCK == np->type);
-               assert(MDOC_Bl == np->tok);
-               return(1);
-       }
+       if (n->type != MDOC_BLOCK)
+               return;

 
        /*
         * First figure out which kind of list to use: bind ourselves to
 
        /*
         * First figure out which kind of list to use: bind ourselves to


@@ -618,11 +431,12 @@ pre_bl(PRE_ARGS)
         * ones.  If we find no list type, we default to LIST_item.
         */
 
         * ones.  If we find no list type, we default to LIST_item.
         */
 

+       wa = (n->args == NULL) ? NULL : n->args->argv;
+       mdoclt = MDOC_ARG_MAX;

        for (i = 0; n->args && i < (int)n->args->argc; i++) {
        for (i = 0; n->args && i < (int)n->args->argc; i++) {

+               argv = n->args->argv + i;

                lt = LIST__NONE;
                lt = LIST__NONE;

-               dup = comp = 0;
-               width = offs = NULL;
-               switch (n->args->argv[i].arg) {
+               switch (argv->arg) {

                /* Set list types. */
                case MDOC_Bullet:
                        lt = LIST_bullet;
                /* Set list types. */
                case MDOC_Bullet:
                        lt = LIST_bullet;


@@ -659,77 +473,81 @@ pre_bl(PRE_ARGS)
                        break;
                /* Set list arguments. */
                case MDOC_Compact:
                        break;
                /* Set list arguments. */
                case MDOC_Compact:

-                       dup = n->norm->Bl.comp;
-                       comp = 1;
+                       if (n->norm->Bl.comp)
+                               mandoc_msg(MANDOCERR_ARG_REP,
+                                   mdoc->parse, argv->line,
+                                   argv->pos, "Bl -compact");
+                       n->norm->Bl.comp = 1;

                        break;
                case MDOC_Width:
                        break;
                case MDOC_Width:

-                       /* NB: this can be empty! */
-                       if (n->args->argv[i].sz) {
-                               width = n->args->argv[i].value[0];
-                               dup = (NULL != n->norm->Bl.width);
+                       wa = argv;
+                       if (0 == argv->sz) {
+                               mandoc_msg(MANDOCERR_ARG_EMPTY,
+                                   mdoc->parse, argv->line,
+                                   argv->pos, "Bl -width");
+                               n->norm->Bl.width = "0n";

                                break;
                        }
                                break;
                        }

-                       mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
+                       if (NULL != n->norm->Bl.width)
+                               mandoc_vmsg(MANDOCERR_ARG_REP,
+                                   mdoc->parse, argv->line,
+                                   argv->pos, "Bl -width %s",
+                                   argv->value[0]);
+                       rewrite_macro2len(argv->value);
+                       n->norm->Bl.width = argv->value[0];

                        break;
                case MDOC_Offset:
                        break;
                case MDOC_Offset:

-                       /* NB: this can be empty! */
-                       if (n->args->argv[i].sz) {
-                               offs = n->args->argv[i].value[0];
-                               dup = (NULL != n->norm->Bl.offs);
+                       if (0 == argv->sz) {
+                               mandoc_msg(MANDOCERR_ARG_EMPTY,
+                                   mdoc->parse, argv->line,
+                                   argv->pos, "Bl -offset");

                                break;
                        }
                                break;
                        }

-                       mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
+                       if (NULL != n->norm->Bl.offs)
+                               mandoc_vmsg(MANDOCERR_ARG_REP,
+                                   mdoc->parse, argv->line,
+                                   argv->pos, "Bl -offset %s",
+                                   argv->value[0]);
+                       rewrite_macro2len(argv->value);
+                       n->norm->Bl.offs = argv->value[0];

                        break;
                default:
                        continue;
                }
                        break;
                default:
                        continue;
                }

-
-               /* Check: duplicate auxiliary arguments. */
-
-               if (dup)
-                       mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP);
-
-               if (comp && ! dup)
-                       n->norm->Bl.comp = comp;
-               if (offs && ! dup)
-                       n->norm->Bl.offs = offs;
-               if (width && ! dup)
-                       n->norm->Bl.width = width;
+               if (LIST__NONE == lt)
+                       continue;
+               mdoclt = argv->arg;

 
                /* Check: multiple list types. */
 
 
                /* Check: multiple list types. */
 

-               if (LIST__NONE != lt && n->norm->Bl.type != LIST__NONE)
-                       mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP);
-
-               /* Assign list type. */
-
-               if (LIST__NONE != lt && n->norm->Bl.type == LIST__NONE) {
-                       n->norm->Bl.type = lt;
-                       /* Set column information, too. */
-                       if (LIST_column == lt) {
-                               n->norm->Bl.ncols =
-                                   n->args->argv[i].sz;
-                               n->norm->Bl.cols = (void *)
-                                   n->args->argv[i].value;
-                       }
+               if (LIST__NONE != n->norm->Bl.type) {
+                       mandoc_vmsg(MANDOCERR_BL_REP,
+                           mdoc->parse, n->line, n->pos,
+                           "Bl -%s", mdoc_argnames[argv->arg]);
+                       continue;

                }
 
                /* The list type should come first. */
 
                }
 
                /* The list type should come first. */
 

-               if (n->norm->Bl.type == LIST__NONE)
-                       if (n->norm->Bl.width ||
-                           n->norm->Bl.offs ||
-                           n->norm->Bl.comp)
-                               mandoc_msg(MANDOCERR_BL_LATETYPE,
-                                   mdoc->parse, n->line, n->pos,
-                                   mdoc_argnames[n->args->argv[0].arg]);
-               continue;
+               if (n->norm->Bl.width ||
+                   n->norm->Bl.offs ||
+                   n->norm->Bl.comp)
+                       mandoc_vmsg(MANDOCERR_BL_LATETYPE,
+                           mdoc->parse, n->line, n->pos, "Bl -%s",
+                           mdoc_argnames[n->args->argv[0].arg]);
+
+               n->norm->Bl.type = lt;
+               if (LIST_column == lt) {
+                       n->norm->Bl.ncols = argv->sz;
+                       n->norm->Bl.cols = (void *)argv->value;
+               }

        }
 
        /* Allow lists to default to LIST_item. */
 
        if (LIST__NONE == n->norm->Bl.type) {
        }
 
        /* Allow lists to default to LIST_item. */
 
        if (LIST__NONE == n->norm->Bl.type) {

-               mdoc_nmsg(mdoc, n, MANDOCERR_BL_NOTYPE);
+               mandoc_msg(MANDOCERR_BL_NOTYPE, mdoc->parse,
+                   n->line, n->pos, "Bl");

                n->norm->Bl.type = LIST_item;
        }
 
                n->norm->Bl.type = LIST_item;
        }
 


@@ -743,7 +561,8 @@ pre_bl(PRE_ARGS)
        switch (n->norm->Bl.type) {
        case LIST_tag:
                if (NULL == n->norm->Bl.width)
        switch (n->norm->Bl.type) {
        case LIST_tag:
                if (NULL == n->norm->Bl.width)

-                       mdoc_nmsg(mdoc, n, MANDOCERR_BL_WIDTH);
+                       mandoc_msg(MANDOCERR_BL_NOWIDTH, mdoc->parse,
+                           n->line, n->pos, "Bl -tag");

                break;
        case LIST_column:
                /* FALLTHROUGH */
                break;
        case LIST_column:
                /* FALLTHROUGH */


@@ -755,7 +574,9 @@ pre_bl(PRE_ARGS)
                /* FALLTHROUGH */
        case LIST_item:
                if (n->norm->Bl.width)
                /* FALLTHROUGH */
        case LIST_item:
                if (n->norm->Bl.width)

-                       mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
+                       mandoc_vmsg(MANDOCERR_BL_SKIPW, mdoc->parse,
+                           wa->line, wa->pos, "Bl -%s",
+                           mdoc_argnames[mdoclt]);

                break;
        case LIST_bullet:
                /* FALLTHROUGH */
                break;
        case LIST_bullet:
                /* FALLTHROUGH */


@@ -772,39 +593,28 @@ pre_bl(PRE_ARGS)
        default:
                break;
        }
        default:
                break;
        }

-
-       return(1);
+       pre_par(mdoc, n);

 }
 
 }
 

-static int
+static void

 pre_bd(PRE_ARGS)
 {
 pre_bd(PRE_ARGS)
 {

-       int               i, dup, comp;
+       struct mdoc_argv *argv;
+       int               i;

        enum mdoc_disp    dt;
        enum mdoc_disp    dt;

-       const char       *offs;
-       struct mdoc_node *np;

 
 

-       if (MDOC_BLOCK != n->type) {
-               if (ENDBODY_NOT != n->end) {
-                       assert(n->pending);
-                       np = n->pending->parent;
-               } else
-                       np = n->parent;
+       pre_literal(mdoc, n);

 
 

-               assert(np);
-               assert(MDOC_BLOCK == np->type);
-               assert(MDOC_Bd == np->tok);
-               return(1);
-       }
+       if (n->type != MDOC_BLOCK)
+               return;

 
        for (i = 0; n->args && i < (int)n->args->argc; i++) {
 
        for (i = 0; n->args && i < (int)n->args->argc; i++) {

+               argv = n->args->argv + i;

                dt = DISP__NONE;
                dt = DISP__NONE;

-               dup = comp = 0;
-               offs = NULL;

 
 

-               switch (n->args->argv[i].arg) {
+               switch (argv->arg) {

                case MDOC_Centred:
                case MDOC_Centred:

-                       dt = DISP_centred;
+                       dt = DISP_centered;

                        break;
                case MDOC_Ragged:
                        dt = DISP_ragged;
                        break;
                case MDOC_Ragged:
                        dt = DISP_ragged;


@@ -819,176 +629,143 @@ pre_bd(PRE_ARGS)
                        dt = DISP_literal;
                        break;
                case MDOC_File:
                        dt = DISP_literal;
                        break;
                case MDOC_File:

-                       mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
-                       return(0);
+                       mandoc_msg(MANDOCERR_BD_FILE, mdoc->parse,
+                           n->line, n->pos, NULL);
+                       break;

                case MDOC_Offset:
                case MDOC_Offset:

-                       /* NB: this can be empty! */
-                       if (n->args->argv[i].sz) {
-                               offs = n->args->argv[i].value[0];
-                               dup = (NULL != n->norm->Bd.offs);
+                       if (0 == argv->sz) {
+                               mandoc_msg(MANDOCERR_ARG_EMPTY,
+                                   mdoc->parse, argv->line,
+                                   argv->pos, "Bd -offset");

                                break;
                        }
                                break;
                        }

-                       mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
+                       if (NULL != n->norm->Bd.offs)
+                               mandoc_vmsg(MANDOCERR_ARG_REP,
+                                   mdoc->parse, argv->line,
+                                   argv->pos, "Bd -offset %s",
+                                   argv->value[0]);
+                       rewrite_macro2len(argv->value);
+                       n->norm->Bd.offs = argv->value[0];

                        break;
                case MDOC_Compact:
                        break;
                case MDOC_Compact:

-                       comp = 1;
-                       dup = n->norm->Bd.comp;
+                       if (n->norm->Bd.comp)
+                               mandoc_msg(MANDOCERR_ARG_REP,
+                                   mdoc->parse, argv->line,
+                                   argv->pos, "Bd -compact");
+                       n->norm->Bd.comp = 1;

                        break;
                default:
                        abort();
                        /* NOTREACHED */
                }
                        break;
                default:
                        abort();
                        /* NOTREACHED */
                }

+               if (DISP__NONE == dt)
+                       continue;

 
 

-               /* Check whether we have duplicates. */
-
-               if (dup)
-                       mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP);
-
-               /* Make our auxiliary assignments. */
-
-               if (offs && ! dup)
-                       n->norm->Bd.offs = offs;
-               if (comp && ! dup)
-                       n->norm->Bd.comp = comp;
-
-               /* Check whether a type has already been assigned. */
-
-               if (DISP__NONE != dt && n->norm->Bd.type != DISP__NONE)
-                       mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP);
-
-               /* Make our type assignment. */
-
-               if (DISP__NONE != dt && n->norm->Bd.type == DISP__NONE)
+               if (DISP__NONE == n->norm->Bd.type)

                        n->norm->Bd.type = dt;
                        n->norm->Bd.type = dt;

+               else
+                       mandoc_vmsg(MANDOCERR_BD_REP,
+                           mdoc->parse, n->line, n->pos,
+                           "Bd -%s", mdoc_argnames[argv->arg]);

        }
 
        if (DISP__NONE == n->norm->Bd.type) {
        }
 
        if (DISP__NONE == n->norm->Bd.type) {

-               mdoc_nmsg(mdoc, n, MANDOCERR_BD_NOTYPE);
+               mandoc_msg(MANDOCERR_BD_NOTYPE, mdoc->parse,
+                   n->line, n->pos, "Bd");

                n->norm->Bd.type = DISP_ragged;
        }
                n->norm->Bd.type = DISP_ragged;
        }

-
-       return(1);
-}
-
-static int
-pre_ss(PRE_ARGS)
-{
-
-       if (MDOC_BLOCK != n->type)
-               return(1);
-       return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
+       pre_par(mdoc, n);

 }
 
 }
 

-static int
-pre_sh(PRE_ARGS)
-{
-
-       if (MDOC_BLOCK != n->type)
-               return(1);
-       return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
-}
-
-static int
-pre_it(PRE_ARGS)
-{
-
-       if (MDOC_BLOCK != n->type)
-               return(1);
-
-       return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
-}
-
-static int
+static void

 pre_an(PRE_ARGS)
 {
 pre_an(PRE_ARGS)
 {

-       int              i;
+       struct mdoc_argv *argv;
+       size_t   i;

 
 

-       if (NULL == n->args)
-               return(1);
+       if (n->args == NULL)
+               return;

 
 

-       for (i = 1; i < (int)n->args->argc; i++)
-               mdoc_pmsg(mdoc, n->args->argv[i].line,
-                   n->args->argv[i].pos, MANDOCERR_IGNARGV);
+       for (i = 1; i < n->args->argc; i++) {
+               argv = n->args->argv + i;
+               mandoc_vmsg(MANDOCERR_AN_REP,
+                   mdoc->parse, argv->line, argv->pos,
+                   "An -%s", mdoc_argnames[argv->arg]);
+       }

 
 

-       if (MDOC_Split == n->args->argv[0].arg)
+       argv = n->args->argv;
+       if (argv->arg == MDOC_Split)

                n->norm->An.auth = AUTH_split;
                n->norm->An.auth = AUTH_split;

-       else if (MDOC_Nosplit == n->args->argv[0].arg)
+       else if (argv->arg == MDOC_Nosplit)

                n->norm->An.auth = AUTH_nosplit;
        else
                abort();
                n->norm->An.auth = AUTH_nosplit;
        else
                abort();

-
-       return(1);

 }
 
 }
 

-static int
+static void

 pre_std(PRE_ARGS)
 {
 
        if (n->args && 1 == n->args->argc)
                if (MDOC_Std == n->args->argv[0].arg)
 pre_std(PRE_ARGS)
 {
 
        if (n->args && 1 == n->args->argc)
                if (MDOC_Std == n->args->argv[0].arg)

-                       return(1);
+                       return;

 
        mandoc_msg(MANDOCERR_ARG_STD, mdoc->parse,
            n->line, n->pos, mdoc_macronames[n->tok]);
 
        mandoc_msg(MANDOCERR_ARG_STD, mdoc->parse,
            n->line, n->pos, mdoc_macronames[n->tok]);

-       return(1);

 }
 
 }
 

-static int
+static void

 pre_obsolete(PRE_ARGS)
 {
 
        if (MDOC_ELEM == n->type || MDOC_BLOCK == n->type)
                mandoc_msg(MANDOCERR_MACRO_OBS, mdoc->parse,
                    n->line, n->pos, mdoc_macronames[n->tok]);
 pre_obsolete(PRE_ARGS)
 {
 
        if (MDOC_ELEM == n->type || MDOC_BLOCK == n->type)
                mandoc_msg(MANDOCERR_MACRO_OBS, mdoc->parse,
                    n->line, n->pos, mdoc_macronames[n->tok]);

-       return(1);

 }
 
 }
 

-static int
+static void

 pre_dt(PRE_ARGS)
 {
 
 pre_dt(PRE_ARGS)
 {
 

-       if (NULL == mdoc->meta.date || mdoc->meta.os)
-               mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
-                   n->line, n->pos, "Dt");
-
-       if (mdoc->meta.title)
+       if (mdoc->meta.title != NULL)

                mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
                    n->line, n->pos, "Dt");
                mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
                    n->line, n->pos, "Dt");

-
-       return(1);
+       else if (mdoc->meta.os != NULL)
+               mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
+                   n->line, n->pos, "Dt after Os");

 }
 
 }
 

-static int
+static void

 pre_os(PRE_ARGS)
 {
 
 pre_os(PRE_ARGS)
 {
 

-       if (NULL == mdoc->meta.title || NULL == mdoc->meta.date)
-               mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
-                   n->line, n->pos, "Os");
-
-       if (mdoc->meta.os)
+       if (mdoc->meta.os != NULL)

                mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
                    n->line, n->pos, "Os");
                mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
                    n->line, n->pos, "Os");

-
-       return(1);
+       else if (mdoc->flags & MDOC_PBODY)
+               mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse,
+                   n->line, n->pos, "Os");

 }
 
 }
 

-static int
+static void

 pre_dd(PRE_ARGS)
 {
 
 pre_dd(PRE_ARGS)
 {
 

-       if (mdoc->meta.title || mdoc->meta.os)
-               mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
-                   n->line, n->pos, "Dd");
-
-       if (mdoc->meta.date)
+       if (mdoc->meta.date != NULL)

                mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
                    n->line, n->pos, "Dd");
                mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
                    n->line, n->pos, "Dd");

-
-       return(1);
+       else if (mdoc->flags & MDOC_PBODY)
+               mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse,
+                   n->line, n->pos, "Dd");
+       else if (mdoc->meta.title != NULL)
+               mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
+                   n->line, n->pos, "Dd after Dt");
+       else if (mdoc->meta.os != NULL)
+               mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
+                   n->line, n->pos, "Dd after Os");

 }
 
 }
 

-static int
+static void

 post_bf(POST_ARGS)
 {
        struct mdoc_node *np, *nch;
 post_bf(POST_ARGS)
 {
        struct mdoc_node *np, *nch;


@@ -999,22 +776,10 @@ post_bf(POST_ARGS)
         * element, which contains the goods.
         */
 
         * element, which contains the goods.
         */
 

-       if (MDOC_HEAD != mdoc->last->type) {
-               if (ENDBODY_NOT != mdoc->last->end) {
-                       assert(mdoc->last->pending);
-                       np = mdoc->last->pending->parent->head;
-               } else if (MDOC_BLOCK != mdoc->last->type) {
-                       np = mdoc->last->parent->head;
-               } else
-                       np = mdoc->last->head;
-
-               assert(np);
-               assert(MDOC_HEAD == np->type);
-               assert(MDOC_Bf == np->tok);
-               return(1);
-       }
-

        np = mdoc->last;
        np = mdoc->last;

+       if (MDOC_HEAD != np->type)
+               return;
+

        assert(MDOC_BLOCK == np->parent->type);
        assert(MDOC_Bf == np->parent->tok);
 
        assert(MDOC_BLOCK == np->parent->type);
        assert(MDOC_Bf == np->parent->tok);
 


@@ -1023,8 +788,9 @@ post_bf(POST_ARGS)
        nch = np->child;
        if (NULL == np->parent->args) {
                if (NULL == nch) {
        nch = np->child;
        if (NULL == np->parent->args) {
                if (NULL == nch) {

-                       mdoc_nmsg(mdoc, np, MANDOCERR_BF_NOFONT);
-                       return(1);
+                       mandoc_msg(MANDOCERR_BF_NOFONT, mdoc->parse,
+                           np->line, np->pos, "Bf");
+                       return;

                }
                nch = nch->next;
        }
                }
                nch = nch->next;
        }


@@ -1044,7 +810,7 @@ post_bf(POST_ARGS)
                        np->norm->Bf.font = FONT_Sy;
                else
                        abort();
                        np->norm->Bf.font = FONT_Sy;
                else
                        abort();

-               return(1);
+               return;

        }
 
        /* Extract parameter into data. */
        }
 
        /* Extract parameter into data. */


@@ -1059,22 +825,16 @@ post_bf(POST_ARGS)
                mandoc_vmsg(MANDOCERR_BF_BADFONT, mdoc->parse,
                    np->child->line, np->child->pos,
                    "Bf %s", np->child->string);
                mandoc_vmsg(MANDOCERR_BF_BADFONT, mdoc->parse,
                    np->child->line, np->child->pos,
                    "Bf %s", np->child->string);

-
-       return(1);

 }
 
 }
 

-static int
+static void

 post_lb(POST_ARGS)
 {
        struct mdoc_node        *n;
        const char              *stdlibname;
        char                    *libname;
 
 post_lb(POST_ARGS)
 {
        struct mdoc_node        *n;
        const char              *stdlibname;
        char                    *libname;
 

-       check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1);
-

        n = mdoc->last->child;
        n = mdoc->last->child;

-
-       assert(n);

        assert(MDOC_TEXT == n->type);
 
        if (NULL == (stdlibname = mdoc_a2lib(n->string)))
        assert(MDOC_TEXT == n->type);
 
        if (NULL == (stdlibname = mdoc_a2lib(n->string)))


@@ -1085,10 +845,9 @@ post_lb(POST_ARGS)
 
        free(n->string);
        n->string = libname;
 
        free(n->string);
        n->string = libname;

-       return(1);

 }
 
 }
 

-static int
+static void

 post_eoln(POST_ARGS)
 {
        const struct mdoc_node *n;
 post_eoln(POST_ARGS)
 {
        const struct mdoc_node *n;


@@ -1099,10 +858,79 @@ post_eoln(POST_ARGS)
                    mdoc->parse, n->line, n->pos,
                    "%s %s", mdoc_macronames[n->tok],
                    n->child->string);
                    mdoc->parse, n->line, n->pos,
                    "%s %s", mdoc_macronames[n->tok],
                    n->child->string);

-       return(1);

 }
 
 }
 

-static int
+static void
+post_fname(POST_ARGS)
+{
+       const struct mdoc_node  *n;
+       const char              *cp;
+       size_t                   pos;
+
+       n = mdoc->last->child;
+       pos = strcspn(n->string, "()");
+       cp = n->string + pos;
+       if ( ! (cp[0] == '\0' || (cp[0] == '(' && cp[1] == '*')))
+               mandoc_msg(MANDOCERR_FN_PAREN, mdoc->parse,
+                   n->line, n->pos + pos, n->string);
+}
+
+static void
+post_fn(POST_ARGS)
+{
+
+       post_fname(mdoc);
+       post_fa(mdoc);
+}
+
+static void
+post_fo(POST_ARGS)
+{
+       const struct mdoc_node  *n;
+
+       n = mdoc->last;
+
+       if (n->type != MDOC_HEAD)
+               return;
+
+       if (n->child == NULL) {
+               mandoc_msg(MANDOCERR_FO_NOHEAD, mdoc->parse,
+                   n->line, n->pos, "Fo");
+               return;
+       }
+       if (n->child != n->last) {
+               mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
+                   n->child->next->line, n->child->next->pos,
+                   "Fo ... %s", n->child->next->string);
+               while (n->child != n->last)
+                       mdoc_node_delete(mdoc, n->last);
+       }
+
+       post_fname(mdoc);
+}
+
+static void
+post_fa(POST_ARGS)
+{
+       const struct mdoc_node *n;
+       const char *cp;
+
+       for (n = mdoc->last->child; n != NULL; n = n->next) {
+               for (cp = n->string; *cp != '\0'; cp++) {
+                       /* Ignore callbacks and alterations. */
+                       if (*cp == '(' || *cp == '{')
+                               break;
+                       if (*cp != ',')
+                               continue;
+                       mandoc_msg(MANDOCERR_FA_COMMA, mdoc->parse,
+                           n->line, n->pos + (cp - n->string),
+                           n->string);
+                       break;
+               }
+       }
+}
+
+static void

 post_vt(POST_ARGS)
 {
        const struct mdoc_node *n;
 post_vt(POST_ARGS)
 {
        const struct mdoc_node *n;


@@ -1116,50 +944,93 @@ post_vt(POST_ARGS)
         */
 
        if (MDOC_BODY != mdoc->last->type)
         */
 
        if (MDOC_BODY != mdoc->last->type)

-               return(1);
+               return;

 
        for (n = mdoc->last->child; n; n = n->next)
                if (MDOC_TEXT != n->type)
                        mandoc_msg(MANDOCERR_VT_CHILD, mdoc->parse,
                            n->line, n->pos, mdoc_macronames[n->tok]);
 
        for (n = mdoc->last->child; n; n = n->next)
                if (MDOC_TEXT != n->type)
                        mandoc_msg(MANDOCERR_VT_CHILD, mdoc->parse,
                            n->line, n->pos, mdoc_macronames[n->tok]);

-
-       return(1);

 }
 
 }
 

-static int
+static void

 post_nm(POST_ARGS)
 {
 post_nm(POST_ARGS)
 {

+       struct mdoc_node        *n;
+
+       n = mdoc->last;
+
+       if (n->last != NULL &&
+           (n->last->tok == MDOC_Pp ||
+            n->last->tok == MDOC_Lp))
+               mdoc_node_relink(mdoc, n->last);

 
        if (NULL != mdoc->meta.name)
 
        if (NULL != mdoc->meta.name)

-               return(1);
+               return;

 
 

-       mdoc_deroff(&mdoc->meta.name, mdoc->last);
+       mdoc_deroff(&mdoc->meta.name, n);

 
 

-       if (NULL == mdoc->meta.name) {
-               mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME);
-               mdoc->meta.name = mandoc_strdup("UNKNOWN");
-       }
-       return(1);
+       if (NULL == mdoc->meta.name)
+               mandoc_msg(MANDOCERR_NM_NONAME, mdoc->parse,
+                   n->line, n->pos, "Nm");

 }
 
 }
 

-static int
+static void
+post_nd(POST_ARGS)
+{
+       struct mdoc_node        *n;
+
+       n = mdoc->last;
+
+       if (n->type != MDOC_BODY)
+               return;
+
+       if (n->child == NULL)
+               mandoc_msg(MANDOCERR_ND_EMPTY, mdoc->parse,
+                   n->line, n->pos, "Nd");
+
+       post_hyph(mdoc);
+}
+
+static void
+post_d1(POST_ARGS)
+{
+       struct mdoc_node        *n;
+
+       n = mdoc->last;
+
+       if (n->type != MDOC_BODY)
+               return;
+
+       if (n->child == NULL)
+               mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse,
+                   n->line, n->pos, "D1");
+
+       post_hyph(mdoc);
+}
+
+static void

 post_literal(POST_ARGS)
 {
 post_literal(POST_ARGS)
 {

+       struct mdoc_node        *n;

 
 

-       /*
-        * The `Dl' (note "el" not "one") and `Bd' macros unset the
-        * MDOC_LITERAL flag as they leave.  Note that `Bd' only sets
-        * this in literal mode, but it doesn't hurt to just switch it
-        * off in general since displays can't be nested.
-        */
+       n = mdoc->last;

 
 

-       if (MDOC_BODY == mdoc->last->type)
-               mdoc->flags &= ~MDOC_LITERAL;
+       if (n->type != MDOC_BODY)
+               return;

 
 

-       return(1);
+       if (n->child == NULL)
+               mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse,
+                   n->line, n->pos, mdoc_macronames[n->tok]);
+
+       if (n->tok == MDOC_Bd &&
+           n->norm->Bd.type != DISP_literal &&
+           n->norm->Bd.type != DISP_unfilled)
+               return;
+
+       mdoc->flags &= ~MDOC_LITERAL;

 }
 
 }
 

-static int
+static void

 post_defaults(POST_ARGS)
 {
        struct mdoc_node *nn;
 post_defaults(POST_ARGS)
 {
        struct mdoc_node *nn;


@@ -1171,114 +1042,103 @@ post_defaults(POST_ARGS)
         */
 
        if (mdoc->last->child)
         */
 
        if (mdoc->last->child)

-               return(1);
+               return;

 
        nn = mdoc->last;
        mdoc->next = MDOC_NEXT_CHILD;
 
        switch (nn->tok) {
        case MDOC_Ar:
 
        nn = mdoc->last;
        mdoc->next = MDOC_NEXT_CHILD;
 
        switch (nn->tok) {
        case MDOC_Ar:

-               if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "file"))
-                       return(0);
-               if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "..."))
-                       return(0);
-               break;
-       case MDOC_At:
-               if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "AT&T"))
-                       return(0);
-               if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "UNIX"))
-                       return(0);
-               break;
-       case MDOC_Li:
-               if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, ""))
-                       return(0);
+               mdoc_word_alloc(mdoc, nn->line, nn->pos, "file");
+               mdoc_word_alloc(mdoc, nn->line, nn->pos, "...");

                break;
        case MDOC_Pa:
                /* FALLTHROUGH */
        case MDOC_Mt:
                break;
        case MDOC_Pa:
                /* FALLTHROUGH */
        case MDOC_Mt:

-               if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "~"))
-                       return(0);
+               mdoc_word_alloc(mdoc, nn->line, nn->pos, "~");

                break;
        default:
                abort();
                /* NOTREACHED */
        }
                break;
        default:
                abort();
                /* NOTREACHED */
        }

-

        mdoc->last = nn;
        mdoc->last = nn;

-       return(1);

 }
 
 }
 

-static int
+static void

 post_at(POST_ARGS)
 {
        struct mdoc_node        *n;
        const char              *std_att;
        char                    *att;
 
 post_at(POST_ARGS)
 {
        struct mdoc_node        *n;
        const char              *std_att;
        char                    *att;
 

+       n = mdoc->last;
+       if (n->child == NULL) {
+               mdoc->next = MDOC_NEXT_CHILD;
+               mdoc_word_alloc(mdoc, n->line, n->pos, "AT&T UNIX");
+               mdoc->last = n;
+               return;
+       }
+

        /*
         * If we have a child, look it up in the standard keys.  If a
         * key exist, use that instead of the child; if it doesn't,
         * prefix "AT&T UNIX " to the existing data.
         */
 
        /*
         * If we have a child, look it up in the standard keys.  If a
         * key exist, use that instead of the child; if it doesn't,
         * prefix "AT&T UNIX " to the existing data.
         */
 

-       if (NULL == (n = mdoc->last->child))
-               return(1);
-
+       n = n->child;

        assert(MDOC_TEXT == n->type);
        if (NULL == (std_att = mdoc_a2att(n->string))) {
        assert(MDOC_TEXT == n->type);
        if (NULL == (std_att = mdoc_a2att(n->string))) {

-               mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT);
+               mandoc_vmsg(MANDOCERR_AT_BAD, mdoc->parse,
+                   n->line, n->pos, "At %s", n->string);

                mandoc_asprintf(&att, "AT&T UNIX %s", n->string);
        } else
                att = mandoc_strdup(std_att);
 
        free(n->string);
        n->string = att;
                mandoc_asprintf(&att, "AT&T UNIX %s", n->string);
        } else
                att = mandoc_strdup(std_att);
 
        free(n->string);
        n->string = att;

-       return(1);

 }
 
 }
 

-static int
+static void

 post_an(POST_ARGS)
 {
 post_an(POST_ARGS)
 {

-       struct mdoc_node *np;
+       struct mdoc_node *np, *nch;

 
        np = mdoc->last;
 
        np = mdoc->last;

-       if (AUTH__NONE == np->norm->An.auth) {
-               if (0 == np->child)
-                       check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0);
-       } else if (np->child)
-               check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0);
-
-       return(1);
+       nch = np->child;
+       if (np->norm->An.auth == AUTH__NONE) {
+               if (nch == NULL)
+                       mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
+                           np->line, np->pos, "An");
+       } else if (nch != NULL)
+               mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
+                   nch->line, nch->pos, "An ... %s", nch->string);

 }
 
 }
 

-static int
+static void

 post_en(POST_ARGS)
 {
 
        if (MDOC_BLOCK == mdoc->last->type)
                mdoc->last->norm->Es = mdoc->last_es;
 post_en(POST_ARGS)
 {
 
        if (MDOC_BLOCK == mdoc->last->type)
                mdoc->last->norm->Es = mdoc->last_es;

-       return(1);

 }
 
 }
 

-static int
+static void

 post_es(POST_ARGS)
 {
 
        mdoc->last_es = mdoc->last;
 post_es(POST_ARGS)
 {
 
        mdoc->last_es = mdoc->last;

-       return(1);

 }
 
 }
 

-static int
+static void

 post_it(POST_ARGS)
 {
        int               i, cols;
        enum mdoc_list    lt;
        struct mdoc_node *nbl, *nit, *nch;
 post_it(POST_ARGS)
 {
        int               i, cols;
        enum mdoc_list    lt;
        struct mdoc_node *nbl, *nit, *nch;

-       enum mandocerr    er;

 
        nit = mdoc->last;
 
        nit = mdoc->last;

-       if (MDOC_BLOCK != nit->type)
-               return(1);
+       if (nit->type != MDOC_BLOCK)
+               return;

 
        nbl = nit->parent->parent;
        lt = nbl->norm->Bl.type;
 
        nbl = nit->parent->parent;
        lt = nbl->norm->Bl.type;


@@ -1293,9 +1153,10 @@ post_it(POST_ARGS)
        case LIST_inset:
                /* FALLTHROUGH */
        case LIST_diag:
        case LIST_inset:
                /* FALLTHROUGH */
        case LIST_diag:

-               if (NULL == nit->head->child)
-                       mandoc_msg(MANDOCERR_IT_NOHEAD,
+               if (nit->head->child == NULL)
+                       mandoc_vmsg(MANDOCERR_IT_NOHEAD,

                            mdoc->parse, nit->line, nit->pos,
                            mdoc->parse, nit->line, nit->pos,

+                           "Bl -%s It",

                            mdoc_argnames[nbl->args->argv[0].arg]);
                break;
        case LIST_bullet:
                            mdoc_argnames[nbl->args->argv[0].arg]);
                break;
        case LIST_bullet:


@@ -1305,13 +1166,14 @@ post_it(POST_ARGS)
        case LIST_enum:
                /* FALLTHROUGH */
        case LIST_hyphen:
        case LIST_enum:
                /* FALLTHROUGH */
        case LIST_hyphen:

-               if (NULL == nit->body->child)
-                       mandoc_msg(MANDOCERR_IT_NOBODY,
+               if (nit->body == NULL || nit->body->child == NULL)
+                       mandoc_vmsg(MANDOCERR_IT_NOBODY,

                            mdoc->parse, nit->line, nit->pos,
                            mdoc->parse, nit->line, nit->pos,

+                           "Bl -%s It",

                            mdoc_argnames[nbl->args->argv[0].arg]);
                /* FALLTHROUGH */
        case LIST_item:
                            mdoc_argnames[nbl->args->argv[0].arg]);
                /* FALLTHROUGH */
        case LIST_item:

-               if (NULL != nit->head->child)
+               if (nit->head->child != NULL)

                        mandoc_vmsg(MANDOCERR_ARG_SKIP,
                            mdoc->parse, nit->line, nit->pos,
                            "It %s", nit->head->child->string);
                        mandoc_vmsg(MANDOCERR_ARG_SKIP,
                            mdoc->parse, nit->line, nit->pos,
                            "It %s", nit->head->child->string);


@@ -1319,30 +1181,23 @@ post_it(POST_ARGS)
        case LIST_column:
                cols = (int)nbl->norm->Bl.ncols;
 
        case LIST_column:
                cols = (int)nbl->norm->Bl.ncols;
 

-               assert(NULL == nit->head->child);
+               assert(nit->head->child == NULL);

 
                for (i = 0, nch = nit->child; nch; nch = nch->next)
 
                for (i = 0, nch = nit->child; nch; nch = nch->next)

-                       if (MDOC_BODY == nch->type)
+                       if (nch->type == MDOC_BODY)

                                i++;
 
                                i++;
 

-               if (i < cols)
-                       er = MANDOCERR_ARGCOUNT;
-               else if (i == cols || i == cols + 1)
-                       break;
-               else
-                       er = MANDOCERR_SYNTARGCOUNT;
-
-               mandoc_vmsg(er, mdoc->parse, nit->line, nit->pos,
-                   "columns == %d (have %d)", cols, i);
-               return(MANDOCERR_ARGCOUNT == er);
+               if (i < cols || i > cols + 1)
+                       mandoc_vmsg(MANDOCERR_BL_COL,
+                           mdoc->parse, nit->line, nit->pos,
+                           "%d columns, %d cells", cols, i);
+               break;

        default:
                abort();
        }
        default:
                abort();
        }

-
-       return(1);

 }
 
 }
 

-static int
+static void

 post_bl_block(POST_ARGS)
 {
        struct mdoc_node *n, *ni, *nc;
 post_bl_block(POST_ARGS)
 {
        struct mdoc_node *n, *ni, *nc;


@@ -1359,12 +1214,7 @@ post_bl_block(POST_ARGS)
 
        if (LIST_tag == n->norm->Bl.type &&
            NULL == n->norm->Bl.width) {
 
        if (LIST_tag == n->norm->Bl.type &&
            NULL == n->norm->Bl.width) {

-               if ( ! post_bl_block_tag(mdoc))
-                       return(0);
-               assert(n->norm->Bl.width);
-       } else if (NULL != n->norm->Bl.width) {
-               if ( ! post_bl_block_width(mdoc))
-                       return(0);
+               post_bl_block_tag(mdoc);

                assert(n->norm->Bl.width);
        }
 
                assert(n->norm->Bl.width);
        }
 


@@ -1388,8 +1238,7 @@ post_bl_block(POST_ARGS)
                                mandoc_msg(MANDOCERR_PAR_MOVE,
                                    mdoc->parse, nc->line, nc->pos,
                                    mdoc_macronames[nc->tok]);
                                mandoc_msg(MANDOCERR_PAR_MOVE,
                                    mdoc->parse, nc->line, nc->pos,
                                    mdoc_macronames[nc->tok]);

-                               if ( ! mdoc_node_relink(mdoc, nc))
-                                       return(0);
+                               mdoc_node_relink(mdoc, nc);

                        } else if (0 == n->norm->Bl.comp &&
                            LIST_column != n->norm->Bl.type) {
                                mandoc_vmsg(MANDOCERR_PAR_SKIP,
                        } else if (0 == n->norm->Bl.comp &&
                            LIST_column != n->norm->Bl.type) {
                                mandoc_vmsg(MANDOCERR_PAR_SKIP,


@@ -1397,63 +1246,37 @@ post_bl_block(POST_ARGS)
                                    "%s before It",
                                    mdoc_macronames[nc->tok]);
                                mdoc_node_delete(mdoc, nc);
                                    "%s before It",
                                    mdoc_macronames[nc->tok]);
                                mdoc_node_delete(mdoc, nc);

-                       } else
-                               break;
-                       nc = ni->body->last;
-               }
-       }
-       return(1);
-}
-
-static int
-post_bl_block_width(POST_ARGS)
-{
-       size_t            width;
-       int               i;
-       enum mdoct        tok;
-       struct mdoc_node *n;
-       char              buf[24];
-
-       n = mdoc->last;
-
-       /*
-        * Calculate the real width of a list from the -width string,
-        * which may contain a macro (with a known default width), a
-        * literal string, or a scaling width.
-        *
-        * If the value to -width is a macro, then we re-write it to be
-        * the macro's width as set in share/tmac/mdoc/doc-common.
-        */
-
-       if (0 == strcmp(n->norm->Bl.width, "Ds"))
-               width = 6;
-       else if (MDOC_MAX == (tok = mdoc_hash_find(n->norm->Bl.width)))
-               return(1);
-       else if (0 == (width = macro2len(tok)))  {
-               mdoc_nmsg(mdoc, n, MANDOCERR_BADWIDTH);
-               return(1);
-       }
-
-       /* The value already exists: free and reallocate it. */
-
-       assert(n->args);
-
-       for (i = 0; i < (int)n->args->argc; i++)
-               if (MDOC_Width == n->args->argv[i].arg)
-                       break;
+                       } else
+                               break;
+                       nc = ni->body->last;
+               }
+       }
+}

 
 

-       assert(i < (int)n->args->argc);
+/*
+ * If the argument of -offset or -width is a macro,
+ * replace it with the associated default width.
+ */
+void
+rewrite_macro2len(char **arg)
+{
+       size_t            width;
+       enum mdoct        tok;

 
 

-       (void)snprintf(buf, sizeof(buf), "%un", (unsigned int)width);
-       free(n->args->argv[i].value[0]);
-       n->args->argv[i].value[0] = mandoc_strdup(buf);
+       if (*arg == NULL)
+               return;
+       else if ( ! strcmp(*arg, "Ds"))
+               width = 6;
+       else if ((tok = mdoc_hash_find(*arg)) == MDOC_MAX)
+               return;
+       else
+               width = macro2len(tok);

 
 

-       /* Set our width! */
-       n->norm->Bl.width = n->args->argv[i].value[0];
-       return(1);
+       free(*arg);
+       mandoc_asprintf(arg, "%zun", width);

 }
 
 }
 

-static int
+static void

 post_bl_block_tag(POST_ARGS)
 {
        struct mdoc_node *n, *nn;
 post_bl_block_tag(POST_ARGS)
 {
        struct mdoc_node *n, *nn;


@@ -1465,7 +1288,7 @@ post_bl_block_tag(POST_ARGS)
         * Calculate the -width for a `Bl -tag' list if it hasn't been
         * provided.  Uses the first head macro.  NOTE AGAIN: this is
         * ONLY if the -width argument has NOT been provided.  See
         * Calculate the -width for a `Bl -tag' list if it hasn't been
         * provided.  Uses the first head macro.  NOTE AGAIN: this is
         * ONLY if the -width argument has NOT been provided.  See

-        * post_bl_block_width() for converting the -width string.
+        * rewrite_macro2len() for converting the -width string.

         */
 
        sz = 10;
         */
 
        sz = 10;


@@ -1516,47 +1339,44 @@ post_bl_block_tag(POST_ARGS)
 
        /* Set our width! */
        n->norm->Bl.width = n->args->argv[i].value[0];
 
        /* Set our width! */
        n->norm->Bl.width = n->args->argv[i].value[0];

-       return(1);

 }
 
 }
 

-static int
+static void

 post_bl_head(POST_ARGS)
 {
 post_bl_head(POST_ARGS)
 {

-       struct mdoc_node *np, *nn, *nnp;
+       struct mdoc_node *nbl, *nh, *nch, *nnext;
+       struct mdoc_argv *argv;

        int               i, j;
 
        int               i, j;
 

-       if (LIST_column != mdoc->last->norm->Bl.type)
-               /* FIXME: this should be ERROR class... */
-               return(hwarn_eq0(mdoc));
+       nh = mdoc->last;
+
+       if (nh->norm->Bl.type != LIST_column) {
+               if ((nch = nh->child) == NULL)
+                       return;
+               mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
+                   nch->line, nch->pos, "Bl ... %s", nch->string);
+               while (nch != NULL) {
+                       mdoc_node_delete(mdoc, nch);
+                       nch = nh->child;
+               }
+               return;
+       }

 
        /*
 
        /*

-        * Convert old-style lists, where the column width specifiers
+        * Append old-style lists, where the column width specifiers

         * trail as macro parameters, to the new-style ("normal-form")
         * lists where they're argument values following -column.
         */
 
         * trail as macro parameters, to the new-style ("normal-form")
         * lists where they're argument values following -column.
         */
 

-       /* First, disallow both types and allow normal-form. */
-
-       /*
-        * TODO: technically, we can accept both and just merge the two
-        * lists, but I'll leave that for another day.
-        */
-
-       if (mdoc->last->norm->Bl.ncols && mdoc->last->nchild) {
-               mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_COLUMNS);
-               return(0);
-       } else if (NULL == mdoc->last->child)
-               return(1);
-
-       np = mdoc->last->parent;
-       assert(np->args);
+       if (nh->child == NULL)
+               return;

 
 

-       for (j = 0; j < (int)np->args->argc; j++)
-               if (MDOC_Column == np->args->argv[j].arg)
+       nbl = nh->parent;
+       for (j = 0; j < (int)nbl->args->argc; j++)
+               if (nbl->args->argv[j].arg == MDOC_Column)

                        break;
 
                        break;
 

-       assert(j < (int)np->args->argc);
-       assert(0 == np->args->argv[j].sz);
+       assert(j < (int)nbl->args->argc);

 
        /*
         * Accommodate for new-style groff column syntax.  Shuffle the
 
        /*
         * Accommodate for new-style groff column syntax.  Shuffle the


@@ -1564,28 +1384,26 @@ post_bl_head(POST_ARGS)
         * column field.  Then, delete the head children.
         */
 
         * column field.  Then, delete the head children.
         */
 

-       np->args->argv[j].sz = (size_t)mdoc->last->nchild;
-       np->args->argv[j].value = mandoc_reallocarray(NULL,
-           (size_t)mdoc->last->nchild, sizeof(char *));
+       argv = nbl->args->argv + j;
+       i = argv->sz;
+       argv->sz += nh->nchild;
+       argv->value = mandoc_reallocarray(argv->value,
+           argv->sz, sizeof(char *));

 
 

-       mdoc->last->norm->Bl.ncols = np->args->argv[j].sz;
-       mdoc->last->norm->Bl.cols = (void *)np->args->argv[j].value;
+       nh->norm->Bl.ncols = argv->sz;
+       nh->norm->Bl.cols = (void *)argv->value;

 
 

-       for (i = 0, nn = mdoc->last->child; nn; i++) {
-               np->args->argv[j].value[i] = nn->string;
-               nn->string = NULL;
-               nnp = nn;
-               nn = nn->next;
-               mdoc_node_delete(NULL, nnp);
+       for (nch = nh->child; nch != NULL; nch = nnext) {
+               argv->value[i++] = nch->string;
+               nch->string = NULL;
+               nnext = nch->next;
+               mdoc_node_delete(NULL, nch);

        }
        }

-
-       mdoc->last->nchild = 0;
-       mdoc->last->child = NULL;
-
-       return(1);
+       nh->nchild = 0;
+       nh->child = NULL;

 }
 
 }
 

-static int
+static void

 post_bl(POST_ARGS)
 {
        struct mdoc_node        *nparent, *nprev; /* of the Bl block */
 post_bl(POST_ARGS)
 {
        struct mdoc_node        *nparent, *nprev; /* of the Bl block */


@@ -1595,18 +1413,28 @@ post_bl(POST_ARGS)
        nbody = mdoc->last;
        switch (nbody->type) {
        case MDOC_BLOCK:
        nbody = mdoc->last;
        switch (nbody->type) {
        case MDOC_BLOCK:

-               return(post_bl_block(mdoc));
+               post_bl_block(mdoc);
+               return;

        case MDOC_HEAD:
        case MDOC_HEAD:

-               return(post_bl_head(mdoc));
+               post_bl_head(mdoc);
+               return;

        case MDOC_BODY:
                break;
        default:
        case MDOC_BODY:
                break;
        default:

-               return(1);
+               return;

        }
 
        nchild = nbody->child;
        }
 
        nchild = nbody->child;

-       while (NULL != nchild) {
-               if (MDOC_It == nchild->tok || MDOC_Sm == nchild->tok) {
+       if (nchild == NULL) {
+               mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse,
+                   nbody->line, nbody->pos, "Bl");
+               return;
+       }
+       while (nchild != NULL) {
+               if (nchild->tok == MDOC_It ||
+                   (nchild->tok == MDOC_Sm &&
+                    nchild->next != NULL &&
+                    nchild->next->tok == MDOC_It)) {

                        nchild = nchild->next;
                        continue;
                }
                        nchild = nchild->next;
                        continue;
                }


@@ -1656,179 +1484,169 @@ post_bl(POST_ARGS)
 
                nchild = nnext;
        }
 
                nchild = nnext;
        }

-
-       return(1);

 }
 
 }
 

-static int
-ebool(struct mdoc *mdoc)
+static void
+post_bk(POST_ARGS)

 {
 {

+       struct mdoc_node        *n;
+
+       n = mdoc->last;

 
 

-       if (NULL == mdoc->last->child) {
-               if (MDOC_Sm == mdoc->last->tok)
-                       mdoc->flags ^= MDOC_SMOFF;
-               return(1);
+       if (n->type == MDOC_BLOCK && n->body->child == NULL) {
+               mandoc_msg(MANDOCERR_BLK_EMPTY,
+                   mdoc->parse, n->line, n->pos, "Bk");
+               mdoc_node_delete(mdoc, n);

        }
        }

+}
+
+static void
+post_sm(struct mdoc *mdoc)
+{
+       struct mdoc_node        *nch;

 
 

-       check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_LT, 2);
+       nch = mdoc->last->child;

 
 

-       assert(MDOC_TEXT == mdoc->last->child->type);
+       if (nch == NULL) {
+               mdoc->flags ^= MDOC_SMOFF;
+               return;
+       }

 
 

-       if (0 == strcmp(mdoc->last->child->string, "on")) {
-               if (MDOC_Sm == mdoc->last->tok)
-                       mdoc->flags &= ~MDOC_SMOFF;
-               return(1);
+       assert(nch->type == MDOC_TEXT);
+
+       if ( ! strcmp(nch->string, "on")) {
+               mdoc->flags &= ~MDOC_SMOFF;
+               return;

        }
        }

-       if (0 == strcmp(mdoc->last->child->string, "off")) {
-               if (MDOC_Sm == mdoc->last->tok)
-                       mdoc->flags |= MDOC_SMOFF;
-               return(1);
+       if ( ! strcmp(nch->string, "off")) {
+               mdoc->flags |= MDOC_SMOFF;
+               return;

        }
 
        }
 

-       mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADBOOL);
-       return(1);
+       mandoc_vmsg(MANDOCERR_SM_BAD,
+           mdoc->parse, nch->line, nch->pos,
+           "%s %s", mdoc_macronames[mdoc->last->tok], nch->string);
+       mdoc_node_relink(mdoc, nch);
+       return;

 }
 
 }
 

-static int
+static void

 post_root(POST_ARGS)
 {
 post_root(POST_ARGS)
 {

-       int               ret;

        struct mdoc_node *n;
 
        struct mdoc_node *n;
 

-       ret = 1;
+       /* Add missing prologue data. */

 
 

-       /* Check that we have a finished prologue. */
+       if (mdoc->meta.date == NULL)
+               mdoc->meta.date = mdoc->quick ?
+                   mandoc_strdup("") :
+                   mandoc_normdate(mdoc->parse, NULL, 0, 0);

 
 

-       if ( ! (MDOC_PBODY & mdoc->flags)) {
-               ret = 0;
-               mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
+       if (mdoc->meta.title == NULL) {
+               mandoc_msg(MANDOCERR_DT_NOTITLE,
+                   mdoc->parse, 0, 0, "EOF");
+               mdoc->meta.title = mandoc_strdup("UNTITLED");

        }
 
        }
 

-       n = mdoc->first;
-       assert(n);
+       if (mdoc->meta.vol == NULL)
+               mdoc->meta.vol = mandoc_strdup("LOCAL");
+
+       if (mdoc->meta.os == NULL) {
+               mandoc_msg(MANDOCERR_OS_MISSING,
+                   mdoc->parse, 0, 0, NULL);
+               mdoc->meta.os = mandoc_strdup("");
+       }

 
        /* Check that we begin with a proper `Sh'. */
 
 
        /* Check that we begin with a proper `Sh'. */
 

-       if (NULL == n->child)
-               mdoc_nmsg(mdoc, n, MANDOCERR_DOC_EMPTY);
-       else if (MDOC_Sh != n->child->tok)
-               mandoc_msg(MANDOCERR_SEC_BEFORE, mdoc->parse,
-                   n->child->line, n->child->pos,
-                   mdoc_macronames[n->child->tok]);
+       n = mdoc->first->child;
+       while (n != NULL && mdoc_macros[n->tok].flags & MDOC_PROLOGUE)
+               n = n->next;

 
 

-       return(ret);
+       if (n == NULL)
+               mandoc_msg(MANDOCERR_DOC_EMPTY, mdoc->parse, 0, 0, NULL);
+       else if (n->tok != MDOC_Sh)
+               mandoc_msg(MANDOCERR_SEC_BEFORE, mdoc->parse,
+                   n->line, n->pos, mdoc_macronames[n->tok]);

 }
 
 }
 

-static int
+static void

 post_st(POST_ARGS)
 {
 post_st(POST_ARGS)
 {

-       struct mdoc_node         *ch;
+       struct mdoc_node         *n, *nch;

        const char               *p;
 
        const char               *p;
 

-       if (NULL == (ch = mdoc->last->child)) {
-               mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
-                   mdoc->last->line, mdoc->last->pos,
-                   mdoc_macronames[mdoc->last->tok]);
-               mdoc_node_delete(mdoc, mdoc->last);
-               return(1);
-       }
+       n = mdoc->last;
+       nch = n->child;

 
 

-       assert(MDOC_TEXT == ch->type);
+       assert(MDOC_TEXT == nch->type);

 
 

-       if (NULL == (p = mdoc_a2st(ch->string))) {
-               mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD);
-               mdoc_node_delete(mdoc, mdoc->last);
+       if (NULL == (p = mdoc_a2st(nch->string))) {
+               mandoc_vmsg(MANDOCERR_ST_BAD, mdoc->parse,
+                   nch->line, nch->pos, "St %s", nch->string);
+               mdoc_node_delete(mdoc, n);

        } else {
        } else {

-               free(ch->string);
-               ch->string = mandoc_strdup(p);
+               free(nch->string);
+               nch->string = mandoc_strdup(p);

        }
        }

-
-       return(1);

 }
 
 }
 

-static int
+static void

 post_rs(POST_ARGS)
 {
 post_rs(POST_ARGS)
 {

-       struct mdoc_node *nn, *next, *prev;
+       struct mdoc_node *np, *nch, *next, *prev;

        int               i, j;
 
        int               i, j;
 

-       switch (mdoc->last->type) {
-       case MDOC_HEAD:
-               check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0);
-               return(1);
-       case MDOC_BODY:
-               if (mdoc->last->child)
-                       break;
-               check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0);
-               return(1);
-       default:
-               return(1);
-       }
-
-       /*
-        * Make sure only certain types of nodes are allowed within the
-        * the `Rs' body.  Delete offending nodes and raise a warning.
-        * Do this before re-ordering for the sake of clarity.
-        */
-
-       next = NULL;
-       for (nn = mdoc->last->child; nn; nn = next) {
-               for (i = 0; i < RSORD_MAX; i++)
-                       if (nn->tok == rsord[i])
-                               break;
+       np = mdoc->last;

 
 

-               if (i < RSORD_MAX) {
-                       if (MDOC__J == rsord[i] || MDOC__B == rsord[i])
-                               mdoc->last->norm->Rs.quote_T++;
-                       next = nn->next;
-                       continue;
-               }
+       if (np->type != MDOC_BODY)
+               return;

 
 

-               next = nn->next;
-               mandoc_msg(MANDOCERR_RS_SKIP, mdoc->parse,
-                   nn->line, nn->pos, mdoc_macronames[nn->tok]);
-               mdoc_node_delete(mdoc, nn);
+       if (np->child == NULL) {
+               mandoc_msg(MANDOCERR_RS_EMPTY, mdoc->parse,
+                   np->line, np->pos, "Rs");
+               return;

        }
 
        }
 

-       /*
-        * Nothing to sort if only invalid nodes were found
-        * inside the `Rs' body.
-        */
-
-       if (NULL == mdoc->last->child)
-               return(1);
-

        /*
         * The full `Rs' block needs special handling to order the
         * sub-elements according to `rsord'.  Pick through each element
        /*
         * The full `Rs' block needs special handling to order the
         * sub-elements according to `rsord'.  Pick through each element

-        * and correctly order it.  This is a insertion sort.
+        * and correctly order it.  This is an insertion sort.

         */
 
        next = NULL;
         */
 
        next = NULL;

-       for (nn = mdoc->last->child->next; nn; nn = next) {
-               /* Determine order of `nn'. */
+       for (nch = np->child->next; nch != NULL; nch = next) {
+               /* Determine order number of this child. */

                for (i = 0; i < RSORD_MAX; i++)
                for (i = 0; i < RSORD_MAX; i++)

-                       if (rsord[i] == nn->tok)
+                       if (rsord[i] == nch->tok)

                                break;
 
                                break;
 

+               if (i == RSORD_MAX) {
+                       mandoc_msg(MANDOCERR_RS_BAD,
+                           mdoc->parse, nch->line, nch->pos,
+                           mdoc_macronames[nch->tok]);
+                       i = -1;
+               } else if (nch->tok == MDOC__J || nch->tok == MDOC__B)
+                       np->norm->Rs.quote_T++;
+

                /*
                /*

-                * Remove `nn' from the chain.  This somewhat
+                * Remove this child from the chain.  This somewhat

                 * repeats mdoc_node_unlink(), but since we're
                 * just re-ordering, there's no need for the
                 * full unlink process.
                 */
 
                 * repeats mdoc_node_unlink(), but since we're
                 * just re-ordering, there's no need for the
                 * full unlink process.
                 */
 

-               if (NULL != (next = nn->next))
-                       next->prev = nn->prev;
+               if ((next = nch->next) != NULL)
+                       next->prev = nch->prev;

 
 

-               if (NULL != (prev = nn->prev))
-                       prev->next = nn->next;
+               if ((prev = nch->prev) != NULL)
+                       prev->next = nch->next;

 
 

-               nn->prev = nn->next = NULL;
+               nch->prev = nch->next = NULL;

 
                /*
                 * Scan back until we reach a node that's
 
                /*
                 * Scan back until we reach a node that's

-                * ordered before `nn'.
+                * to be ordered before this child.

                 */
 
                for ( ; prev ; prev = prev->prev) {
                 */
 
                for ( ; prev ; prev = prev->prev) {


@@ -1836,103 +1654,101 @@ post_rs(POST_ARGS)
                        for (j = 0; j < RSORD_MAX; j++)
                                if (rsord[j] == prev->tok)
                                        break;
                        for (j = 0; j < RSORD_MAX; j++)
                                if (rsord[j] == prev->tok)
                                        break;

+                       if (j == RSORD_MAX)
+                               j = -1;

 
                        if (j <= i)
                                break;
                }
 
                /*
 
                        if (j <= i)
                                break;
                }
 
                /*

-                * Set `nn' back into its correct place in front
-                * of the `prev' node.
+                * Set this child back into its correct place
+                * in front of the `prev' node.

                 */
 
                 */
 

-               nn->prev = prev;
+               nch->prev = prev;

 
 

-               if (prev) {
-                       if (prev->next)
-                               prev->next->prev = nn;
-                       nn->next = prev->next;
-                       prev->next = nn;
+               if (prev == NULL) {
+                       np->child->prev = nch;
+                       nch->next = np->child;
+                       np->child = nch;

                } else {
                } else {

-                       mdoc->last->child->prev = nn;
-                       nn->next = mdoc->last->child;
-                       mdoc->last->child = nn;
+                       if (prev->next)
+                               prev->next->prev = nch;
+                       nch->next = prev->next;
+                       prev->next = nch;

                }
        }
                }
        }

-
-       return(1);

 }
 
 /*
  * For some arguments of some macros,
  * convert all breakable hyphens into ASCII_HYPH.
  */
 }
 
 /*
  * For some arguments of some macros,
  * convert all breakable hyphens into ASCII_HYPH.
  */

-static int
+static void

 post_hyph(POST_ARGS)
 {
 post_hyph(POST_ARGS)
 {

-       struct mdoc_node        *n, *nch;
+       struct mdoc_node        *nch;

        char                    *cp;
 
        char                    *cp;
 

-       n = mdoc->last;
-       switch (n->type) {
-       case MDOC_HEAD:
-               if (MDOC_Sh == n->tok || MDOC_Ss == n->tok)
-                       break;
-               return(1);
-       case MDOC_BODY:
-               if (MDOC_D1 == n->tok || MDOC_Nd == n->tok)
-                       break;
-               return(1);
-       case MDOC_ELEM:
-               break;
-       default:
-               return(1);
-       }
-
-       for (nch = n->child; nch; nch = nch->next) {
-               if (MDOC_TEXT != nch->type)
+       for (nch = mdoc->last->child; nch != NULL; nch = nch->next) {
+               if (nch->type != MDOC_TEXT)

                        continue;
                cp = nch->string;
                        continue;
                cp = nch->string;

-               if ('\0' == *cp)
+               if (*cp == '\0')

                        continue;
                        continue;

-               while ('\0' != *(++cp))
-                       if ('-' == *cp &&
+               while (*(++cp) != '\0')
+                       if (*cp == '-' &&

                            isalpha((unsigned char)cp[-1]) &&
                            isalpha((unsigned char)cp[1]))
                                *cp = ASCII_HYPH;
        }
                            isalpha((unsigned char)cp[-1]) &&
                            isalpha((unsigned char)cp[1]))
                                *cp = ASCII_HYPH;
        }

-       return(1);

 }
 
 }
 

-static int
+static void

 post_ns(POST_ARGS)
 {
 
        if (MDOC_LINE & mdoc->last->flags)
 post_ns(POST_ARGS)
 {
 
        if (MDOC_LINE & mdoc->last->flags)

-               mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NS_SKIP);
-       return(1);
+               mandoc_msg(MANDOCERR_NS_SKIP, mdoc->parse,
+                   mdoc->last->line, mdoc->last->pos, NULL);

 }
 
 }
 

-static int
+static void

 post_sh(POST_ARGS)
 {
 
 post_sh(POST_ARGS)
 {
 

-       if (MDOC_HEAD == mdoc->last->type)
-               return(post_sh_head(mdoc));
-       if (MDOC_BODY == mdoc->last->type)
-               return(post_sh_body(mdoc));
+       post_ignpar(mdoc);

 
 

-       return(1);
+       switch (mdoc->last->type) {
+       case MDOC_HEAD:
+               post_sh_head(mdoc);
+               break;
+       case MDOC_BODY:
+               switch (mdoc->lastsec)  {
+               case SEC_NAME:
+                       post_sh_name(mdoc);
+                       break;
+               case SEC_SEE_ALSO:
+                       post_sh_see_also(mdoc);
+                       break;
+               case SEC_AUTHORS:
+                       post_sh_authors(mdoc);
+                       break;
+               default:
+                       break;
+               }
+               break;
+       default:
+               break;
+       }

 }
 
 }
 

-static int
-post_sh_body(POST_ARGS)
+static void
+post_sh_name(POST_ARGS)

 {
        struct mdoc_node *n;
 
 {
        struct mdoc_node *n;
 

-       if (SEC_NAME != mdoc->lastsec)
-               return(1);
-

        /*
         * Warn if the NAME section doesn't contain the `Nm' and `Nd'
         * macros (can have multiple `Nm' and one `Nd').  Note that the
        /*
         * Warn if the NAME section doesn't contain the `Nm' and `Nd'
         * macros (can have multiple `Nm' and one `Nd').  Note that the


@@ -1942,7 +1758,7 @@ post_sh_body(POST_ARGS)
        if (NULL == (n = mdoc->last->child)) {
                mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse,
                    mdoc->last->line, mdoc->last->pos, "empty");
        if (NULL == (n = mdoc->last->child)) {
                mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse,
                    mdoc->last->line, mdoc->last->pos, "empty");

-               return(1);
+               return;

        }
 
        for ( ; n && n->next; n = n->next) {
        }
 
        for ( ; n && n->next; n = n->next) {


@@ -1956,14 +1772,94 @@ post_sh_body(POST_ARGS)
 
        assert(n);
        if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
 
        assert(n);
        if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)

-               return(1);
+               return;

 
        mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse,
            n->line, n->pos, mdoc_macronames[n->tok]);
 
        mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse,
            n->line, n->pos, mdoc_macronames[n->tok]);

-       return(1);
+}
+
+static void
+post_sh_see_also(POST_ARGS)
+{
+       const struct mdoc_node  *n;
+       const char              *name, *sec;
+       const char              *lastname, *lastsec, *lastpunct;
+       int                      cmp;
+
+       n = mdoc->last->child;
+       lastname = lastsec = lastpunct = NULL;
+       while (n != NULL) {
+               if (n->tok != MDOC_Xr || n->nchild < 2)
+                       break;
+
+               /* Process one .Xr node. */
+
+               name = n->child->string;
+               sec = n->child->next->string;
+               if (lastsec != NULL) {
+                       if (lastpunct[0] != ',' || lastpunct[1] != '\0')
+                               mandoc_vmsg(MANDOCERR_XR_PUNCT,
+                                   mdoc->parse, n->line, n->pos,
+                                   "%s before %s(%s)", lastpunct,
+                                   name, sec);
+                       cmp = strcmp(lastsec, sec);
+                       if (cmp > 0)
+                               mandoc_vmsg(MANDOCERR_XR_ORDER,
+                                   mdoc->parse, n->line, n->pos,
+                                   "%s(%s) after %s(%s)", name,
+                                   sec, lastname, lastsec);
+                       else if (cmp == 0 &&
+                           strcasecmp(lastname, name) > 0)
+                               mandoc_vmsg(MANDOCERR_XR_ORDER,
+                                   mdoc->parse, n->line, n->pos,
+                                   "%s after %s", name, lastname);
+               }
+               lastname = name;
+               lastsec = sec;
+
+               /* Process the following node. */
+
+               n = n->next;
+               if (n == NULL)
+                       break;
+               if (n->tok == MDOC_Xr) {
+                       lastpunct = "none";
+                       continue;
+               }
+               if (n->type != MDOC_TEXT)
+                       break;
+               for (name = n->string; *name != '\0'; name++)
+                       if (isalpha((const unsigned char)*name))
+                               return;
+               lastpunct = n->string;
+               if (n->next == NULL)
+                       mandoc_vmsg(MANDOCERR_XR_PUNCT, mdoc->parse,
+                           n->line, n->pos, "%s after %s(%s)",
+                           lastpunct, lastname, lastsec);
+               n = n->next;
+       }

 }
 
 static int
 }
 
 static int

+child_an(const struct mdoc_node *n)
+{
+
+       for (n = n->child; n != NULL; n = n->next)
+               if ((n->tok == MDOC_An && n->nchild) || child_an(n))
+                       return(1);
+       return(0);
+}
+
+static void
+post_sh_authors(POST_ARGS)
+{
+
+       if ( ! child_an(mdoc->last))
+               mandoc_msg(MANDOCERR_AN_MISSING, mdoc->parse,
+                   mdoc->last->line, mdoc->last->pos, NULL);
+}
+
+static void

 post_sh_head(POST_ARGS)
 {
        struct mdoc_node *n;
 post_sh_head(POST_ARGS)
 {
        struct mdoc_node *n;


@@ -1986,8 +1882,9 @@ post_sh_head(POST_ARGS)
        /* The NAME should be first. */
 
        if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
        /* The NAME should be first. */
 
        if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)

-               mandoc_msg(MANDOCERR_NAMESEC_FIRST, mdoc->parse,
-                   mdoc->last->line, mdoc->last->pos, secname);
+               mandoc_vmsg(MANDOCERR_NAMESEC_FIRST, mdoc->parse,
+                   mdoc->last->line, mdoc->last->pos,
+                   "Sh %s", secname);

 
        /* The SYNOPSIS gets special attention in other areas. */
 
 
        /* The SYNOPSIS gets special attention in other areas. */
 


@@ -2021,7 +1918,7 @@ post_sh_head(POST_ARGS)
 
        if (SEC_CUSTOM == sec) {
                free(secname);
 
        if (SEC_CUSTOM == sec) {
                free(secname);

-               return(1);
+               return;

        }
 
        /*
        }
 
        /*


@@ -2030,12 +1927,14 @@ post_sh_head(POST_ARGS)
         */
 
        if (sec == mdoc->lastnamed)
         */
 
        if (sec == mdoc->lastnamed)

-               mandoc_msg(MANDOCERR_SEC_REP, mdoc->parse,
-                   mdoc->last->line, mdoc->last->pos, secname);
+               mandoc_vmsg(MANDOCERR_SEC_REP, mdoc->parse,
+                   mdoc->last->line, mdoc->last->pos,
+                   "Sh %s", secname);

 
        if (sec < mdoc->lastnamed)
 
        if (sec < mdoc->lastnamed)

-               mandoc_msg(MANDOCERR_SEC_ORDER, mdoc->parse,
-                   mdoc->last->line, mdoc->last->pos, secname);
+               mandoc_vmsg(MANDOCERR_SEC_ORDER, mdoc->parse,
+                   mdoc->last->line, mdoc->last->pos,
+                   "Sh %s", secname);

 
        /* Mark the last named section. */
 
 
        /* Mark the last named section. */
 


@@ -2043,7 +1942,10 @@ post_sh_head(POST_ARGS)
 
        /* Check particular section/manual conventions. */
 
 
        /* Check particular section/manual conventions. */
 

-       assert(mdoc->meta.msec);
+       if (mdoc->meta.msec == NULL) {
+               free(secname);
+               return;
+       }

 
        goodsec = NULL;
        switch (sec) {
 
        goodsec = NULL;
        switch (sec) {


@@ -2069,23 +1971,28 @@ post_sh_head(POST_ARGS)
                        goodsec = "9";
                mandoc_vmsg(MANDOCERR_SEC_MSEC, mdoc->parse,
                    mdoc->last->line, mdoc->last->pos,
                        goodsec = "9";
                mandoc_vmsg(MANDOCERR_SEC_MSEC, mdoc->parse,
                    mdoc->last->line, mdoc->last->pos,

-                   "%s for %s only", secname, goodsec);
+                   "Sh %s for %s only", secname, goodsec);

                break;
        default:
                break;
        }
                break;
        default:
                break;
        }

-

        free(secname);
        free(secname);

-       return(1);

 }
 
 }
 

-static int
+static void

 post_ignpar(POST_ARGS)
 {
        struct mdoc_node *np;
 
 post_ignpar(POST_ARGS)
 {
        struct mdoc_node *np;
 

-       if (MDOC_BODY != mdoc->last->type)
-               return(1);
+       switch (mdoc->last->type) {
+       case MDOC_HEAD:
+               post_hyph(mdoc);
+               return;
+       case MDOC_BODY:
+               break;
+       default:
+               return;
+       }

 
        if (NULL != (np = mdoc->last->child))
                if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) {
 
        if (NULL != (np = mdoc->last->child))
                if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) {


@@ -2104,18 +2011,16 @@ post_ignpar(POST_ARGS)
                            mdoc_macronames[mdoc->last->tok]);
                        mdoc_node_delete(mdoc, np);
                }
                            mdoc_macronames[mdoc->last->tok]);
                        mdoc_node_delete(mdoc, np);
                }

-
-       return(1);

 }
 
 }
 

-static int
+static void

 pre_par(PRE_ARGS)
 {
 
        if (NULL == mdoc->last)
 pre_par(PRE_ARGS)
 {
 
        if (NULL == mdoc->last)

-               return(1);
+               return;

        if (MDOC_ELEM != n->type && MDOC_BLOCK != n->type)
        if (MDOC_ELEM != n->type && MDOC_BLOCK != n->type)

-               return(1);
+               return;

 
        /*
         * Don't allow prior `Lp' or `Pp' prior to a paragraph-type
 
        /*
         * Don't allow prior `Lp' or `Pp' prior to a paragraph-type


@@ -2125,56 +2030,62 @@ pre_par(PRE_ARGS)
        if (MDOC_Pp != mdoc->last->tok &&
            MDOC_Lp != mdoc->last->tok &&
            MDOC_br != mdoc->last->tok)
        if (MDOC_Pp != mdoc->last->tok &&
            MDOC_Lp != mdoc->last->tok &&
            MDOC_br != mdoc->last->tok)

-               return(1);
+               return;

        if (MDOC_Bl == n->tok && n->norm->Bl.comp)
        if (MDOC_Bl == n->tok && n->norm->Bl.comp)

-               return(1);
+               return;

        if (MDOC_Bd == n->tok && n->norm->Bd.comp)
        if (MDOC_Bd == n->tok && n->norm->Bd.comp)

-               return(1);
+               return;

        if (MDOC_It == n->tok && n->parent->norm->Bl.comp)
        if (MDOC_It == n->tok && n->parent->norm->Bl.comp)

-               return(1);
+               return;

 
        mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
            mdoc->last->line, mdoc->last->pos,
            "%s before %s", mdoc_macronames[mdoc->last->tok],
            mdoc_macronames[n->tok]);
        mdoc_node_delete(mdoc, mdoc->last);
 
        mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
            mdoc->last->line, mdoc->last->pos,
            "%s before %s", mdoc_macronames[mdoc->last->tok],
            mdoc_macronames[n->tok]);
        mdoc_node_delete(mdoc, mdoc->last);

-       return(1);

 }
 
 }
 

-static int
+static void

 post_par(POST_ARGS)
 {
        struct mdoc_node *np;
 
 post_par(POST_ARGS)
 {
        struct mdoc_node *np;
 

-       if (MDOC_ELEM != mdoc->last->type &&
-           MDOC_BLOCK != mdoc->last->type)
-               return(1);
+       np = mdoc->last;
+
+       if (np->tok == MDOC_sp) {
+               if (np->nchild > 1)
+                       mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
+                           np->child->next->line, np->child->next->pos,
+                           "sp ... %s", np->child->next->string);
+       } else if (np->child != NULL)
+               mandoc_vmsg(MANDOCERR_ARG_SKIP,
+                   mdoc->parse, np->line, np->pos, "%s %s",
+                   mdoc_macronames[np->tok], np->child->string);

 
        if (NULL == (np = mdoc->last->prev)) {
                np = mdoc->last->parent;
                if (MDOC_Sh != np->tok && MDOC_Ss != np->tok)
 
        if (NULL == (np = mdoc->last->prev)) {
                np = mdoc->last->parent;
                if (MDOC_Sh != np->tok && MDOC_Ss != np->tok)

-                       return(1);
-       } else {
-               if (MDOC_Pp != np->tok && MDOC_Lp != np->tok &&
-                   (MDOC_br != mdoc->last->tok ||
-                    (MDOC_sp != np->tok && MDOC_br != np->tok)))
-                       return(1);
-       }
+                       return;
+       } else if (MDOC_Pp != np->tok && MDOC_Lp != np->tok &&
+           (MDOC_br != mdoc->last->tok ||
+            (MDOC_sp != np->tok && MDOC_br != np->tok)))
+               return;

 
        mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
            mdoc->last->line, mdoc->last->pos,
            "%s after %s", mdoc_macronames[mdoc->last->tok],
            mdoc_macronames[np->tok]);
        mdoc_node_delete(mdoc, mdoc->last);
 
        mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
            mdoc->last->line, mdoc->last->pos,
            "%s after %s", mdoc_macronames[mdoc->last->tok],
            mdoc_macronames[np->tok]);
        mdoc_node_delete(mdoc, mdoc->last);

-       return(1);

 }
 
 }
 

-static int
+static void

 pre_literal(PRE_ARGS)
 {
 
 pre_literal(PRE_ARGS)
 {
 

+       pre_display(mdoc, n);
+

        if (MDOC_BODY != n->type)
        if (MDOC_BODY != n->type)

-               return(1);
+               return;

 
        /*
         * The `Dl' (note "el" not "one") and `Bd -literal' and `Bd
 
        /*
         * The `Dl' (note "el" not "one") and `Bd -literal' and `Bd


@@ -2195,11 +2106,9 @@ pre_literal(PRE_ARGS)
                abort();
                /* NOTREACHED */
        }
                abort();
                /* NOTREACHED */
        }

-
-       return(1);

 }
 
 }
 

-static int
+static void

 post_dd(POST_ARGS)
 {
        struct mdoc_node *n;
 post_dd(POST_ARGS)
 {
        struct mdoc_node *n;


@@ -2212,7 +2121,7 @@ post_dd(POST_ARGS)
        if (NULL == n->child || '\0' == n->child->string[0]) {
                mdoc->meta.date = mdoc->quick ? mandoc_strdup("") :
                    mandoc_normdate(mdoc->parse, NULL, n->line, n->pos);
        if (NULL == n->child || '\0' == n->child->string[0]) {
                mdoc->meta.date = mdoc->quick ? mandoc_strdup("") :
                    mandoc_normdate(mdoc->parse, NULL, n->line, n->pos);

-               return(1);
+               goto out;

        }
 
        datestr = NULL;
        }
 
        datestr = NULL;


@@ -2224,10 +2133,11 @@ post_dd(POST_ARGS)
                    datestr, n->line, n->pos);
                free(datestr);
        }
                    datestr, n->line, n->pos);
                free(datestr);
        }

-       return(1);
+out:
+       mdoc_node_delete(mdoc, n);

 }
 
 }
 

-static int
+static void

 post_dt(POST_ARGS)
 {
        struct mdoc_node *nn, *n;
 post_dt(POST_ARGS)
 {
        struct mdoc_node *nn, *n;


@@ -2236,14 +2146,15 @@ post_dt(POST_ARGS)
 
        n = mdoc->last;
 
 
        n = mdoc->last;
 

-       if (mdoc->meta.title)
-               free(mdoc->meta.title);
-       if (mdoc->meta.vol)
-               free(mdoc->meta.vol);
-       if (mdoc->meta.arch)
-               free(mdoc->meta.arch);
+       free(mdoc->meta.title);
+       free(mdoc->meta.msec);
+       free(mdoc->meta.vol);
+       free(mdoc->meta.arch);

 
 

-       mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL;
+       mdoc->meta.title = NULL;
+       mdoc->meta.msec = NULL;
+       mdoc->meta.vol = NULL;
+       mdoc->meta.arch = NULL;

 
        /* First check that all characters are uppercase. */
 
 
        /* First check that all characters are uppercase. */
 


@@ -2251,39 +2162,34 @@ post_dt(POST_ARGS)
                for (p = nn->string; *p; p++) {
                        if (toupper((unsigned char)*p) == *p)
                                continue;
                for (p = nn->string; *p; p++) {
                        if (toupper((unsigned char)*p) == *p)
                                continue;

-                       mandoc_msg(MANDOCERR_TITLE_CASE,
+                       mandoc_vmsg(MANDOCERR_TITLE_CASE,

                            mdoc->parse, nn->line,
                            nn->pos + (p - nn->string),
                            mdoc->parse, nn->line,
                            nn->pos + (p - nn->string),

-                           nn->string);
+                           "Dt %s", nn->string);

                        break;
                }
 
                        break;
                }
 

-       /* Handles: `.Dt'
-        * title = unknown, volume = local, msec = 0, arch = NULL
-        */
+       /* No argument: msec and arch remain NULL. */

 
        if (NULL == (nn = n->child)) {
 
        if (NULL == (nn = n->child)) {

-               /* XXX: make these macro values. */
-               /* FIXME: warn about missing values. */
-               mdoc->meta.title = mandoc_strdup("UNKNOWN");
+               mandoc_msg(MANDOCERR_DT_NOTITLE,
+                   mdoc->parse, n->line, n->pos, "Dt");
+               mdoc->meta.title = mandoc_strdup("UNTITLED");

                mdoc->meta.vol = mandoc_strdup("LOCAL");
                mdoc->meta.vol = mandoc_strdup("LOCAL");

-               mdoc->meta.msec = mandoc_strdup("1");
-               return(1);
+               goto out;

        }
 
        }
 

-       /* Handles: `.Dt TITLE'
-        * title = TITLE, volume = local, msec = 0, arch = NULL
-        */
+       /* One argument: msec and arch remain NULL. */

 
        mdoc->meta.title = mandoc_strdup(
 
        mdoc->meta.title = mandoc_strdup(

-           '\0' == nn->string[0] ? "UNKNOWN" : nn->string);
+           '\0' == nn->string[0] ? "UNTITLED" : nn->string);

 
        if (NULL == (nn = nn->next)) {
 
        if (NULL == (nn = nn->next)) {

-               /* FIXME: warn about missing msec. */
-               /* XXX: make this a macro value. */
+               mandoc_vmsg(MANDOCERR_MSEC_MISSING,
+                   mdoc->parse, n->line, n->pos,
+                   "Dt %s", mdoc->meta.title);

                mdoc->meta.vol = mandoc_strdup("LOCAL");
                mdoc->meta.vol = mandoc_strdup("LOCAL");

-               mdoc->meta.msec = mandoc_strdup("1");
-               return(1);
+               goto out;

        }
 
        /* Handles: `.Dt TITLE SEC'
        }
 
        /* Handles: `.Dt TITLE SEC'


@@ -2298,60 +2204,27 @@ post_dt(POST_ARGS)
                mdoc->meta.vol = mandoc_strdup(cp);
                mdoc->meta.msec = mandoc_strdup(nn->string);
        } else {
                mdoc->meta.vol = mandoc_strdup(cp);
                mdoc->meta.msec = mandoc_strdup(nn->string);
        } else {

-               mandoc_msg(MANDOCERR_MSEC_BAD, mdoc->parse,
-                   nn->line, nn->pos, nn->string);
+               mandoc_vmsg(MANDOCERR_MSEC_BAD, mdoc->parse,
+                   nn->line, nn->pos, "Dt ... %s", nn->string);

                mdoc->meta.vol = mandoc_strdup(nn->string);
                mdoc->meta.msec = mandoc_strdup(nn->string);
        }
 
                mdoc->meta.vol = mandoc_strdup(nn->string);
                mdoc->meta.msec = mandoc_strdup(nn->string);
        }
 

-       if (NULL == (nn = nn->next))
-               return(1);
-
-       /* Handles: `.Dt TITLE SEC VOL'
-        * title = TITLE,
-        * volume = VOL is vol ? format(VOL) :
-        *          VOL is arch ? format(arch) :
-        *          VOL
-        */
+       /* Handle an optional architecture */

 
 

-       cp = mdoc_a2vol(nn->string);
-       if (cp) {
-               free(mdoc->meta.vol);
-               mdoc->meta.vol = mandoc_strdup(cp);
-       } else {
-               cp = mdoc_a2arch(nn->string);
-               if (NULL == cp) {
-                       mandoc_msg(MANDOCERR_ARCH_BAD, mdoc->parse,
-                           nn->line, nn->pos, nn->string);
-                       free(mdoc->meta.vol);
-                       mdoc->meta.vol = mandoc_strdup(nn->string);
-               } else
-                       mdoc->meta.arch = mandoc_strdup(cp);
+       if ((nn = nn->next) != NULL) {
+               for (p = nn->string; *p; p++)
+                       *p = tolower((unsigned char)*p);
+               mdoc->meta.arch = mandoc_strdup(nn->string);

        }
 
        /* Ignore any subsequent parameters... */
        /* FIXME: warn about subsequent parameters. */
        }
 
        /* Ignore any subsequent parameters... */
        /* FIXME: warn about subsequent parameters. */

-
-       return(1);
-}
-
-static int
-post_prol(POST_ARGS)
-{
-       /*
-        * Remove prologue macros from the document after they're
-        * processed.  The final document uses mdoc_meta for these
-        * values and discards the originals.
-        */
-
-       mdoc_node_delete(mdoc, mdoc->last);
-       if (mdoc->meta.title && mdoc->meta.date && mdoc->meta.os)
-               mdoc->flags |= MDOC_PBODY;
-
-       return(1);
+out:
+       mdoc_node_delete(mdoc, n);

 }
 
 }
 

-static int
+static void

 post_bx(POST_ARGS)
 {
        struct mdoc_node        *n;
 post_bx(POST_ARGS)
 {
        struct mdoc_node        *n;


@@ -2365,11 +2238,9 @@ post_bx(POST_ARGS)
        n = mdoc->last->child;
        if (n && NULL != (n = n->next))
                *n->string = (char)toupper((unsigned char)*n->string);
        n = mdoc->last->child;
        if (n && NULL != (n = n->next))
                *n->string = (char)toupper((unsigned char)*n->string);

-
-       return(1);

 }
 
 }
 

-static int
+static void

 post_os(POST_ARGS)
 {
 #ifndef OSNAME
 post_os(POST_ARGS)
 {
 #ifndef OSNAME


@@ -2393,11 +2264,11 @@ post_os(POST_ARGS)
        mdoc->meta.os = NULL;
        mdoc_deroff(&mdoc->meta.os, n);
        if (mdoc->meta.os)
        mdoc->meta.os = NULL;
        mdoc_deroff(&mdoc->meta.os, n);
        if (mdoc->meta.os)

-               return(1);
+               goto out;

 
        if (mdoc->defos) {
                mdoc->meta.os = mandoc_strdup(mdoc->defos);
 
        if (mdoc->defos) {
                mdoc->meta.os = mandoc_strdup(mdoc->defos);

-               return(1);
+               goto out;

        }
 
 #ifdef OSNAME
        }
 
 #ifdef OSNAME


@@ -2405,7 +2276,8 @@ post_os(POST_ARGS)
 #else /*!OSNAME */
        if (NULL == defbuf) {
                if (-1 == uname(&utsname)) {
 #else /*!OSNAME */
        if (NULL == defbuf) {
                if (-1 == uname(&utsname)) {

-                       mdoc_nmsg(mdoc, n, MANDOCERR_UNAME);
+                       mandoc_msg(MANDOCERR_OS_UNAME, mdoc->parse,
+                           n->line, n->pos, "Os");

                        defbuf = mandoc_strdup("UNKNOWN");
                } else
                        mandoc_asprintf(&defbuf, "%s %s",
                        defbuf = mandoc_strdup("UNKNOWN");
                } else
                        mandoc_asprintf(&defbuf, "%s %s",


@@ -2413,36 +2285,34 @@ post_os(POST_ARGS)
        }
        mdoc->meta.os = mandoc_strdup(defbuf);
 #endif /*!OSNAME*/
        }
        mdoc->meta.os = mandoc_strdup(defbuf);
 #endif /*!OSNAME*/

-       return(1);
+
+out:
+       mdoc_node_delete(mdoc, n);

 }
 
 }
 

-static int
-post_std(POST_ARGS)
+/*
+ * If no argument is provided,
+ * fill in the name of the current manual page.
+ */
+static void
+post_ex(POST_ARGS)

 {
 {

-       struct mdoc_node *nn, *n;
+       struct mdoc_node *n;

 
        n = mdoc->last;
 
 
        n = mdoc->last;
 

-       /*
-        * Macros accepting `-std' as an argument have the name of the
-        * current document (`Nm') filled in as the argument if it's not
-        * provided.
-        */
-

        if (n->child)
        if (n->child)

-               return(1);
+               return;

 
 

-       if (NULL == mdoc->meta.name)
-               return(1);
+       if (mdoc->meta.name == NULL) {
+               mandoc_msg(MANDOCERR_EX_NONAME, mdoc->parse,
+                   n->line, n->pos, "Ex");
+               return;
+       }

 
 

-       nn = n;

        mdoc->next = MDOC_NEXT_CHILD;
        mdoc->next = MDOC_NEXT_CHILD;

-
-       if ( ! mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name))
-               return(0);
-
-       mdoc->last = nn;
-       return(1);
+       mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name);
+       mdoc->last = n;

 }
 
 static enum mdoc_sec
 }
 
 static enum mdoc_sec