X-Git-Url: https://git.cameronkatri.com/mandoc.git/blobdiff_plain/74b591fa2335010445acec31b76b8d78dc0f278c..6def9e6849d2a7530ac499cd2b141353134283ac:/mdoc_validate.c?ds=inline

diff --git a/mdoc_validate.c b/mdoc_validate.c
index dda9f768..a34a221d 100644
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -1,6 +1,7 @@
-/*	$Id: mdoc_validate.c,v 1.138 2010/12/05 15:59:27 kristaps Exp $ */
+/*	$Id: mdoc_validate.c,v 1.169 2011/04/30 10:18:24 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -32,6 +33,7 @@
 #include <string.h>
 #include <time.h>
 
+#include "mdoc.h"
 #include "mandoc.h"
 #include "libmdoc.h"
 #include "libmandoc.h"
@@ -53,7 +55,6 @@ enum	check_ineq {
 enum	check_lvl {
 	CHECK_WARN,
 	CHECK_ERROR,
-	CHECK_FATAL
 };
 
 typedef	int	(*v_pre)(PRE_ARGS);
@@ -74,20 +75,19 @@ static	void	 check_args(struct mdoc *, struct mdoc_node *);
 
 static	int	 concat(struct mdoc *, char *, 
 			const struct mdoc_node *, size_t);
+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	 eerr_eq0(POST_ARGS);
-static	int	 eerr_eq1(POST_ARGS);
-static	int	 eerr_ge1(POST_ARGS);
-static	int	 eerr_le1(POST_ARGS);
 static	int	 ewarn_eq0(POST_ARGS);
+static	int	 ewarn_eq1(POST_ARGS);
 static	int	 ewarn_ge1(POST_ARGS);
-static	int	 herr_eq0(POST_ARGS);
-static	int	 herr_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	 hwarn_le1(POST_ARGS);
 
 static	int	 post_an(POST_ARGS);
@@ -98,6 +98,7 @@ 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_dd(POST_ARGS);
 static	int	 post_dt(POST_ARGS);
 static	int	 post_defaults(POST_ARGS);
@@ -106,7 +107,9 @@ static	int	 post_eoln(POST_ARGS);
 static	int	 post_it(POST_ARGS);
 static	int	 post_lb(POST_ARGS);
 static	int	 post_nm(POST_ARGS);
+static	int	 post_ns(POST_ARGS);
 static	int	 post_os(POST_ARGS);
+static	int	 post_ignpar(POST_ARGS);
 static	int	 post_prol(POST_ARGS);
 static	int	 post_root(POST_ARGS);
 static	int	 post_rs(POST_ARGS);
@@ -136,30 +139,31 @@ static	v_post	 posts_bd[] = { post_literal, hwarn_eq0, bwarn_ge1, NULL };
 static	v_post	 posts_bf[] = { hwarn_le1, 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_bool[] = { eerr_eq1, ebool, 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_dd[] = { ewarn_ge1, post_dd, post_prol, NULL };
-static	v_post	 posts_dl[] = { post_literal, bwarn_ge1, herr_eq0, 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_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
 static	v_post	 posts_it[] = { post_it, NULL };
-static	v_post	 posts_lb[] = { eerr_eq1, post_lb, NULL };
+static	v_post	 posts_lb[] = { post_lb, NULL };
 static	v_post	 posts_nd[] = { berr_ge1, 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_rs[] = { berr_ge1, herr_eq0, post_rs, 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_rs[] = { post_rs, NULL };
+static	v_post	 posts_sh[] = { post_ignpar, hwarn_ge1, post_sh, NULL };
+static	v_post	 posts_sp[] = { ewarn_le1, NULL };
+static	v_post	 posts_ss[] = { post_ignpar, hwarn_ge1, NULL };
+static	v_post	 posts_st[] = { post_st, NULL };
 static	v_post	 posts_std[] = { post_std, NULL };
-static	v_post	 posts_text[] = { eerr_ge1, NULL };
-static	v_post	 posts_text1[] = { eerr_eq1, 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_post	 posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
-static	v_post	 posts_wtext[] = { ewarn_ge1, NULL };
+static	v_post	 posts_wline[] = { bwarn_ge1, 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 };
@@ -169,14 +173,14 @@ static	v_pre	 pres_dd[] = { pre_dd, NULL };
 static	v_pre	 pres_dt[] = { pre_dt, NULL };
 static	v_pre	 pres_er[] = { NULL, NULL };
 static	v_pre	 pres_fd[] = { NULL, NULL };
-static	v_pre	 pres_it[] = { pre_it, NULL };
+static	v_pre	 pres_it[] = { pre_it, pre_par, 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 };
 
-const	struct valids mdoc_valids[MDOC_MAX] = {
+static	const struct valids mdoc_valids[MDOC_MAX] = {
 	{ NULL, NULL },				/* Ap */
 	{ pres_dd, posts_dd },			/* Dd */
 	{ pres_dt, posts_dt },			/* Dt */
@@ -191,36 +195,36 @@ const	struct valids mdoc_valids[MDOC_MAX] = {
 	{ pres_bl, posts_bl },			/* Bl */ 
 	{ NULL, NULL },				/* El */
 	{ pres_it, posts_it },			/* It */
-	{ NULL, posts_text },			/* Ad */ 
+	{ NULL, NULL },				/* Ad */ 
 	{ pres_an, posts_an },			/* An */ 
 	{ NULL, posts_defaults },		/* Ar */
-	{ NULL, posts_text },			/* Cd */ 
+	{ NULL, NULL },				/* Cd */ 
 	{ NULL, NULL },				/* Cm */
 	{ NULL, NULL },				/* Dv */ 
-	{ pres_er, posts_text },		/* Er */ 
+	{ pres_er, NULL },			/* Er */ 
 	{ NULL, NULL },				/* Ev */ 
 	{ pres_std, posts_std },		/* Ex */ 
 	{ NULL, NULL },				/* Fa */ 
-	{ pres_fd, posts_wtext },		/* Fd */
+	{ pres_fd, posts_text },		/* Fd */
 	{ NULL, NULL },				/* Fl */
-	{ NULL, posts_text },			/* Fn */ 
-	{ NULL, posts_wtext },			/* Ft */ 
-	{ NULL, posts_text },			/* Ic */ 
+	{ NULL, NULL },				/* Fn */ 
+	{ NULL, NULL },				/* Ft */ 
+	{ NULL, NULL },				/* Ic */ 
 	{ NULL, posts_text1 },			/* In */ 
 	{ NULL, posts_defaults },		/* Li */
 	{ NULL, posts_nd },			/* Nd */
 	{ NULL, posts_nm },			/* Nm */
-	{ NULL, posts_wline },			/* Op */
+	{ NULL, NULL },				/* Op */
 	{ NULL, NULL },				/* Ot */
 	{ NULL, posts_defaults },		/* Pa */
 	{ pres_std, posts_std },		/* Rv */
 	{ NULL, posts_st },			/* St */ 
 	{ NULL, NULL },				/* Va */
 	{ NULL, posts_vt },			/* Vt */ 
-	{ NULL, posts_wtext },			/* Xr */ 
+	{ NULL, posts_text },			/* Xr */ 
 	{ NULL, posts_text },			/* %A */
 	{ NULL, posts_text },			/* %B */ /* FIXME: can be used outside Rs/Re. */
-	{ NULL, posts_text },			/* %D */ /* FIXME: check date with mandoc_a2time(). */
+	{ NULL, posts_text },			/* %D */
 	{ NULL, posts_text },			/* %I */
 	{ NULL, posts_text },			/* %J */
 	{ NULL, posts_text },			/* %N */
@@ -231,45 +235,45 @@ const	struct valids mdoc_valids[MDOC_MAX] = {
 	{ NULL, posts_text },			/* %V */
 	{ NULL, NULL },				/* Ac */
 	{ NULL, NULL },				/* Ao */
-	{ NULL, posts_wline },			/* Aq */
+	{ NULL, NULL },				/* Aq */
 	{ NULL, posts_at },			/* At */ 
 	{ NULL, NULL },				/* Bc */
 	{ NULL, posts_bf },			/* Bf */
 	{ NULL, NULL },				/* Bo */
-	{ NULL, posts_wline },			/* Bq */
+	{ NULL, NULL },				/* Bq */
 	{ NULL, NULL },				/* Bsx */
-	{ NULL, NULL },				/* Bx */
+	{ NULL, posts_bx },			/* Bx */
 	{ NULL, posts_bool },			/* Db */
 	{ NULL, NULL },				/* Dc */
 	{ NULL, NULL },				/* Do */
-	{ NULL, posts_wline },			/* Dq */
+	{ NULL, NULL },				/* Dq */
 	{ NULL, NULL },				/* Ec */
 	{ NULL, NULL },				/* Ef */ 
 	{ NULL, NULL },				/* Em */ 
 	{ NULL, NULL },				/* Eo */
 	{ NULL, NULL },				/* Fx */
-	{ NULL, posts_text },			/* Ms */ 
+	{ NULL, NULL },				/* Ms */ 
 	{ NULL, posts_notext },			/* No */
-	{ NULL, posts_notext },			/* Ns */
+	{ NULL, posts_ns },			/* Ns */
 	{ NULL, NULL },				/* Nx */
 	{ NULL, NULL },				/* Ox */
 	{ NULL, NULL },				/* Pc */
 	{ NULL, posts_text1 },			/* Pf */
 	{ NULL, NULL },				/* Po */
-	{ NULL, posts_wline },			/* Pq */
+	{ NULL, NULL },				/* Pq */
 	{ NULL, NULL },				/* Qc */
-	{ NULL, posts_wline },			/* Ql */
+	{ NULL, NULL },				/* Ql */
 	{ NULL, NULL },				/* Qo */
-	{ NULL, posts_wline },			/* Qq */
+	{ NULL, NULL },				/* Qq */
 	{ NULL, NULL },				/* Re */
 	{ NULL, posts_rs },			/* Rs */
 	{ NULL, NULL },				/* Sc */
 	{ NULL, NULL },				/* So */
-	{ NULL, posts_wline },			/* Sq */
+	{ NULL, NULL },				/* Sq */
 	{ NULL, posts_bool },			/* Sm */ 
-	{ NULL, posts_text },			/* Sx */
-	{ NULL, posts_text },			/* Sy */
-	{ NULL, posts_text },			/* Tn */
+	{ NULL, NULL },				/* Sx */
+	{ NULL, NULL },				/* Sy */
+	{ NULL, NULL },				/* Tn */
 	{ NULL, NULL },				/* Ux */
 	{ NULL, NULL },				/* Xc */
 	{ NULL, NULL },				/* Xo */
@@ -285,9 +289,9 @@ const	struct valids mdoc_valids[MDOC_MAX] = {
 	{ NULL, posts_eoln },			/* Ud */
 	{ NULL, posts_lb },			/* Lb */
 	{ NULL, posts_notext },			/* Lp */ 
-	{ NULL, posts_text },			/* Lk */ 
+	{ NULL, NULL },				/* Lk */ 
 	{ NULL, posts_defaults },		/* Mt */ 
-	{ NULL, posts_wline },			/* Brq */ 
+	{ NULL, NULL },				/* Brq */ 
 	{ NULL, NULL },				/* Bro */ 
 	{ NULL, NULL },				/* Brc */ 
 	{ NULL, posts_text },			/* %C */
@@ -320,6 +324,30 @@ static	const enum mdoct rsord[RSORD_MAX] = {
 	MDOC__U
 };
 
+static	const char * const secnames[SEC__MAX] = {
+	NULL,
+	"NAME",
+	"LIBRARY",
+	"SYNOPSIS",
+	"DESCRIPTION",
+	"IMPLEMENTATION NOTES",
+	"RETURN VALUES",
+	"ENVIRONMENT",
+	"FILES",
+	"EXIT STATUS",
+	"EXAMPLES",
+	"DIAGNOSTICS",
+	"COMPATIBILITY",
+	"ERRORS",
+	"SEE ALSO",
+	"STANDARDS",
+	"HISTORY",
+	"AUTHORS",
+	"CAVEATS",
+	"BUGS",
+	"SECURITY CONSIDERATIONS",
+	NULL
+};
 
 int
 mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
@@ -328,12 +356,21 @@ mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
 	int		 line, pos;
 	char		*tp;
 
-	if (MDOC_TEXT == n->type) {
+	switch (n->type) {
+	case (MDOC_TEXT):
 		tp = n->string;
 		line = n->line;
 		pos = n->pos;
 		check_text(mdoc, line, pos, tp);
+		/* FALLTHROUGH */
+	case (MDOC_TBL):
+		/* FALLTHROUGH */
+	case (MDOC_EQN):
+		/* FALLTHROUGH */
+	case (MDOC_ROOT):
 		return(1);
+	default:
+		break;
 	}
 
 	check_args(mdoc, n);
@@ -356,10 +393,18 @@ mdoc_valid_post(struct mdoc *mdoc)
 		return(1);
 	mdoc->last->flags |= MDOC_VALID;
 
-	if (MDOC_TEXT == mdoc->last->type)
+	switch (mdoc->last->type) {
+	case (MDOC_TEXT):
+		/* FALLTHROUGH */
+	case (MDOC_EQN):
+		/* FALLTHROUGH */
+	case (MDOC_TBL):
 		return(1);
-	if (MDOC_ROOT == mdoc->last->type)
+	case (MDOC_ROOT):
 		return(post_root(mdoc));
+	default:
+		break;
+	}
 
 	if (NULL == mdoc_valids[mdoc->last->tok].post)
 		return(1);
@@ -375,6 +420,7 @@ check_count(struct mdoc *m, enum mdoc_type type,
 		enum check_lvl lvl, enum check_ineq ineq, int val)
 {
 	const char	*p;
+	enum mandocerr	 t;
 
 	if (m->last->type != type)
 		return(1);
@@ -386,7 +432,7 @@ check_count(struct mdoc *m, enum mdoc_type type,
 			return(1);
 		break;
 	case (CHECK_GT):
-		p = "greater than ";
+		p = "more than ";
 		if (m->last->nchild > val)
 			return(1);
 		break;
@@ -400,26 +446,18 @@ check_count(struct mdoc *m, enum mdoc_type type,
 		/* NOTREACHED */
 	}
 
-	if (CHECK_WARN == lvl) {
-		return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
-				m->last->line, m->last->pos,
-				"want %s%d children (have %d)",
-				p, val, m->last->nchild));
-	}
-
-	/* FIXME: THIS IS THE SAME AS THE ABOVE. */
-
-	return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
-			m->last->line, m->last->pos,
-			"require %s%d children (have %d)",
-			p, val, m->last->nchild));
+	t = lvl == CHECK_WARN ? MANDOCERR_ARGCWARN : MANDOCERR_ARGCOUNT;
+	mandoc_vmsg(t, m->parse, m->last->line, m->last->pos,
+			"want %s%d children (have %d)",
+			p, val, m->last->nchild);
+	return(1);
 }
 
 static int
 berr_ge1(POST_ARGS)
 {
 
-	return(check_count(mdoc, MDOC_BODY, CHECK_FATAL, CHECK_GT, 0));
+	return(check_count(mdoc, MDOC_BODY, CHECK_ERROR, CHECK_GT, 0));
 }
 
 static int
@@ -428,30 +466,6 @@ bwarn_ge1(POST_ARGS)
 	return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0));
 }
 
-static int
-eerr_eq0(POST_ARGS)
-{
-	return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 0));
-}
-
-static int
-eerr_eq1(POST_ARGS)
-{
-	return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 1));
-}
-
-static int
-eerr_ge1(POST_ARGS)
-{
-	return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_GT, 0));
-}
-
-static int
-eerr_le1(POST_ARGS)
-{
-	return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_LT, 2));
-}
-
 static int
 ewarn_eq0(POST_ARGS)
 {
@@ -459,21 +473,21 @@ ewarn_eq0(POST_ARGS)
 }
 
 static int
-ewarn_ge1(POST_ARGS)
+ewarn_eq1(POST_ARGS)
 {
-	return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0));
+	return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1));
 }
 
 static int
-herr_eq0(POST_ARGS)
+ewarn_ge1(POST_ARGS)
 {
-	return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_EQ, 0));
+	return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0));
 }
 
 static int
-herr_ge1(POST_ARGS)
+ewarn_le1(POST_ARGS)
 {
-	return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_GT, 0));
+	return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_LT, 2));
 }
 
 static int
@@ -488,6 +502,12 @@ 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 int
 hwarn_le1(POST_ARGS)
 {
@@ -525,31 +545,39 @@ check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)
 static void
 check_text(struct mdoc *m, int ln, int pos, char *p)
 {
-	int		 c;
+	char		*cpp, *pp;
 	size_t		 sz;
 
-	for ( ; *p; p++, pos++) {
+	while ('\0' != *p) {
 		sz = strcspn(p, "\t\\");
-		p += (int)sz;
-
-		if ('\0' == *p)
-			break;
 
+		p += (int)sz;
 		pos += (int)sz;
 
 		if ('\t' == *p) {
 			if ( ! (MDOC_LITERAL & m->flags))
 				mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB);
+			p++;
+			pos++;
 			continue;
-		}
+		} else if ('\0' == *p)
+			break;
+
+		pos++;
+		pp = ++p;
 
-		if (0 == (c = mandoc_special(p))) {
+		if (ESCAPE_ERROR == mandoc_escape
+				((const char **)&pp, NULL, NULL)) {
 			mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
-			continue;
+			break;
 		}
 
-		p += c - 1;
-		pos += c - 1;
+		cpp = p;
+		while (NULL != (cpp = memchr(cpp, ASCII_HYPH, pp - cpp)))
+			*cpp = '-';
+
+		pos += pp - p;
+		p = pp;
 	}
 }
 
@@ -562,10 +590,9 @@ check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
 			(t == n->parent->type))
 		return(1);
 
-	mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
-				n->line, n->pos, "want parent %s",
-				MDOC_ROOT == t ? "<root>" : 
-					mdoc_macronames[tok]);
+	mandoc_vmsg(MANDOCERR_SYNTCHILD, mdoc->parse, n->line, 
+			n->pos, "want parent %s", MDOC_ROOT == t ? 
+			"<root>" : mdoc_macronames[tok]);
 	return(0);
 }
 
@@ -608,8 +635,6 @@ pre_bl(PRE_ARGS)
 		assert(np);
 		assert(MDOC_BLOCK == np->type);
 		assert(MDOC_Bl == np->tok);
-		assert(np->data.Bl);
-		n->data.Bl = np->data.Bl;
 		return(1);
 	}
 
@@ -619,9 +644,6 @@ pre_bl(PRE_ARGS)
 	 * ones.  If we find no list type, we default to LIST_item.
 	 */
 
-	assert(NULL == n->data.Bl);
-	n->data.Bl = mandoc_calloc(1, sizeof(struct mdoc_bl));
-
 	/* LINTED */
 	for (i = 0; n->args && i < (int)n->args->argc; i++) {
 		lt = LIST__NONE;
@@ -664,18 +686,18 @@ pre_bl(PRE_ARGS)
 			break;
 		/* Set list arguments. */
 		case (MDOC_Compact):
-			dup = n->data.Bl->comp;
+			dup = n->norm->Bl.comp;
 			comp = 1;
 			break;
 		case (MDOC_Width):
-			dup = (NULL != n->data.Bl->width);
+			dup = (NULL != n->norm->Bl.width);
 			width = n->args->argv[i].value[0];
 			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->data.Bl->offs);
+				dup = (NULL != n->norm->Bl.offs);
 				break;
 			}
 			mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
@@ -690,36 +712,36 @@ pre_bl(PRE_ARGS)
 			mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP);
 
 		if (comp && ! dup)
-			n->data.Bl->comp = comp;
+			n->norm->Bl.comp = comp;
 		if (offs && ! dup)
-			n->data.Bl->offs = offs;
+			n->norm->Bl.offs = offs;
 		if (width && ! dup)
-			n->data.Bl->width = width;
+			n->norm->Bl.width = width;
 
 		/* Check: multiple list types. */
 
-		if (LIST__NONE != lt && n->data.Bl->type != LIST__NONE)
+		if (LIST__NONE != lt && n->norm->Bl.type != LIST__NONE)
 			mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP);
 
 		/* Assign list type. */
 
-		if (LIST__NONE != lt && n->data.Bl->type == LIST__NONE) {
-			n->data.Bl->type = lt;
+		if (LIST__NONE != lt && n->norm->Bl.type == LIST__NONE) {
+			n->norm->Bl.type = lt;
 			/* Set column information, too. */
 			if (LIST_column == lt) {
-				n->data.Bl->ncols = 
+				n->norm->Bl.ncols = 
 					n->args->argv[i].sz;
-				n->data.Bl->cols = (const char **)
+				n->norm->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 (n->norm->Bl.type == LIST__NONE)
+			if (n->norm->Bl.width || 
+					n->norm->Bl.offs || 
+					n->norm->Bl.comp)
 				mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST);
 
 		continue;
@@ -727,9 +749,9 @@ pre_bl(PRE_ARGS)
 
 	/* Allow lists to default to LIST_item. */
 
-	if (LIST__NONE == n->data.Bl->type) {
+	if (LIST__NONE == n->norm->Bl.type) {
 		mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
-		n->data.Bl->type = LIST_item;
+		n->norm->Bl.type = LIST_item;
 	}
 
 	/* 
@@ -738,9 +760,9 @@ pre_bl(PRE_ARGS)
 	 * and must also be warned.
 	 */
 
-	switch (n->data.Bl->type) {
+	switch (n->norm->Bl.type) {
 	case (LIST_tag):
-		if (n->data.Bl->width)
+		if (n->norm->Bl.width)
 			break;
 		mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG);
 		break;
@@ -753,7 +775,7 @@ pre_bl(PRE_ARGS)
 	case (LIST_inset):
 		/* FALLTHROUGH */
 	case (LIST_item):
-		if (n->data.Bl->width)
+		if (n->norm->Bl.width)
 			mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
 		break;
 	default:
@@ -782,14 +804,9 @@ pre_bd(PRE_ARGS)
 		assert(np);
 		assert(MDOC_BLOCK == np->type);
 		assert(MDOC_Bd == np->tok);
-		assert(np->data.Bd);
-		n->data.Bd = np->data.Bd;
 		return(1);
 	}
 
-	assert(NULL == n->data.Bd);
-	n->data.Bd = mandoc_calloc(1, sizeof(struct mdoc_bd));
-
 	/* LINTED */
 	for (i = 0; n->args && i < (int)n->args->argc; i++) {
 		dt = DISP__NONE;
@@ -819,14 +836,14 @@ pre_bd(PRE_ARGS)
 			/* NB: this can be empty! */
 			if (n->args->argv[i].sz) {
 				offs = n->args->argv[i].value[0];
-				dup = (NULL != n->data.Bd->offs);
+				dup = (NULL != n->norm->Bd.offs);
 				break;
 			}
 			mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
 			break;
 		case (MDOC_Compact):
 			comp = 1;
-			dup = n->data.Bd->comp;
+			dup = n->norm->Bd.comp;
 			break;
 		default:
 			abort();
@@ -841,24 +858,24 @@ pre_bd(PRE_ARGS)
 		/* Make our auxiliary assignments. */
 
 		if (offs && ! dup)
-			n->data.Bd->offs = offs;
+			n->norm->Bd.offs = offs;
 		if (comp && ! dup)
-			n->data.Bd->comp = comp;
+			n->norm->Bd.comp = comp;
 
 		/* Check whether a type has already been assigned. */
 
-		if (DISP__NONE != dt && n->data.Bd->type != DISP__NONE)
+		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->data.Bd->type == DISP__NONE)
-			n->data.Bd->type = dt;
+		if (DISP__NONE != dt && n->norm->Bd.type == DISP__NONE)
+			n->norm->Bd.type = dt;
 	}
 
-	if (DISP__NONE == n->data.Bd->type) {
+	if (DISP__NONE == n->norm->Bd.type) {
 		mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
-		n->data.Bd->type = DISP_ragged;
+		n->norm->Bd.type = DISP_ragged;
 	}
 
 	return(1);
@@ -894,10 +911,6 @@ pre_it(PRE_ARGS)
 	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));
 }
 
@@ -915,9 +928,9 @@ pre_an(PRE_ARGS)
 			n->args->argv[i].pos, MANDOCERR_IGNARGV);
 
 	if (MDOC_Split == n->args->argv[0].arg)
-		n->data.An.auth = AUTH_split;
+		n->norm->An.auth = AUTH_split;
 	else if (MDOC_Nosplit == n->args->argv[0].arg)
-		n->data.An.auth = AUTH_nosplit;
+		n->norm->An.auth = AUTH_nosplit;
 	else
 		abort();
 
@@ -940,7 +953,7 @@ static int
 pre_dt(PRE_ARGS)
 {
 
-	if (0 == mdoc->meta.date || mdoc->meta.os)
+	if (NULL == mdoc->meta.date || mdoc->meta.os)
 		mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO);
 
 	if (mdoc->meta.title)
@@ -953,7 +966,7 @@ static int
 pre_os(PRE_ARGS)
 {
 
-	if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
+	if (NULL == mdoc->meta.title || NULL == mdoc->meta.date)
 		mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO);
 
 	if (mdoc->meta.os)
@@ -999,15 +1012,12 @@ post_bf(POST_ARGS)
 		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);
 	}
 
 	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));
 
 	/* 
 	 * Cannot have both argument and parameter.
@@ -1027,11 +1037,11 @@ post_bf(POST_ARGS)
 	if (np->parent->args) {
 		arg = np->parent->args->argv[0].arg;
 		if (MDOC_Emphasis == arg)
-			np->data.Bf->font = FONT_Em;
+			np->norm->Bf.font = FONT_Em;
 		else if (MDOC_Literal == arg)
-			np->data.Bf->font = FONT_Li;
+			np->norm->Bf.font = FONT_Li;
 		else if (MDOC_Symbolic == arg)
-			np->data.Bf->font = FONT_Sy;
+			np->norm->Bf.font = FONT_Sy;
 		else
 			abort();
 		return(1);
@@ -1040,11 +1050,11 @@ post_bf(POST_ARGS)
 	/* Extract parameter into data. */
 
 	if (0 == strcmp(np->child->string, "Em"))
-		np->data.Bf->font = FONT_Em;
+		np->norm->Bf.font = FONT_Em;
 	else if (0 == strcmp(np->child->string, "Li"))
-		np->data.Bf->font = FONT_Li;
+		np->norm->Bf.font = FONT_Li;
 	else if (0 == strcmp(np->child->string, "Sy"))
-		np->data.Bf->font = FONT_Sy;
+		np->norm->Bf.font = FONT_Sy;
 	else 
 		mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE);
 
@@ -1058,6 +1068,8 @@ post_lb(POST_ARGS)
 	char		*buf;
 	size_t		 sz;
 
+	check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1);
+
 	assert(mdoc->last->child);
 	assert(MDOC_TEXT == mdoc->last->child->type);
 
@@ -1101,12 +1113,11 @@ post_vt(POST_ARGS)
 	/*
 	 * 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,
+	 * behaviour).  ELEM types must have a child, which is already
+	 * guaranteed by the in_line parsing routine; 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);
 	
@@ -1250,17 +1261,12 @@ post_an(POST_ARGS)
 	struct mdoc_node *np;
 
 	np = mdoc->last;
-	if (AUTH__NONE != np->data.An.auth && np->child)
-		return(eerr_eq0(mdoc));
+	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);
 
-	/* 
-	 * FIXME: make this ewarn and make sure that the front-ends
-	 * don't print the arguments.
-	 */
-	if (AUTH__NONE != np->data.An.auth || np->child)
-		return(1);
-
-	mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS);
 	return(1);
 }
 
@@ -1268,7 +1274,7 @@ post_an(POST_ARGS)
 static int
 post_it(POST_ARGS)
 {
-	int		  i, cols, rc;
+	int		  i, cols;
 	enum mdoc_list	  lt;
 	struct mdoc_node *n, *c;
 	enum mandocerr	  er;
@@ -1277,8 +1283,7 @@ post_it(POST_ARGS)
 		return(1);
 
 	n = mdoc->last->parent->parent;
-	assert(n->data.Bl);
-	lt = n->data.Bl->type;
+	lt = n->norm->Bl.type;
 
 	if (LIST__NONE == lt) {
 		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
@@ -1317,7 +1322,7 @@ post_it(POST_ARGS)
 			mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST);
 		break;
 	case (LIST_column):
-		cols = (int)n->data.Bl->ncols;
+		cols = (int)n->norm->Bl.ncols;
 
 		assert(NULL == mdoc->last->head->child);
 
@@ -1335,10 +1340,10 @@ post_it(POST_ARGS)
 		else
 			er = MANDOCERR_SYNTARGCOUNT;
 
-		rc = mdoc_vmsg(mdoc, er, 
-				mdoc->last->line, mdoc->last->pos, 
+		mandoc_vmsg(er, mdoc->parse, mdoc->last->line, 
+				mdoc->last->pos, 
 				"columns == %d (have %d)", cols, i);
-		return(rc);
+		return(MANDOCERR_ARGCOUNT == er);
 	default:
 		break;
 	}
@@ -1361,17 +1366,17 @@ post_bl_block(POST_ARGS)
 
 	n = mdoc->last;
 
-	if (LIST_tag == n->data.Bl->type && 
-			NULL == n->data.Bl->width) {
+	if (LIST_tag == n->norm->Bl.type && 
+			NULL == n->norm->Bl.width) {
 		if ( ! post_bl_block_tag(mdoc))
 			return(0);
-	} else if (NULL != n->data.Bl->width) {
+	} else if (NULL != n->norm->Bl.width) {
 		if ( ! post_bl_block_width(mdoc))
 			return(0);
 	} else 
 		return(1);
 
-	assert(n->data.Bl->width);
+	assert(n->norm->Bl.width);
 	return(1);
 }
 
@@ -1395,11 +1400,11 @@ post_bl_block_width(POST_ARGS)
 	 * the macro's width as set in share/tmac/mdoc/doc-common.
 	 */
 
-	if (0 == strcmp(n->data.Bl->width, "Ds"))
+	if (0 == strcmp(n->norm->Bl.width, "Ds"))
 		width = 6;
-	else if (MDOC_MAX == (tok = mdoc_hash_find(n->data.Bl->width)))
+	else if (MDOC_MAX == (tok = mdoc_hash_find(n->norm->Bl.width)))
 		return(1);
-	else if (0 == (width = mdoc_macro2len(tok)))  {
+	else if (0 == (width = macro2len(tok)))  {
 		mdoc_nmsg(mdoc, n, MANDOCERR_BADWIDTH);
 		return(1);
 	}
@@ -1419,7 +1424,7 @@ post_bl_block_width(POST_ARGS)
 	n->args->argv[i].value[0] = mandoc_strdup(buf);
 
 	/* Set our width! */
-	n->data.Bl->width = n->args->argv[i].value[0];
+	n->norm->Bl.width = n->args->argv[i].value[0];
 	return(1);
 }
 
@@ -1456,7 +1461,7 @@ post_bl_block_tag(POST_ARGS)
 			break;
 		}
 
-		if (0 != (ssz = mdoc_macro2len(nn->tok)))
+		if (0 != (ssz = macro2len(nn->tok)))
 			sz = ssz;
 
 		break;
@@ -1485,7 +1490,7 @@ post_bl_block_tag(POST_ARGS)
 	n->args->argv[i].value[0] = mandoc_strdup(buf);
 
 	/* Set our width! */
-	n->data.Bl->width = n->args->argv[i].value[0];
+	n->norm->Bl.width = n->args->argv[i].value[0];
 	return(1);
 }
 
@@ -1496,7 +1501,7 @@ post_bl_head(POST_ARGS)
 	struct mdoc_node *np, *nn, *nnp;
 	int		  i, j;
 
-	if (LIST_column != mdoc->last->data.Bl->type)
+	if (LIST_column != mdoc->last->norm->Bl.type)
 		/* FIXME: this should be ERROR class... */
 		return(hwarn_eq0(mdoc));
 
@@ -1513,7 +1518,7 @@ post_bl_head(POST_ARGS)
 	 * lists, but I'll leave that for another day.
 	 */
 
-	if (mdoc->last->data.Bl->ncols && mdoc->last->nchild) {
+	if (mdoc->last->norm->Bl.ncols && mdoc->last->nchild) {
 		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_COLUMNS);
 		return(0);
 	} else if (NULL == mdoc->last->child)
@@ -1530,7 +1535,7 @@ post_bl_head(POST_ARGS)
 	assert(0 == np->args->argv[j].sz);
 
 	/*
-	 * Accomodate for new-style groff column syntax.  Shuffle the
+	 * Accommodate for new-style groff column syntax.  Shuffle the
 	 * child nodes, all of which must be TEXT, as arguments for the
 	 * column field.  Then, delete the head children.
 	 */
@@ -1539,8 +1544,8 @@ post_bl_head(POST_ARGS)
 	np->args->argv[j].value = mandoc_malloc
 		((size_t)mdoc->last->nchild * sizeof(char *));
 
-	mdoc->last->data.Bl->ncols = np->args->argv[j].sz;
-	mdoc->last->data.Bl->cols = (const char **)np->args->argv[j].value;
+	mdoc->last->norm->Bl.ncols = np->args->argv[j].sz;
+	mdoc->last->norm->Bl.cols = (const char **)np->args->argv[j].value;
 
 	for (i = 0, nn = mdoc->last->child; nn; i++) {
 		np->args->argv[j].value[i] = nn->string;
@@ -1567,21 +1572,22 @@ post_bl(POST_ARGS)
 		return(post_bl_block(mdoc));
 	if (MDOC_BODY != mdoc->last->type)
 		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) {
-		if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
-			continue;
-		if (MDOC_Sm == n->tok)
+		switch (n->tok) {
+		case (MDOC_Lp):
+			/* FALLTHROUGH */
+		case (MDOC_Pp):
+			mdoc_nmsg(mdoc, n, MANDOCERR_CHILD);
+			/* FALLTHROUGH */
+		case (MDOC_It):
+			/* FALLTHROUGH */
+		case (MDOC_Sm):
 			continue;
+		default:
+			break;
+		}
+
 		mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
 		return(0);
 	}
@@ -1593,8 +1599,12 @@ static int
 ebool(struct mdoc *mdoc)
 {
 
-	if (NULL == mdoc->last->child)
+	if (NULL == mdoc->last->child) {
+		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_MACROEMPTY);
+		mdoc_node_delete(mdoc, mdoc->last);
 		return(1);
+	}
+	check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1);
 
 	assert(MDOC_TEXT == mdoc->last->child->type);
 
@@ -1643,18 +1653,23 @@ post_root(POST_ARGS)
 static int
 post_st(POST_ARGS)
 {
-	const char	*p;
+	struct mdoc_node	 *ch;
+	const char		 *p;
 
-	assert(MDOC_TEXT == mdoc->last->child->type);
+	if (NULL == (ch = mdoc->last->child)) {
+		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_MACROEMPTY);
+		mdoc_node_delete(mdoc, mdoc->last);
+		return(1);
+	}
 
-	p = mdoc_a2st(mdoc->last->child->string);
+	assert(MDOC_TEXT == ch->type);
 
-	if (p == NULL) {
+	if (NULL == (p = mdoc_a2st(ch->string))) {
 		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD);
 		mdoc_node_delete(mdoc, mdoc->last);
 	} else {
-		free(mdoc->last->child->string);
-		mdoc->last->child->string = mandoc_strdup(p);
+		free(ch->string);
+		ch->string = mandoc_strdup(p);
 	}
 
 	return(1);
@@ -1666,8 +1681,18 @@ post_rs(POST_ARGS)
 	struct mdoc_node *nn, *next, *prev;
 	int		  i, j;
 
-	if (MDOC_BODY != mdoc->last->type)
+	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
@@ -1682,6 +1707,8 @@ post_rs(POST_ARGS)
 				break;
 
 		if (i < RSORD_MAX) {
+			if (MDOC__J == rsord[i] || MDOC__B == rsord[i])
+				mdoc->last->norm->Rs.quote_T++;
 			next = nn->next;
 			continue;
 		}
@@ -1756,6 +1783,15 @@ post_rs(POST_ARGS)
 	return(1);
 }
 
+static int
+post_ns(POST_ARGS)
+{
+
+	if (MDOC_LINE & mdoc->last->flags)
+		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNNS);
+	return(1);
+}
+
 static int
 post_sh(POST_ARGS)
 {
@@ -1819,7 +1855,7 @@ post_sh_head(POST_ARGS)
 	if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ))
 		return(0);
 
-	sec = mdoc_str2sec(buf);
+	sec = a2sec(buf);
 
 	/* The NAME should be first. */
 
@@ -1882,12 +1918,37 @@ post_sh_head(POST_ARGS)
 	return(1);
 }
 
+static int
+post_ignpar(POST_ARGS)
+{
+	struct mdoc_node *np;
+
+	if (MDOC_BODY != mdoc->last->type)
+		return(1);
+
+	if (NULL != (np = mdoc->last->child))
+		if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) {
+			mdoc_nmsg(mdoc, np, MANDOCERR_IGNPAR);
+			mdoc_node_delete(mdoc, np);
+		}
+
+	if (NULL != (np = mdoc->last->last))
+		if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) {
+			mdoc_nmsg(mdoc, np, MANDOCERR_IGNPAR);
+			mdoc_node_delete(mdoc, np);
+		}
+
+	return(1);
+}
+
 static int
 pre_par(PRE_ARGS)
 {
 
 	if (NULL == mdoc->last)
 		return(1);
+	if (MDOC_ELEM != n->type && MDOC_BLOCK != n->type)
+		return(1);
 
 	/* 
 	 * Don't allow prior `Lp' or `Pp' prior to a paragraph-type
@@ -1896,10 +1957,11 @@ pre_par(PRE_ARGS)
 
 	if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok)
 		return(1);
-
-	if (MDOC_Bl == n->tok && n->data.Bl->comp)
+	if (MDOC_Bl == n->tok && n->norm->Bl.comp)
+		return(1);
+	if (MDOC_Bd == n->tok && n->norm->Bd.comp)
 		return(1);
-	if (MDOC_Bd == n->tok && n->data.Bd->comp)
+	if (MDOC_It == n->tok && n->parent->norm->Bl.comp)
 		return(1);
 
 	mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNPAR);
@@ -1924,10 +1986,9 @@ pre_literal(PRE_ARGS)
 		mdoc->flags |= MDOC_LITERAL;
 		break;
 	case (MDOC_Bd):
-		assert(n->data.Bd);
-		if (DISP_literal == n->data.Bd->type)
+		if (DISP_literal == n->norm->Bd.type)
 			mdoc->flags |= MDOC_LITERAL;
-		if (DISP_unfilled == n->data.Bd->type)
+		if (DISP_unfilled == n->norm->Bd.type)
 			mdoc->flags |= MDOC_LITERAL;
 		break;
 	default:
@@ -1944,23 +2005,21 @@ post_dd(POST_ARGS)
 	char		  buf[DATESIZE];
 	struct mdoc_node *n;
 
-	n = mdoc->last;
+	if (mdoc->meta.date)
+		free(mdoc->meta.date);
 
-	if (NULL == n->child) {
-		mdoc->meta.date = time(NULL);
+	n = mdoc->last;
+	if (NULL == n->child || '\0' == n->child->string[0]) {
+		mdoc->meta.date = mandoc_normdate
+			(mdoc->parse, NULL, n->line, n->pos);
 		return(1);
 	}
 
 	if ( ! concat(mdoc, buf, n->child, DATESIZE))
 		return(0);
 
-	mdoc->meta.date = mandoc_a2time
-		(MTIME_MDOCDATE | MTIME_CANONICAL, buf);
-
-	if (0 == mdoc->meta.date) {
-		mdoc_nmsg(mdoc, n, MANDOCERR_BADDATE);
-		mdoc->meta.date = time(NULL);
-	}
+	mdoc->meta.date = mandoc_normdate
+		(mdoc->parse, buf, n->line, n->pos);
 
 	return(1);
 }
@@ -2089,6 +2148,25 @@ post_prol(POST_ARGS)
 	return(1);
 }
 
+static int
+post_bx(POST_ARGS)
+{
+	struct mdoc_node	*n;
+
+	/* 
+	 * Make `Bx's second argument always start with an uppercase
+	 * letter.  Groff checks if it's an "accepted" term, but we just
+	 * uppercase blindly.
+	 */
+
+	n = mdoc->last->child;
+	if (n && NULL != (n = n->next))
+		*n->string = (char)toupper
+			((unsigned char)*n->string);
+
+	return(1);
+}
+
 static int
 post_os(POST_ARGS)
 {
@@ -2124,7 +2202,7 @@ post_os(POST_ARGS)
 			return(0);
 		}
 #else /*!OSNAME */
-		if (uname(&utsname)) {
+		if (-1 == uname(&utsname)) {
 			mdoc_nmsg(mdoc, n, MANDOCERR_UNAME);
                         mdoc->meta.os = mandoc_strdup("UNKNOWN");
                         return(post_prol(mdoc));
@@ -2211,3 +2289,107 @@ concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz)
 	return(1);
 }
 
+static enum mdoc_sec 
+a2sec(const char *p)
+{
+	int		 i;
+
+	for (i = 0; i < (int)SEC__MAX; i++) 
+		if (secnames[i] && 0 == strcmp(p, secnames[i]))
+			return((enum mdoc_sec)i);
+
+	return(SEC_CUSTOM);
+}
+
+static size_t
+macro2len(enum mdoct macro)
+{
+
+	switch (macro) {
+	case(MDOC_Ad):
+		return(12);
+	case(MDOC_Ao):
+		return(12);
+	case(MDOC_An):
+		return(12);
+	case(MDOC_Aq):
+		return(12);
+	case(MDOC_Ar):
+		return(12);
+	case(MDOC_Bo):
+		return(12);
+	case(MDOC_Bq):
+		return(12);
+	case(MDOC_Cd):
+		return(12);
+	case(MDOC_Cm):
+		return(10);
+	case(MDOC_Do):
+		return(10);
+	case(MDOC_Dq):
+		return(12);
+	case(MDOC_Dv):
+		return(12);
+	case(MDOC_Eo):
+		return(12);
+	case(MDOC_Em):
+		return(10);
+	case(MDOC_Er):
+		return(17);
+	case(MDOC_Ev):
+		return(15);
+	case(MDOC_Fa):
+		return(12);
+	case(MDOC_Fl):
+		return(10);
+	case(MDOC_Fo):
+		return(16);
+	case(MDOC_Fn):
+		return(16);
+	case(MDOC_Ic):
+		return(10);
+	case(MDOC_Li):
+		return(16);
+	case(MDOC_Ms):
+		return(6);
+	case(MDOC_Nm):
+		return(10);
+	case(MDOC_No):
+		return(12);
+	case(MDOC_Oo):
+		return(10);
+	case(MDOC_Op):
+		return(14);
+	case(MDOC_Pa):
+		return(32);
+	case(MDOC_Pf):
+		return(12);
+	case(MDOC_Po):
+		return(12);
+	case(MDOC_Pq):
+		return(12);
+	case(MDOC_Ql):
+		return(16);
+	case(MDOC_Qo):
+		return(12);
+	case(MDOC_So):
+		return(12);
+	case(MDOC_Sq):
+		return(12);
+	case(MDOC_Sy):
+		return(6);
+	case(MDOC_Sx):
+		return(16);
+	case(MDOC_Tn):
+		return(10);
+	case(MDOC_Va):
+		return(12);
+	case(MDOC_Vt):
+		return(12);
+	case(MDOC_Xr):
+		return(10);
+	default:
+		break;
+	};
+	return(0);
+}