Correctly make quotes around `Lk' link-name argument. Noted by Aldis

[mandoc.git] / mdoc_validate.c

diff --git a/mdoc_validate.c b/mdoc_validate.c
index 9d103ebb171ced27d036e55104cb07297061b0b4..d90107dbbcb18e69c6026d51749e68dc75cebadf 100644 (file)
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_validate.c,v 1.34 2009/07/17 12:08:08 kristaps Exp $ */
+/*     $Id: mdoc_validate.c,v 1.114 2010/07/26 13:45:49 kristaps Exp $ */

 /*
 /*

- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>

  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -14,21 +14,26 @@
  * 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"
+#endif
+

 #include <sys/types.h>
 
 #include <assert.h>
 #include <ctype.h>
 #include <sys/types.h>
 
 #include <assert.h>
 #include <ctype.h>

-#include <stdarg.h>
+#include <limits.h>
+#include <stdio.h>

 #include <stdlib.h>
 #include <string.h>
 
 #include <stdlib.h>
 #include <string.h>
 

+#include "mandoc.h"

 #include "libmdoc.h"
 #include "libmandoc.h"
 
 /* FIXME: .Bl -diag can't have non-text children in HEAD. */
 #include "libmdoc.h"
 #include "libmandoc.h"
 
 /* FIXME: .Bl -diag can't have non-text children in HEAD. */

-/* TODO: ignoring Pp (it's superfluous in some invocations). */

 
 

-#define        PRE_ARGS  struct mdoc *mdoc, const struct mdoc_node *n
+#define        PRE_ARGS  struct mdoc *mdoc, struct mdoc_node *n

 #define        POST_ARGS struct mdoc *mdoc
 
 typedef        int     (*v_pre)(PRE_ARGS);
 #define        POST_ARGS struct mdoc *mdoc
 
 typedef        int     (*v_pre)(PRE_ARGS);


@@ -39,72 +44,61 @@ struct      valids {
        v_post  *post;
 };
 
        v_post  *post;
 };
 

-static int      check_parent(PRE_ARGS, int, enum mdoc_type);
-static int      check_msec(PRE_ARGS, ...);
-static int      check_sec(PRE_ARGS, ...);
+static int      check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);

 static int      check_stdarg(PRE_ARGS);
 static int      check_stdarg(PRE_ARGS);

-static int      check_text(struct mdoc *, int, int, const char *);
+static int      check_text(struct mdoc *, int, int, char *);

 static int      check_argv(struct mdoc *, 
 static int      check_argv(struct mdoc *, 

-                       const struct mdoc_node *,
-                       const struct mdoc_argv *);
-static int      check_args(struct mdoc *, 
-                       const struct mdoc_node *);
+                       struct mdoc_node *, struct mdoc_argv *);
+static int      check_args(struct mdoc *, struct mdoc_node *);

 static int      err_child_lt(struct mdoc *, const char *, int);
 static int      warn_child_lt(struct mdoc *, const char *, int);
 static int      err_child_gt(struct mdoc *, const char *, int);
 static int      warn_child_gt(struct mdoc *, const char *, int);
 static int      err_child_eq(struct mdoc *, const char *, int);
 static int      warn_child_eq(struct mdoc *, const char *, int);
 static int      err_child_lt(struct mdoc *, const char *, int);
 static int      warn_child_lt(struct mdoc *, const char *, int);
 static int      err_child_gt(struct mdoc *, const char *, int);
 static int      warn_child_gt(struct mdoc *, const char *, int);
 static int      err_child_eq(struct mdoc *, const char *, int);
 static int      warn_child_eq(struct mdoc *, const char *, int);

-static int      warn_print(struct mdoc *, int, int);

 static int      warn_count(struct mdoc *, const char *, 
                        int, const char *, int);
 static int      err_count(struct mdoc *, const char *, 
                        int, const char *, int);
 
 static int      warn_count(struct mdoc *, const char *, 
                        int, const char *, int);
 static int      err_count(struct mdoc *, const char *, 
                        int, const char *, int);
 

-#ifdef __linux__
-extern size_t   strlcat(char *, const char *, size_t);
-#endif
-

 static int      berr_ge1(POST_ARGS);
 static int      bwarn_ge1(POST_ARGS);
 static int      ebool(POST_ARGS);
 static int      eerr_eq0(POST_ARGS);
 static int      eerr_eq1(POST_ARGS);
 static int      eerr_ge1(POST_ARGS);
 static int      berr_ge1(POST_ARGS);
 static int      bwarn_ge1(POST_ARGS);
 static int      ebool(POST_ARGS);
 static int      eerr_eq0(POST_ARGS);
 static int      eerr_eq1(POST_ARGS);
 static int      eerr_ge1(POST_ARGS);

-static int      eerr_le2(POST_ARGS);
-static int      ewarn_eq0(POST_ARGS);
+static int      eerr_le1(POST_ARGS);

 static int      ewarn_ge1(POST_ARGS);
 static int      herr_eq0(POST_ARGS);
 static int      herr_ge1(POST_ARGS);
 static int      hwarn_eq1(POST_ARGS);
 static int      ewarn_ge1(POST_ARGS);
 static int      herr_eq0(POST_ARGS);
 static int      herr_ge1(POST_ARGS);
 static int      hwarn_eq1(POST_ARGS);

+static int      hwarn_eq0(POST_ARGS);

 static int      hwarn_le1(POST_ARGS);
 
 static int      post_an(POST_ARGS);
 static int      hwarn_le1(POST_ARGS);
 
 static int      post_an(POST_ARGS);

-static int      post_args(POST_ARGS);

 static int      post_at(POST_ARGS);
 static int      post_bf(POST_ARGS);
 static int      post_bl(POST_ARGS);
 static int      post_bl_head(POST_ARGS);
 static int      post_at(POST_ARGS);
 static int      post_bf(POST_ARGS);
 static int      post_bl(POST_ARGS);
 static int      post_bl_head(POST_ARGS);

+static int      post_dt(POST_ARGS);

 static int      post_it(POST_ARGS);
 static int      post_lb(POST_ARGS);
 static int      post_nm(POST_ARGS);
 static int      post_root(POST_ARGS);
 static int      post_it(POST_ARGS);
 static int      post_lb(POST_ARGS);
 static int      post_nm(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_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_eoln(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_an(PRE_ARGS);
 static int      pre_bd(PRE_ARGS);
 static int      pre_bl(PRE_ARGS);

-static int      pre_cd(PRE_ARGS);

 static int      pre_dd(PRE_ARGS);
 static int      pre_display(PRE_ARGS);
 static int      pre_dt(PRE_ARGS);
 static int      pre_dd(PRE_ARGS);
 static int      pre_display(PRE_ARGS);
 static int      pre_dt(PRE_ARGS);

-static int      pre_er(PRE_ARGS);
-static int      pre_ex(PRE_ARGS);
-static int      pre_fd(PRE_ARGS);

 static int      pre_it(PRE_ARGS);
 static int      pre_it(PRE_ARGS);

-static int      pre_lb(PRE_ARGS);

 static int      pre_os(PRE_ARGS);
 static int      pre_rv(PRE_ARGS);
 static int      pre_sh(PRE_ARGS);
 static int      pre_os(PRE_ARGS);
 static int      pre_rv(PRE_ARGS);
 static int      pre_sh(PRE_ARGS);


@@ -112,39 +106,38 @@ static    int      pre_ss(PRE_ARGS);
 
 static v_post   posts_an[] = { post_an, NULL };
 static v_post   posts_at[] = { post_at, NULL };
 
 static v_post   posts_an[] = { post_an, NULL };
 static v_post   posts_at[] = { post_at, NULL };

-static v_post   posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
+static v_post   posts_bd_bk[] = { hwarn_eq0, bwarn_ge1, NULL };

 static v_post   posts_bf[] = { hwarn_le1, post_bf, NULL };
 static v_post   posts_bl[] = { bwarn_ge1, post_bl, NULL };
 static v_post   posts_bool[] = { eerr_eq1, ebool, NULL };
 static v_post   posts_bf[] = { hwarn_le1, post_bf, NULL };
 static v_post   posts_bl[] = { bwarn_ge1, post_bl, NULL };
 static v_post   posts_bool[] = { eerr_eq1, ebool, NULL };

-static v_post   posts_ex[] = { eerr_eq0, post_args, NULL };
+static v_post   posts_eoln[] = { post_eoln, NULL };
+static v_post   posts_dt[] = { post_dt, NULL };

 static v_post   posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
 static v_post   posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };

-static v_post   posts_in[] = { eerr_eq1, NULL };

 static v_post   posts_it[] = { post_it, NULL };
 static v_post   posts_lb[] = { eerr_eq1, post_lb, NULL };
 static v_post   posts_nd[] = { berr_ge1, NULL };
 static v_post   posts_nm[] = { post_nm, NULL };
 static v_post   posts_notext[] = { eerr_eq0, NULL };
 static v_post   posts_it[] = { post_it, NULL };
 static v_post   posts_lb[] = { eerr_eq1, post_lb, NULL };
 static v_post   posts_nd[] = { berr_ge1, NULL };
 static v_post   posts_nm[] = { post_nm, NULL };
 static v_post   posts_notext[] = { eerr_eq0, NULL };

-static v_post   posts_pf[] = { eerr_eq1, NULL };
-static v_post   posts_rv[] = { eerr_eq0, post_args, NULL };
+static v_post   posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };

 static v_post   posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
 static v_post   posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };

+static v_post   posts_sp[] = { eerr_le1, NULL };

 static v_post   posts_ss[] = { herr_ge1, NULL };
 static v_post   posts_st[] = { eerr_eq1, post_st, NULL };
 static v_post   posts_text[] = { eerr_ge1, NULL };
 static v_post   posts_ss[] = { herr_ge1, NULL };
 static v_post   posts_st[] = { eerr_eq1, post_st, NULL };
 static v_post   posts_text[] = { eerr_ge1, NULL };

+static v_post   posts_text1[] = { eerr_eq1, NULL };
+static v_post   posts_vt[] = { post_vt, NULL };

 static v_post   posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
 static v_post   posts_wtext[] = { ewarn_ge1, NULL };
 static v_post   posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
 static v_post   posts_wtext[] = { ewarn_ge1, NULL };

-static v_post   posts_xr[] = { eerr_ge1, eerr_le2, NULL };

 static v_pre    pres_an[] = { pre_an, NULL };
 static v_pre    pres_bd[] = { pre_display, pre_bd, NULL };
 static v_pre    pres_bl[] = { pre_bl, NULL };
 static v_pre    pres_an[] = { pre_an, NULL };
 static v_pre    pres_bd[] = { pre_display, pre_bd, NULL };
 static v_pre    pres_bl[] = { pre_bl, NULL };

-static v_pre    pres_cd[] = { pre_cd, NULL };

 static v_pre    pres_d1[] = { pre_display, NULL };
 static v_pre    pres_dd[] = { pre_dd, NULL };
 static v_pre    pres_dt[] = { pre_dt, NULL };
 static v_pre    pres_d1[] = { pre_display, NULL };
 static v_pre    pres_dd[] = { pre_dd, NULL };
 static v_pre    pres_dt[] = { pre_dt, NULL };

-static v_pre    pres_er[] = { pre_er, NULL };
-static v_pre    pres_ex[] = { pre_ex, NULL };
-static v_pre    pres_fd[] = { pre_fd, NULL };
+static v_pre    pres_er[] = { NULL, NULL };
+static v_pre    pres_ex[] = { NULL, NULL };
+static v_pre    pres_fd[] = { NULL, NULL };

 static v_pre    pres_it[] = { pre_it, NULL };
 static v_pre    pres_it[] = { pre_it, NULL };

-static v_pre    pres_lb[] = { pre_lb, NULL };

 static v_pre    pres_os[] = { pre_os, NULL };
 static v_pre    pres_rv[] = { pre_rv, NULL };
 static v_pre    pres_sh[] = { pre_sh, NULL };
 static v_pre    pres_os[] = { pre_os, NULL };
 static v_pre    pres_rv[] = { pre_rv, NULL };
 static v_pre    pres_sh[] = { pre_sh, NULL };


@@ -152,15 +145,15 @@ static    v_pre    pres_ss[] = { pre_ss, NULL };
 
 const  struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Ap */
 
 const  struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Ap */

-       { pres_dd, posts_text },                /* Dd */
-       { pres_dt, NULL },                      /* Dt */
+       { pres_dd, posts_wtext },               /* Dd */
+       { pres_dt, posts_dt },                  /* Dt */

        { pres_os, NULL },                      /* Os */
        { pres_sh, posts_sh },                  /* Sh */ 
        { pres_ss, posts_ss },                  /* Ss */ 
        { NULL, posts_notext },                 /* Pp */ 
        { pres_d1, posts_wline },               /* D1 */
        { pres_d1, posts_wline },               /* Dl */
        { pres_os, NULL },                      /* Os */
        { pres_sh, posts_sh },                  /* Sh */ 
        { pres_ss, posts_ss },                  /* Ss */ 
        { NULL, posts_notext },                 /* Pp */ 
        { pres_d1, posts_wline },               /* D1 */
        { pres_d1, posts_wline },               /* Dl */

-       { pres_bd, posts_bd },                  /* Bd */
+       { pres_bd, posts_bd_bk },               /* Bd */

        { NULL, NULL },                         /* Ed */
        { pres_bl, posts_bl },                  /* Bl */ 
        { NULL, NULL },                         /* El */
        { NULL, NULL },                         /* Ed */
        { pres_bl, posts_bl },                  /* Bl */ 
        { NULL, NULL },                         /* El */


@@ -168,40 +161,40 @@ const     struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, posts_text },                   /* Ad */ 
        { pres_an, posts_an },                  /* An */ 
        { NULL, NULL },                         /* Ar */
        { NULL, posts_text },                   /* Ad */ 
        { pres_an, posts_an },                  /* An */ 
        { NULL, NULL },                         /* Ar */

-       { pres_cd, posts_text },                /* Cd */ 
+       { NULL, posts_text },                   /* Cd */ 

        { NULL, NULL },                         /* Cm */
        { NULL, NULL },                         /* Dv */ 
        { pres_er, posts_text },                /* Er */ 
        { NULL, NULL },                         /* Ev */ 
        { NULL, NULL },                         /* Cm */
        { NULL, NULL },                         /* Dv */ 
        { pres_er, posts_text },                /* Er */ 
        { NULL, NULL },                         /* Ev */ 

-       { pres_ex, posts_ex },                  /* Ex */ 
+       { pres_ex, NULL },                      /* Ex */ 

        { NULL, NULL },                         /* Fa */ 
        { pres_fd, posts_wtext },               /* Fd */
        { NULL, NULL },                         /* Fl */
        { NULL, posts_text },                   /* Fn */ 
        { NULL, posts_wtext },                  /* Ft */ 
        { NULL, posts_text },                   /* Ic */ 
        { NULL, NULL },                         /* Fa */ 
        { pres_fd, posts_wtext },               /* Fd */
        { NULL, NULL },                         /* Fl */
        { NULL, posts_text },                   /* Fn */ 
        { NULL, posts_wtext },                  /* Ft */ 
        { NULL, posts_text },                   /* Ic */ 

-       { NULL, posts_in },                     /* In */ 
+       { NULL, posts_text1 },                  /* In */ 

        { NULL, NULL },                         /* Li */
        { NULL, posts_nd },                     /* Nd */
        { NULL, posts_nm },                     /* Nm */
        { NULL, posts_wline },                  /* Op */
        { NULL, NULL },                         /* Ot */
        { NULL, NULL },                         /* Pa */
        { NULL, NULL },                         /* Li */
        { NULL, posts_nd },                     /* Nd */
        { NULL, posts_nm },                     /* Nm */
        { NULL, posts_wline },                  /* Op */
        { NULL, NULL },                         /* Ot */
        { NULL, NULL },                         /* Pa */

-       { pres_rv, posts_rv },                  /* Rv */
+       { pres_rv, NULL },                      /* Rv */

        { NULL, posts_st },                     /* St */ 
        { NULL, NULL },                         /* Va */
        { NULL, posts_st },                     /* St */ 
        { NULL, NULL },                         /* Va */

-       { NULL, posts_text },                   /* Vt */ 
-       { NULL, posts_xr },                     /* Xr */ 
+       { NULL, posts_vt },                     /* Vt */ 
+       { NULL, posts_wtext },                  /* Xr */ 

        { NULL, posts_text },                   /* %A */
        { NULL, posts_text },                   /* %A */

-       { NULL, posts_text },                   /* %B */
-       { NULL, posts_text },                   /* %D */
+       { NULL, posts_text },                   /* %B */ /* FIXME: can be used outside Rs/Re. */
+       { NULL, posts_text },                   /* %D */ /* FIXME: check date with mandoc_a2time(). */

        { NULL, posts_text },                   /* %I */
        { NULL, posts_text },                   /* %J */
        { NULL, posts_text },                   /* %N */
        { NULL, posts_text },                   /* %O */
        { NULL, posts_text },                   /* %P */
        { NULL, posts_text },                   /* %R */
        { NULL, posts_text },                   /* %I */
        { NULL, posts_text },                   /* %J */
        { NULL, posts_text },                   /* %N */
        { NULL, posts_text },                   /* %O */
        { NULL, posts_text },                   /* %P */
        { NULL, posts_text },                   /* %R */

-       { NULL, posts_text },                   /* %T */
+       { NULL, posts_text },                   /* %T */ /* FIXME: can be used outside Rs/Re. */

        { NULL, posts_text },                   /* %V */
        { NULL, NULL },                         /* Ac */
        { NULL, NULL },                         /* Ao */
        { NULL, posts_text },                   /* %V */
        { NULL, NULL },                         /* Ac */
        { NULL, NULL },                         /* Ao */


@@ -228,7 +221,7 @@ const       struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Nx */
        { NULL, NULL },                         /* Ox */
        { NULL, NULL },                         /* Pc */
        { NULL, NULL },                         /* Nx */
        { NULL, NULL },                         /* Ox */
        { NULL, NULL },                         /* Pc */

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

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


@@ -236,7 +229,7 @@ const       struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Qo */
        { NULL, posts_wline },                  /* Qq */
        { NULL, NULL },                         /* Re */
        { NULL, NULL },                         /* Qo */
        { NULL, posts_wline },                  /* Qq */
        { NULL, NULL },                         /* Re */

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

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


@@ -251,15 +244,15 @@ const     struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Fc */ 
        { NULL, NULL },                         /* Oo */
        { NULL, NULL },                         /* Oc */
        { NULL, NULL },                         /* Fc */ 
        { NULL, NULL },                         /* Oo */
        { NULL, NULL },                         /* Oc */

-       { NULL, posts_wline },                  /* Bk */
+       { NULL, posts_bd_bk },                  /* Bk */

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

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

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

-       { NULL, posts_notext },                 /* Ud */
-       { pres_lb, posts_lb },                  /* Lb */
+       { NULL, posts_eoln },                   /* Ud */
+       { NULL, posts_lb },                     /* Lb */

        { NULL, posts_notext },                 /* Lp */ 
        { NULL, posts_notext },                 /* Lp */ 

-       { NULL, NULL },                         /* Lk */ 
+       { NULL, posts_text },                   /* Lk */ 

        { NULL, posts_text },                   /* Mt */ 
        { NULL, posts_wline },                  /* Brq */ 
        { NULL, NULL },                         /* Bro */ 
        { NULL, posts_text },                   /* Mt */ 
        { NULL, posts_wline },                  /* Brq */ 
        { NULL, NULL },                         /* Bro */ 


@@ -270,16 +263,18 @@ const     struct valids mdoc_valids[MDOC_MAX] = {
        { NULL, NULL },                         /* Dx */
        { NULL, posts_text },                   /* %Q */
        { NULL, posts_notext },                 /* br */
        { NULL, NULL },                         /* Dx */
        { NULL, posts_text },                   /* %Q */
        { NULL, posts_notext },                 /* br */

-       { NULL, NULL },                         /* sp */
+       { NULL, posts_sp },                     /* sp */
+       { NULL, posts_text1 },                  /* %U */
+       { NULL, NULL },                         /* Ta */

 };
 
 
 int
 };
 
 
 int

-mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
+mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)

 {
        v_pre           *p;
        int              line, pos;
 {
        v_pre           *p;
        int              line, pos;

-       const char      *tp;
+       char            *tp;

 
        if (MDOC_TEXT == n->type) {
                tp = n->string;
 
        if (MDOC_TEXT == n->type) {
                tp = n->string;


@@ -323,23 +318,14 @@ mdoc_valid_post(struct mdoc *mdoc)
 }
 
 
 }
 
 

-static int
-warn_print(struct mdoc *m, int ln, int pos)
-{
-
-       if (MDOC_IGN_CHARS & m->pflags)
-               return(mdoc_pwarn(m, ln, pos, EPRINT));
-       return(mdoc_perr(m, ln, pos, EPRINT));
-}
-
-

 static inline int
 warn_count(struct mdoc *m, const char *k, 
                int want, const char *v, int has)
 {
 
 static inline int
 warn_count(struct mdoc *m, const char *k, 
                int want, const char *v, int has)
 {
 

-       return(mdoc_vwarn(m, m->last->line, m->last->pos, 
-               "suggests %s %s %d (has %d)", v, k, want, has));
+       return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT, 
+                               m->last->line, m->last->pos, 
+                               "%s %s %d (have %d)", v, k, want, has));

 }
 
 
 }
 
 


@@ -348,8 +334,11 @@ err_count(struct mdoc *m, const char *k,
                int want, const char *v, int has)
 {
 
                int want, const char *v, int has)
 {
 

-       return(mdoc_verr(m, m->last->line, m->last->pos,
-               "requires %s %s %d (has %d)", v, k, want, has));
+       mdoc_vmsg(m, MANDOCERR_SYNTARGCOUNT, 
+                       m->last->line, m->last->pos, 
+                       "%s %s %d (have %d)", 
+                       v, k, want, has);
+       return(0);

 }
 
 
 }
 
 


@@ -403,16 +392,16 @@ CHECK_CHILD_DEFN(err, lt, <)                      /* err_child_lt() */
 CHECK_CHILD_DEFN(warn, lt, <)                  /* warn_child_lt() */
 CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0)   /* bwarn_ge1() */
 CHECK_BODY_DEFN(ge1, err, err_child_gt, 0)     /* berr_ge1() */
 CHECK_CHILD_DEFN(warn, lt, <)                  /* warn_child_lt() */
 CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0)   /* bwarn_ge1() */
 CHECK_BODY_DEFN(ge1, err, err_child_gt, 0)     /* berr_ge1() */

-CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0)   /* ewarn_eq0() */
-CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0)   /* ewarn_gt1() */
+CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0)   /* ewarn_ge1() */

 CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1)     /* eerr_eq1() */
 CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1)     /* eerr_eq1() */

-CHECK_ELEM_DEFN(le2, err, err_child_lt, 3)     /* eerr_le2() */
+CHECK_ELEM_DEFN(le1, err, err_child_lt, 2)     /* eerr_le1() */

 CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0)     /* eerr_eq0() */
 CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0)     /* eerr_ge1() */
 CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0)     /* herr_eq0() */
 CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2)   /* hwarn_le1() */
 CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0)     /* herr_ge1() */
 CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1)   /* hwarn_eq1() */
 CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0)     /* eerr_eq0() */
 CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0)     /* eerr_ge1() */
 CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0)     /* herr_eq0() */
 CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2)   /* hwarn_le1() */
 CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0)     /* herr_ge1() */
 CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1)   /* hwarn_eq1() */

+CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0)   /* hwarn_eq0() */

 
 
 static int
 
 
 static int


@@ -422,58 +411,12 @@ check_stdarg(PRE_ARGS)
        if (n->args && 1 == n->args->argc)
                if (MDOC_Std == n->args->argv[0].arg)
                        return(1);
        if (n->args && 1 == n->args->argc)
                if (MDOC_Std == n->args->argv[0].arg)
                        return(1);

-       return(mdoc_nwarn(mdoc, n, EARGVAL));
-}
-
-
-static int
-check_sec(PRE_ARGS, ...)
-{
-       enum mdoc_sec    sec;
-       va_list          ap;
-
-       va_start(ap, n);
-
-       for (;;) {
-               /* LINTED */
-               sec = (enum mdoc_sec)va_arg(ap, int);
-               if (SEC_CUSTOM == sec)
-                       break;
-               if (sec != mdoc->lastsec)
-                       continue;
-               va_end(ap);
-               return(1);
-       }
-
-       va_end(ap);
-       return(mdoc_nwarn(mdoc, n, EBADSEC));
+       return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));

 }
 
 
 static int
 }
 
 
 static int

-check_msec(PRE_ARGS, ...)
-{
-       va_list          ap;
-       int              msec;
-
-       va_start(ap, n);
-       for (;;) {
-               /* LINTED */
-               if (0 == (msec = va_arg(ap, int)))
-                       break;
-               if (msec != mdoc->meta.msec)
-                       continue;
-               va_end(ap);
-               return(1);
-       }
-
-       va_end(ap);
-       return(mdoc_nwarn(mdoc, n, EBADMSEC));
-}
-
-
-static int
-check_args(struct mdoc *m, const struct mdoc_node *n)
+check_args(struct mdoc *m, struct mdoc_node *n)

 {
        int              i;
 
 {
        int              i;
 


@@ -490,8 +433,7 @@ check_args(struct mdoc *m, const struct mdoc_node *n)
 
 
 static int
 
 
 static int

-check_argv(struct mdoc *m, const struct mdoc_node *n, 
-               const struct mdoc_argv *v)
+check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)

 {
        int              i;
 
 {
        int              i;
 


@@ -500,10 +442,10 @@ check_argv(struct mdoc *m, const struct mdoc_node *n,
                        return(0);
 
        if (MDOC_Std == v->arg) {
                        return(0);
 
        if (MDOC_Std == v->arg) {

-               /* `Nm' name must be set. */

                if (v->sz || m->meta.name)
                        return(1);
                if (v->sz || m->meta.name)
                        return(1);

-               return(mdoc_nerr(m, n, ENAME));
+               if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
+                       return(0);

        }
 
        return(1);
        }
 
        return(1);


@@ -511,21 +453,29 @@ check_argv(struct mdoc *m, const struct mdoc_node *n,
 
 
 static int
 
 
 static int

-check_text(struct mdoc *mdoc, int line, int pos, const char *p)
+check_text(struct mdoc *m, int ln, int pos, char *p)

 {
        int              c;
 {
        int              c;

+       size_t           sz;

 
        for ( ; *p; p++, pos++) {
 
        for ( ; *p; p++, pos++) {

+               sz = strcspn(p, "\t\\");
+               p += (int)sz;
+
+               if ('\0' == *p)
+                       break;
+
+               pos += (int)sz;
+

                if ('\t' == *p) {
                if ('\t' == *p) {

-                       if ( ! (MDOC_LITERAL & mdoc->flags))
-                               if ( ! warn_print(mdoc, line, pos))
-                                       return(0);
-               } else if ( ! isprint((u_char)*p))
-                       if ( ! warn_print(mdoc, line, pos))
-                               return(0);
+                       if (MDOC_LITERAL & m->flags)
+                               continue;
+                       if (mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB))
+                               continue;
+                       return(0);
+               }

 
 

-               if ('\\' != *p)
-                       continue;
+               /* Check the special character. */

 
                c = mandoc_special(p);
                if (c) {
 
                c = mandoc_special(p);
                if (c) {


@@ -533,20 +483,18 @@ check_text(struct mdoc *mdoc, int line, int pos, const char *p)
                        pos += c - 1;
                        continue;
                }
                        pos += c - 1;
                        continue;
                }

-               if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
-                       return(mdoc_perr(mdoc, line, pos, EESCAPE));
-               if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
-                       return(0);
+
+               c = mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
+               if ( ! (MDOC_IGN_ESCAPE & m->pflags) && ! c)
+                       return(c);

        }
 
        return(1);
 }
 
 
        }
 
        return(1);
 }
 
 

-
-

 static int
 static int

-check_parent(PRE_ARGS, int tok, enum mdoc_type t)
+check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)

 {
 
        assert(n->parent);
 {
 
        assert(n->parent);


@@ -554,12 +502,14 @@ check_parent(PRE_ARGS, int tok, enum mdoc_type t)
                        (t == n->parent->type))
                return(1);
 
                        (t == n->parent->type))
                return(1);
 

-       return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
-               MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
+       mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
+                               n->line, n->pos, "want parent %s",
+                               MDOC_ROOT == t ? "<root>" : 
+                                       mdoc_macronames[tok]);
+       return(0);

 }
 
 
 }
 
 

-

 static int
 pre_display(PRE_ARGS)
 {
 static int
 pre_display(PRE_ARGS)
 {


@@ -578,68 +528,156 @@ pre_display(PRE_ARGS)
        if (NULL == node)
                return(1);
 
        if (NULL == node)
                return(1);
 

-       return(mdoc_nerr(mdoc, n, ENESTDISP));
+       mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
+       return(0);

 }
 
 
 static int
 pre_bl(PRE_ARGS)
 {
 }
 
 
 static int
 pre_bl(PRE_ARGS)
 {

-       int              pos, type, width, offset;
-
-       if (MDOC_BLOCK != n->type)
+       int               i, comp, dup;
+       const char       *offs, *width;
+       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);
+               assert(np->data.Bl);
+               n->data.Bl = np->data.Bl;

                return(1);
                return(1);

-       if (NULL == n->args)
-               return(mdoc_nerr(mdoc, n, ELISTTYPE));
+       }

 
 

-       /* Make sure that only one type of list is specified.  */
+       /* 
+        * First figure out which kind of list to use: bind ourselves to
+        * the first mentioned list type and warn about any remaining
+        * ones.  If we find no list type, we default to LIST_item.
+        */

 
 

-       type = offset = width = -1;
+       assert(NULL == n->data.Bl);
+       n->data.Bl = mandoc_calloc(1, sizeof(struct mdoc_bl));

 
        /* LINTED */
 
        /* LINTED */

-       for (pos = 0; pos < (int)n->args->argc; pos++)
-               switch (n->args->argv[pos].arg) {
+       for (i = 0; n->args && i < (int)n->args->argc; i++) {
+               lt = LIST__NONE;
+               dup = comp = 0;
+               width = offs = NULL;
+               switch (n->args->argv[i].arg) {
+               /* Set list types. */

                case (MDOC_Bullet):
                case (MDOC_Bullet):

-                       /* FALLTHROUGH */
+                       lt = LIST_bullet;
+                       break;

                case (MDOC_Dash):
                case (MDOC_Dash):

-                       /* FALLTHROUGH */
+                       lt = LIST_dash;
+                       break;

                case (MDOC_Enum):
                case (MDOC_Enum):

-                       /* FALLTHROUGH */
+                       lt = LIST_enum;
+                       break;

                case (MDOC_Hyphen):
                case (MDOC_Hyphen):

-                       /* FALLTHROUGH */
+                       lt = LIST_hyphen;
+                       break;

                case (MDOC_Item):
                case (MDOC_Item):

-                       /* FALLTHROUGH */
+                       lt = LIST_item;
+                       break;

                case (MDOC_Tag):
                case (MDOC_Tag):

-                       /* FALLTHROUGH */
+                       lt = LIST_tag;
+                       break;

                case (MDOC_Diag):
                case (MDOC_Diag):

-                       /* FALLTHROUGH */
+                       lt = LIST_diag;
+                       break;

                case (MDOC_Hang):
                case (MDOC_Hang):

-                       /* FALLTHROUGH */
+                       lt = LIST_hang;
+                       break;

                case (MDOC_Ohang):
                case (MDOC_Ohang):

-                       /* FALLTHROUGH */
+                       lt = LIST_ohang;
+                       break;

                case (MDOC_Inset):
                case (MDOC_Inset):

-                       /* FALLTHROUGH */
+                       lt = LIST_inset;
+                       break;

                case (MDOC_Column):
                case (MDOC_Column):

-                       if (-1 != type) 
-                               return(mdoc_nerr(mdoc, n, EMULTILIST));
-                       type = n->args->argv[pos].arg;
+                       lt = LIST_column;
+                       break;
+               /* Set list arguments. */
+               case (MDOC_Compact):
+                       dup = n->data.Bl->comp;
+                       comp = 1;

                        break;
                case (MDOC_Width):
                        break;
                case (MDOC_Width):

-                       if (-1 != width)
-                               return(mdoc_nerr(mdoc, n, EARGREP));
-                       width = n->args->argv[pos].arg;
+                       dup = (NULL != n->data.Bl->width);
+                       width = n->args->argv[i].value[0];

                        break;
                case (MDOC_Offset):
                        break;
                case (MDOC_Offset):

-                       if (-1 != offset)
-                               return(mdoc_nerr(mdoc, n, EARGREP));
-                       offset = n->args->argv[pos].arg;
+                       /* NB: this can be empty! */
+                       if (n->args->argv[i].sz) {
+                               offs = n->args->argv[i].value[0];
+                               dup = (NULL != n->data.Bl->offs);
+                               break;
+                       }
+                       if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
+                               return(0);

                        break;
                default:
                        break;
                default:

-                       break;
+                       continue;

                }
 
                }
 

-       if (-1 == type)
-               return(mdoc_nerr(mdoc, n, ELISTTYPE));
+               /* Check: duplicate auxiliary arguments. */
+
+               if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
+                       return(0);
+
+               if (comp && ! dup)
+                       n->data.Bl->comp = comp;
+               if (offs && ! dup)
+                       n->data.Bl->offs = offs;
+               if (width && ! dup)
+                       n->data.Bl->width = width;
+
+               /* Check: multiple list types. */
+
+               if (LIST__NONE != lt && n->data.Bl->type != LIST__NONE)
+                       if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
+                               return(0);
+
+               /* Assign list type. */
+
+               if (LIST__NONE != lt && n->data.Bl->type == LIST__NONE) {
+                       n->data.Bl->type = lt;
+                       /* Set column information, too. */
+                       if (LIST_column == lt) {
+                               n->data.Bl->ncols = 
+                                       n->args->argv[i].sz;
+                               n->data.Bl->cols = (const char **)
+                                       n->args->argv[i].value;
+                       }
+               }
+
+               /* The list type should come first. */
+
+               if (n->data.Bl->type == LIST__NONE)
+                       if (n->data.Bl->width || 
+                                       n->data.Bl->offs || 
+                                       n->data.Bl->comp)
+                               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
+                                       return(0);
+
+               continue;
+       }
+
+       /* Allow lists to default to LIST_item. */
+
+       if (LIST__NONE == n->data.Bl->type) {
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
+                       return(0);
+               n->data.Bl->type = LIST_item;
+       }

 
        /* 
         * Validate the width field.  Some list types don't need width
 
        /* 
         * Validate the width field.  Some list types don't need width


@@ -647,21 +685,27 @@ pre_bl(PRE_ARGS)
         * and must also be warned.
         */
 
         * and must also be warned.
         */
 

-       switch (type) {
-       case (MDOC_Tag):
-               if (-1 == width && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
-                       return(0);
-               break;
-       case (MDOC_Column):
+       switch (n->data.Bl->type) {
+       case (LIST_tag):
+               if (n->data.Bl->width)
+                       break;
+               if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
+                       break;
+               return(0);
+       case (LIST_column):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Diag):
+       case (LIST_diag):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Inset):
+       case (LIST_ohang):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Item):
-               if (-1 != width && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
-                       return(0);
-               break;
+       case (LIST_inset):
+               /* FALLTHROUGH */
+       case (LIST_item):
+               if (NULL == n->data.Bl->width)
+                       break;
+               if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
+                       break;
+               return(0);

        default:
                break;
        }
        default:
                break;
        }


@@ -673,38 +717,104 @@ pre_bl(PRE_ARGS)
 static int
 pre_bd(PRE_ARGS)
 {
 static int
 pre_bd(PRE_ARGS)
 {

-       int              i, type, err;
-
-       if (MDOC_BLOCK != n->type)
+       int               i, dup, comp;
+       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;
+
+               assert(np);
+               assert(MDOC_BLOCK == np->type);
+               assert(MDOC_Bd == np->tok);
+               assert(np->data.Bd);
+               n->data.Bd = np->data.Bd;

                return(1);
                return(1);

-       if (NULL == n->args) 
-               return(mdoc_nerr(mdoc, n, EDISPTYPE));
+       }

 
 

-       /* Make sure that only one type of display is specified.  */
+       assert(NULL == n->data.Bd);
+       n->data.Bd = mandoc_calloc(1, sizeof(struct mdoc_bd));

 
        /* LINTED */
 
        /* LINTED */

-       for (i = 0, err = type = 0; ! err && 
-                       i < (int)n->args->argc; i++)
+       for (i = 0; n->args && i < (int)n->args->argc; i++) {
+               dt = DISP__NONE;
+               dup = comp = 0;
+               offs = NULL;
+

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

+               case (MDOC_Centred):
+                       dt = DISP_centred;
+                       break;

                case (MDOC_Ragged):
                case (MDOC_Ragged):

-                       /* FALLTHROUGH */
+                       dt = DISP_ragged;
+                       break;

                case (MDOC_Unfilled):
                case (MDOC_Unfilled):

-                       /* FALLTHROUGH */
+                       dt = DISP_unfilled;
+                       break;

                case (MDOC_Filled):
                case (MDOC_Filled):

-                       /* FALLTHROUGH */
+                       dt = DISP_filled;
+                       break;

                case (MDOC_Literal):
                case (MDOC_Literal):

-                       /* FALLTHROUGH */
+                       dt = DISP_literal;
+                       break;

                case (MDOC_File):
                case (MDOC_File):

-                       if (0 == type++) 
+                       mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
+                       return(0);
+               case (MDOC_Offset):
+                       /* NB: this can be empty! */
+                       if (n->args->argv[i].sz) {
+                               offs = n->args->argv[i].value[0];
+                               dup = (NULL != n->data.Bd->offs);

                                break;
                                break;

-                       return(mdoc_nerr(mdoc, n, EMULTIDISP));
-               default:
+                       }
+                       if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
+                               return(0);
+                       break;
+               case (MDOC_Compact):
+                       comp = 1;
+                       dup = n->data.Bd->comp;

                        break;
                        break;

+               default:
+                       abort();
+                       /* NOTREACHED */

                }
 
                }
 

-       if (type)
-               return(1);
-       return(mdoc_nerr(mdoc, n, EDISPTYPE));
+               /* Check whether we have duplicates. */
+
+               if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
+                       return(0);
+
+               /* Make our auxiliary assignments. */
+
+               if (offs && ! dup)
+                       n->data.Bd->offs = offs;
+               if (comp && ! dup)
+                       n->data.Bd->comp = comp;
+
+               /* Check whether a type has already been assigned. */
+
+               if (DISP__NONE != dt && n->data.Bd->type != DISP__NONE)
+                       if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
+                               return(0);
+
+               /* Make our type assignment. */
+
+               if (DISP__NONE != dt && n->data.Bd->type == DISP__NONE)
+                       n->data.Bd->type = dt;
+       }
+
+       if (DISP__NONE == n->data.Bd->type) {
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
+                       return(0);
+               n->data.Bd->type = DISP_ragged;
+       }
+
+       return(1);

 }
 
 
 }
 
 


@@ -724,7 +834,9 @@ pre_sh(PRE_ARGS)
 
        if (MDOC_BLOCK != n->type)
                return(1);
 
        if (MDOC_BLOCK != n->type)
                return(1);

-       return(check_parent(mdoc, n, -1, MDOC_ROOT));
+
+       mdoc->regs->regs[(int)REG_nS].set = 0;
+       return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));

 }
 
 
 }
 
 


@@ -734,6 +846,10 @@ pre_it(PRE_ARGS)
 
        if (MDOC_BLOCK != n->type)
                return(1);
 
        if (MDOC_BLOCK != n->type)
                return(1);

+       /* 
+        * FIXME: this can probably be lifted if we make the It into
+        * something else on-the-fly?
+        */

        return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
 }
 
        return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
 }
 


@@ -742,18 +858,20 @@ static int
 pre_an(PRE_ARGS)
 {
 
 pre_an(PRE_ARGS)
 {
 

-       if (NULL == n->args || 1 == n->args->argc)
+       if (NULL == n->args)

                return(1);
                return(1);

-       return(mdoc_verr(mdoc, n->line, n->pos, 
-                               "only one argument allowed"));
-}
+       if (n->args->argc > 1)
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGCOUNT))
+                       return(0);

 
 

+       if (MDOC_Split == n->args->argv[0].arg)
+               n->data.An.auth = AUTH_split;
+       else if (MDOC_Nosplit == n->args->argv[0].arg)
+               n->data.An.auth = AUTH_nosplit;
+       else
+               abort();

 
 

-static int
-pre_lb(PRE_ARGS)
-{
-
-       return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
+       return(1);

 }
 
 
 }
 
 


@@ -761,35 +879,26 @@ static int
 pre_rv(PRE_ARGS)
 {
 
 pre_rv(PRE_ARGS)
 {
 

-       if ( ! check_msec(mdoc, n, 2, 3, 0))
-               return(0);

        return(check_stdarg(mdoc, n));
 }
 
 
 static int
        return(check_stdarg(mdoc, n));
 }
 
 
 static int

-pre_ex(PRE_ARGS)
+post_dt(POST_ARGS)

 {
 {

+       const struct mdoc_node *nn;
+       const char      *p;

 
 

-       if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
-               return(0);
-       return(check_stdarg(mdoc, n));
-}
-
-
-static int
-pre_er(PRE_ARGS)
-{
-
-       return(check_msec(mdoc, n, 2, 3, 9, 0));
-}
-
-
-static int
-pre_cd(PRE_ARGS)
-{
+       if (NULL != (nn = mdoc->last->child))
+               for (p = nn->string; *p; p++) {
+                       if (toupper((u_char)*p) == *p)
+                               continue;
+                       if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
+                               return(0);
+                       break;
+               }

 
 

-       return(check_msec(mdoc, n, 4, 0));
+       return(1);

 }
 
 
 }
 
 


@@ -798,10 +907,10 @@ pre_dt(PRE_ARGS)
 {
 
        if (0 == mdoc->meta.date || mdoc->meta.os)
 {
 
        if (0 == mdoc->meta.date || mdoc->meta.os)

-               if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))

                        return(0);
        if (mdoc->meta.title)
                        return(0);
        if (mdoc->meta.title)

-               if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))

                        return(0);
        return(1);
 }
                        return(0);
        return(1);
 }


@@ -812,10 +921,10 @@ pre_os(PRE_ARGS)
 {
 
        if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
 {
 
        if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)

-               if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))

                        return(0);
        if (mdoc->meta.os)
                        return(0);
        if (mdoc->meta.os)

-               if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))

                        return(0);
        return(1);
 }
                        return(0);
        return(1);
 }


@@ -826,10 +935,10 @@ pre_dd(PRE_ARGS)
 {
 
        if (mdoc->meta.title || mdoc->meta.os)
 {
 
        if (mdoc->meta.title || mdoc->meta.os)

-               if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))

                        return(0);
        if (mdoc->meta.date)
                        return(0);
        if (mdoc->meta.date)

-               if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
+               if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))

                        return(0);
        return(1);
 }
                        return(0);
        return(1);
 }


@@ -838,32 +947,74 @@ pre_dd(PRE_ARGS)
 static int
 post_bf(POST_ARGS)
 {
 static int
 post_bf(POST_ARGS)
 {

-       char             *p;
-       struct mdoc_node *head;
-
-       if (MDOC_BLOCK != mdoc->last->type)
-               return(1);
+       struct mdoc_node *np;
+       enum mdocargt     arg;

 
 

-       head = mdoc->last->head;
+       /*
+        * Unlike other data pointers, these are "housed" by the HEAD
+        * element, which contains the goods.
+        */

 
 

-       if (mdoc->last->args && head->child)
-               return(mdoc_nerr(mdoc, mdoc->last, ELINE));
-       else if (mdoc->last->args)
+       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);
+               assert(np->data.Bf);
+               mdoc->last->data.Bf = np->data.Bf;

                return(1);
                return(1);

+       }

 
 

-       if (NULL == head->child || MDOC_TEXT != head->child->type)
-               return(mdoc_nerr(mdoc, mdoc->last, ELINE));
+       np = mdoc->last;
+       assert(MDOC_BLOCK == np->parent->type);
+       assert(MDOC_Bf == np->parent->tok);
+       np->data.Bf = mandoc_calloc(1, sizeof(struct mdoc_bf));

 
 

-       p = head->child->string;
+       /* 
+        * Cannot have both argument and parameter.
+        * If neither is specified, let it through with a warning. 
+        */

 
 

-       if (0 == strcmp(p, "Em"))
-               return(1);
-       else if (0 == strcmp(p, "Li"))
-               return(1);
-       else if (0 == strcmp(p, "Sm"))
+       if (np->parent->args && np->child) {
+               mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT);
+               return(0);
+       } else if (NULL == np->parent->args && NULL == np->child)
+               return(mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE));
+
+       /* Extract argument into data. */
+       
+       if (np->parent->args) {
+               arg = np->parent->args->argv[0].arg;
+               if (MDOC_Emphasis == arg)
+                       np->data.Bf->font = FONT_Em;
+               else if (MDOC_Literal == arg)
+                       np->data.Bf->font = FONT_Li;
+               else if (MDOC_Symbolic == arg)
+                       np->data.Bf->font = FONT_Sy;
+               else
+                       abort();

                return(1);
                return(1);

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

 
 

-       return(mdoc_nerr(mdoc, head, EFONT));
+       if (0 == strcmp(np->child->string, "Em"))
+               np->data.Bf->font = FONT_Em;
+       else if (0 == strcmp(np->child->string, "Li"))
+               np->data.Bf->font = FONT_Li;
+       else if (0 == strcmp(np->child->string, "Sy"))
+               np->data.Bf->font = FONT_Sy;
+       else if ( ! mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE))
+               return(0);
+
+       return(1);

 }
 
 
 }
 
 


@@ -873,164 +1024,164 @@ post_lb(POST_ARGS)
 
        if (mdoc_a2lib(mdoc->last->child->string))
                return(1);
 
        if (mdoc_a2lib(mdoc->last->child->string))
                return(1);

-       return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
+       return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));

 }
 
 
 static int
 }
 
 
 static int

-post_nm(POST_ARGS)
+post_eoln(POST_ARGS)

 {
 
 {
 

-       if (mdoc->last->child)
+       if (NULL == mdoc->last->child)

                return(1);
                return(1);

-       if (mdoc->meta.name)
+       return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
+}
+
+
+static int
+post_vt(POST_ARGS)
+{
+       const struct mdoc_node *n;
+
+       /*
+        * The Vt macro comes in both ELEM and BLOCK form, both of which
+        * have different syntaxes (yet more context-sensitive
+        * behaviour).  ELEM types must have a child; BLOCK types,
+        * specifically the BODY, should only have TEXT children.
+        */
+
+       if (MDOC_ELEM == mdoc->last->type)
+               return(eerr_ge1(mdoc));
+       if (MDOC_BODY != mdoc->last->type)

                return(1);
                return(1);

-       return(mdoc_nerr(mdoc, mdoc->last, ENAME));
+       
+       for (n = mdoc->last->child; n; n = n->next)
+               if (MDOC_TEXT != n->type) 
+                       if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
+                               return(0);
+
+       return(1);

 }
 
 
 static int
 }
 
 
 static int

-post_at(POST_ARGS)
+post_nm(POST_ARGS)

 {
 
 {
 

-       if (NULL == mdoc->last->child)
+       if (mdoc->last->child)

                return(1);
                return(1);

-       if (MDOC_TEXT != mdoc->last->child->type)
-               return(mdoc_nerr(mdoc, mdoc->last, EATT));
-       if (mdoc_a2att(mdoc->last->child->string))
+       if (mdoc->meta.name)

                return(1);
                return(1);

-       return(mdoc_nerr(mdoc, mdoc->last, EATT));
+       return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));

 }
 
 
 static int
 }
 
 
 static int

-post_an(POST_ARGS)
+post_at(POST_ARGS)

 {
 
 {
 

-       if (mdoc->last->args) {
-               if (NULL == mdoc->last->child)
-                       return(1);
-               return(mdoc_nerr(mdoc, mdoc->last, ELINE));
-       }
-
-       if (mdoc->last->child)
+       if (NULL == mdoc->last->child)

                return(1);
                return(1);

-       return(mdoc_nerr(mdoc, mdoc->last, ELINE));
+       assert(MDOC_TEXT == mdoc->last->child->type);
+       if (mdoc_a2att(mdoc->last->child->string))
+               return(1);
+       return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));

 }
 
 
 static int
 }
 
 
 static int

-post_args(POST_ARGS)
+post_an(POST_ARGS)

 {
 {

+       struct mdoc_node *np;

 
 

-       if (mdoc->last->args)
+       np = mdoc->last;
+       if (AUTH__NONE != np->data.An.auth && np->child)
+               return(mdoc_nmsg(mdoc, np, MANDOCERR_ARGCOUNT));
+       if (AUTH__NONE != np->data.An.auth || np->child)

                return(1);
                return(1);

-       return(mdoc_nerr(mdoc, mdoc->last, ELINE));
+       return(mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS));

 }
 
 
 static int
 post_it(POST_ARGS)
 {
 }
 
 
 static int
 post_it(POST_ARGS)
 {

-       int               type, i, cols;
+       int               i, cols, rc;
+       enum mdoc_list    lt;

        struct mdoc_node *n, *c;
        struct mdoc_node *n, *c;

+       enum mandocerr    er;

 
        if (MDOC_BLOCK != mdoc->last->type)
                return(1);
 
        n = mdoc->last->parent->parent;
 
        if (MDOC_BLOCK != mdoc->last->type)
                return(1);
 
        n = mdoc->last->parent->parent;

-       if (NULL == n->args)
-               return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
+       assert(n->data.Bl);
+       lt = n->data.Bl->type;

 
 

-       /* Some types require block-head, some not. */
+       if (LIST__NONE == lt) {
+               mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
+               return(0);
+       }

 
 

-       /* LINTED */
-       for (cols = type = -1, i = 0; -1 == type && 
-                       i < (int)n->args->argc; i++)
-               switch (n->args->argv[i].arg) {
-               case (MDOC_Tag):
-                       /* FALLTHROUGH */
-               case (MDOC_Diag):
-                       /* FALLTHROUGH */
-               case (MDOC_Hang):
-                       /* FALLTHROUGH */
-               case (MDOC_Ohang):
-                       /* FALLTHROUGH */
-               case (MDOC_Inset):
-                       /* FALLTHROUGH */
-               case (MDOC_Bullet):
-                       /* FALLTHROUGH */
-               case (MDOC_Dash):
-                       /* FALLTHROUGH */
-               case (MDOC_Enum):
-                       /* FALLTHROUGH */
-               case (MDOC_Hyphen):
-                       /* FALLTHROUGH */
-               case (MDOC_Item):
-                       type = n->args->argv[i].arg;
-                       break;
-               case (MDOC_Column):
-                       type = n->args->argv[i].arg;
-                       cols = (int)n->args->argv[i].sz;
-                       break;
-               default:
+       switch (lt) {
+       case (LIST_tag):
+               if (mdoc->last->head->child)

                        break;
                        break;

-               }
-
-       if (-1 == type)
-               return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
-
-       switch (type) {
-       case (MDOC_Tag):
-               if (NULL == mdoc->last->head->child)
-                       if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
-                               return(0);
+               /* FIXME: give this a dummy value. */
+               if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
+                       return(0);

                break;
                break;

-       case (MDOC_Hang):
+       case (LIST_hang):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Ohang):
+       case (LIST_ohang):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Inset):
+       case (LIST_inset):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Diag):
+       case (LIST_diag):

                if (NULL == mdoc->last->head->child)
                if (NULL == mdoc->last->head->child)

-                       if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
-                               return(0);
-               if (NULL == mdoc->last->body->child)
-                       if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
+                       if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))

                                return(0);
                break;
                                return(0);
                break;

-       case (MDOC_Bullet):
+       case (LIST_bullet):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Dash):
+       case (LIST_dash):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Enum):
+       case (LIST_enum):

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Hyphen):
+       case (LIST_hyphen):
+               if (NULL == mdoc->last->body->child)
+                       if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
+                               return(0);

                /* FALLTHROUGH */
                /* FALLTHROUGH */

-       case (MDOC_Item):
+       case (LIST_item):

                if (mdoc->last->head->child)
                if (mdoc->last->head->child)

-                       if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
-                               return(0);
-               if (NULL == mdoc->last->body->child)
-                       if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
+                       if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))

                                return(0);
                break;
                                return(0);
                break;

-       case (MDOC_Column):
-               if (NULL == mdoc->last->head->child)
-                       if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
-                               return(0);
-               if (mdoc->last->body->child)
-                       if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
+       case (LIST_column):
+               cols = (int)n->data.Bl->ncols;
+
+               assert(NULL == mdoc->last->head->child);
+
+               if (NULL == mdoc->last->body->child)
+                       if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))

                                return(0);
                                return(0);

-               c = mdoc->last->child;
-               for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
-                       i++;
-               if (i == cols)
+
+               for (i = 0, c = mdoc->last->child; c; c = c->next)
+                       if (MDOC_BODY == c->type)
+                               i++;
+
+               if (i < cols)
+                       er = MANDOCERR_ARGCOUNT;
+               else if (i == cols || i == cols + 1)

                        break;
                        break;

-               return(mdoc_verr(mdoc, mdoc->last->line, mdoc->last->pos,
-                               "column mismatch (have %d, want %d)", 
-                               i, cols));
+               else
+                       er = MANDOCERR_SYNTARGCOUNT;
+
+               rc = mdoc_vmsg(mdoc, er, 
+                               mdoc->last->line, mdoc->last->pos, 
+                               "columns == %d (have %d)", cols, i);
+               return(rc);

        default:
                break;
        }
        default:
                break;
        }


@@ -1042,23 +1193,23 @@ post_it(POST_ARGS)
 static int
 post_bl_head(POST_ARGS) 
 {
 static int
 post_bl_head(POST_ARGS) 
 {

-       int                     i;
-       const struct mdoc_node *n;
+       int               i;
+       struct mdoc_node *n;

 
 

+       assert(mdoc->last->parent);

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

-       assert(n->args);

 
 

-       for (i = 0; i < (int)n->args->argc; i++)
-               if (n->args->argv[i].arg == MDOC_Column)
-                       break;
-
-       if (i == (int)n->args->argc)
+       if (LIST_column == n->data.Bl->type) {
+               if (n->data.Bl->ncols && mdoc->last->nchild) {
+                       mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS);
+                       return(0);
+               }

                return(1);
                return(1);

+       }

 
 

-       if (n->args->argv[i].sz && mdoc->last->child)
-               return(mdoc_nerr(mdoc, n, ECOLMIS));
-
-       return(1);
+       if (0 == (i = mdoc->last->nchild))
+               return(1);
+       return(warn_count(mdoc, "==", 0, "line arguments", i));

 }
 
 
 }
 
 


@@ -1074,14 +1225,20 @@ post_bl(POST_ARGS)
        if (NULL == mdoc->last->child)
                return(1);
 
        if (NULL == mdoc->last->child)
                return(1);
 

+       /*
+        * We only allow certain children of `Bl'.  This is usually on
+        * `It', but apparently `Sm' occurs here and there, so we let
+        * that one through, too.
+        */
+

        /* LINTED */
        for (n = mdoc->last->child; n; n = n->next) {
        /* LINTED */
        for (n = mdoc->last->child; n; n = n->next) {

-               if (MDOC_BLOCK == n->type) 
-                       if (MDOC_It == n->tok)
-                               continue;
-               return(mdoc_verr(mdoc, n->line, n->pos, 
-                               "bad child of parent %s",
-                               mdoc_macronames[mdoc->last->tok]));
+               if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
+                       continue;
+               if (MDOC_Sm == n->tok)
+                       continue;
+               mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
+               return(0);

        }
 
        return(1);
        }
 
        return(1);


@@ -1106,7 +1263,7 @@ ebool(struct mdoc *mdoc)
 
        if (NULL == n)
                return(1);
 
        if (NULL == n)
                return(1);

-       return(mdoc_nerr(mdoc, n, EBOOL));
+       return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));

 }
 
 
 }
 
 


@@ -1115,16 +1272,17 @@ post_root(POST_ARGS)
 {
 
        if (NULL == mdoc->first->child)
 {
 
        if (NULL == mdoc->first->child)

-               return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
-       if ( ! (MDOC_PBODY & mdoc->flags))
-               return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
-
-       if (MDOC_BLOCK != mdoc->first->child->type)
-               return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
-       if (MDOC_Sh != mdoc->first->child->tok)
-               return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
+               mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
+       else if ( ! (MDOC_PBODY & mdoc->flags))
+               mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
+       else if (MDOC_BLOCK != mdoc->first->child->type)
+               mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
+       else if (MDOC_Sh != mdoc->first->child->tok)
+               mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
+       else
+               return(1);

 
 

-       return(1);
+       return(0);

 }
 
 
 }
 
 


@@ -1134,7 +1292,54 @@ post_st(POST_ARGS)
 
        if (mdoc_a2st(mdoc->last->child->string))
                return(1);
 
        if (mdoc_a2st(mdoc->last->child->string))
                return(1);

-       return(mdoc_nerr(mdoc, mdoc->last, EBADSTAND));
+       return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
+}
+
+
+static int
+post_rs(POST_ARGS)
+{
+       struct mdoc_node        *nn;
+
+       if (MDOC_BODY != mdoc->last->type)
+               return(1);
+
+       for (nn = mdoc->last->child; nn; nn = nn->next)
+               switch (nn->tok) {
+               case(MDOC__U):
+                       /* FALLTHROUGH */
+               case(MDOC__Q):
+                       /* FALLTHROUGH */
+               case(MDOC__C):
+                       /* FALLTHROUGH */
+               case(MDOC__A):
+                       /* FALLTHROUGH */
+               case(MDOC__B):
+                       /* FALLTHROUGH */
+               case(MDOC__D):
+                       /* FALLTHROUGH */
+               case(MDOC__I):
+                       /* FALLTHROUGH */
+               case(MDOC__J):
+                       /* FALLTHROUGH */
+               case(MDOC__N):
+                       /* FALLTHROUGH */
+               case(MDOC__O):
+                       /* FALLTHROUGH */
+               case(MDOC__P):
+                       /* FALLTHROUGH */
+               case(MDOC__R):
+                       /* FALLTHROUGH */
+               case(MDOC__T):
+                       /* FALLTHROUGH */
+               case(MDOC__V):
+                       break;
+               default:
+                       mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
+                       return(0);
+               }
+
+       return(1);

 }
 
 
 }
 
 


@@ -1166,27 +1371,28 @@ post_sh_body(POST_ARGS)
         */
 
        if (NULL == (n = mdoc->last->child))
         */
 
        if (NULL == (n = mdoc->last->child))

-               return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
+               return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));

 
        for ( ; n && n->next; n = n->next) {
                if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
                        continue;
                if (MDOC_TEXT == n->type)
                        continue;
 
        for ( ; n && n->next; n = n->next) {
                if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
                        continue;
                if (MDOC_TEXT == n->type)
                        continue;

-               if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
+               if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))

                        return(0);
        }
 
                        return(0);
        }
 

+       assert(n);

        if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
                return(1);
        if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
                return(1);

-       return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
+       return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));

 }
 
 
 static int
 post_sh_head(POST_ARGS)
 {
 }
 
 
 static int
 post_sh_head(POST_ARGS)
 {

-       char                    buf[64];
+       char                    buf[BUFSIZ];

        enum mdoc_sec           sec;
        const struct mdoc_node *n;
 
        enum mdoc_sec           sec;
        const struct mdoc_node *n;
 


@@ -1197,21 +1403,30 @@ post_sh_head(POST_ARGS)
         * certain manual sections.
         */
 
         * certain manual sections.
         */
 

-       buf[0] = 0;
+       buf[0] = '\0';
+
+       /*
+        * FIXME: yes, these can use a dynamic buffer, but I don't do so
+        * in the interests of simplicity.
+        */

 
        for (n = mdoc->last->child; n; n = n->next) {
                /* XXX - copied from compact(). */
                assert(MDOC_TEXT == n->type);
 
 
        for (n = mdoc->last->child; n; n = n->next) {
                /* XXX - copied from compact(). */
                assert(MDOC_TEXT == n->type);
 

-               if (strlcat(buf, n->string, 64) >= 64)
-                       return(mdoc_nerr(mdoc, n, ETOOLONG));
+               if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
+                       mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
+                       return(0);
+               }

                if (NULL == n->next)
                        continue;
                if (NULL == n->next)
                        continue;

-               if (strlcat(buf, " ", 64) >= 64)
-                       return(mdoc_nerr(mdoc, n, ETOOLONG));
+               if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
+                       mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
+                       return(0);
+               }

        }
 
        }
 

-       sec = mdoc_atosec(buf);
+       sec = mdoc_str2sec(buf);

 
        /* 
         * Check: NAME should always be first, CUSTOM has no roles,
 
        /* 
         * Check: NAME should always be first, CUSTOM has no roles,


@@ -1219,43 +1434,38 @@ post_sh_head(POST_ARGS)
         */
 
        if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
         */
 
        if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)

-               return(mdoc_nerr(mdoc, mdoc->last, ESECNAME));
+               if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
+                       return(0);
+

        if (SEC_CUSTOM == sec)
                return(1);
        if (SEC_CUSTOM == sec)
                return(1);

+

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

-               if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
+               if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))

                        return(0);
                        return(0);

+

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

-               if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
+               if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))

                        return(0);
 
        /* 
         * Check particular section/manual conventions.  LIBRARY can
                        return(0);
 
        /* 
         * Check particular section/manual conventions.  LIBRARY can

-        * only occur in msec 2, 3 (TODO: are there more of these?).
+        * only occur in manual section 2, 3, and 9.

         */
 
        switch (sec) {
        case (SEC_LIBRARY):
         */
 
        switch (sec) {
        case (SEC_LIBRARY):

-               switch (mdoc->meta.msec) {
-               case (2):
-                       /* FALLTHROUGH */
-               case (3):
+               assert(mdoc->meta.msec);
+               if (*mdoc->meta.msec == '2')

                        break;
                        break;

-               default:
-                       return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
-               }
-               break;
+               if (*mdoc->meta.msec == '3')
+                       break;
+               if (*mdoc->meta.msec == '9')
+                       break;
+               return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));

        default:
                break;
        }
 
        return(1);
 }
        default:
                break;
        }
 
        return(1);
 }

-
-
-static int
-pre_fd(PRE_ARGS)
-{
-
-       return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
-}