X-Git-Url: https://git.cameronkatri.com/mandoc.git/blobdiff_plain/01c92e6ac259f38d13175f7f9d76233713fff535..dad8ccfce027fa7413a641fab828e13cb96eac48:/mdoc_term.c

diff --git a/mdoc_term.c b/mdoc_term.c
index 7a007e84..dc17de54 100644
--- a/mdoc_term.c
+++ b/mdoc_term.c
@@ -1,39 +1,40 @@
-/*	$Id: mdoc_term.c,v 1.269 2014/07/02 19:55:10 schwarze Exp $ */
+/*	$Id: mdoc_term.c,v 1.343 2017/02/06 03:44:58 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * 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 <limits.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include "mandoc.h"
 #include "mandoc_aux.h"
+#include "mandoc.h"
+#include "roff.h"
+#include "mdoc.h"
 #include "out.h"
 #include "term.h"
-#include "mdoc.h"
+#include "tag.h"
 #include "main.h"
 
 struct	termpair {
@@ -43,34 +44,32 @@ struct	termpair {
 
 #define	DECL_ARGS struct termp *p, \
 		  struct termpair *pair, \
-		  const struct mdoc_meta *meta, \
-		  struct mdoc_node *n
+		  const struct roff_meta *meta, \
+		  struct roff_node *n
 
 struct	termact {
 	int	(*pre)(DECL_ARGS);
 	void	(*post)(DECL_ARGS);
 };
 
-static	size_t	  a2width(const struct termp *, const char *);
-static	size_t	  a2height(const struct termp *, const char *);
-static	size_t	  a2offs(const struct termp *, const char *);
+static	int	  a2width(const struct termp *, const char *);
 
 static	void	  print_bvspace(struct termp *,
-			const struct mdoc_node *,
-			const struct mdoc_node *);
+			const struct roff_node *,
+			const struct roff_node *);
 static	void	  print_mdoc_node(DECL_ARGS);
 static	void	  print_mdoc_nodelist(DECL_ARGS);
-static	void	  print_mdoc_head(struct termp *, const void *);
-static	void	  print_mdoc_foot(struct termp *, const void *);
+static	void	  print_mdoc_head(struct termp *, const struct roff_meta *);
+static	void	  print_mdoc_foot(struct termp *, const struct roff_meta *);
 static	void	  synopsis_pre(struct termp *,
-			const struct mdoc_node *);
+			const struct roff_node *);
 
 static	void	  termp____post(DECL_ARGS);
 static	void	  termp__t_post(DECL_ARGS);
-static	void	  termp_an_post(DECL_ARGS);
 static	void	  termp_bd_post(DECL_ARGS);
 static	void	  termp_bk_post(DECL_ARGS);
 static	void	  termp_bl_post(DECL_ARGS);
+static	void	  termp_eo_post(DECL_ARGS);
 static	void	  termp_fd_post(DECL_ARGS);
 static	void	  termp_fo_post(DECL_ARGS);
 static	void	  termp_in_post(DECL_ARGS);
@@ -81,6 +80,7 @@ static	void	  termp_pf_post(DECL_ARGS);
 static	void	  termp_quote_post(DECL_ARGS);
 static	void	  termp_sh_post(DECL_ARGS);
 static	void	  termp_ss_post(DECL_ARGS);
+static	void	  termp_xx_post(DECL_ARGS);
 
 static	int	  termp__a_pre(DECL_ARGS);
 static	int	  termp__t_pre(DECL_ARGS);
@@ -91,11 +91,11 @@ static	int	  termp_bf_pre(DECL_ARGS);
 static	int	  termp_bk_pre(DECL_ARGS);
 static	int	  termp_bl_pre(DECL_ARGS);
 static	int	  termp_bold_pre(DECL_ARGS);
-static	int	  termp_bt_pre(DECL_ARGS);
-static	int	  termp_bx_pre(DECL_ARGS);
 static	int	  termp_cd_pre(DECL_ARGS);
 static	int	  termp_d1_pre(DECL_ARGS);
-static	int	  termp_es_pre(DECL_ARGS);
+static	int	  termp_eo_pre(DECL_ARGS);
+static	int	  termp_em_pre(DECL_ARGS);
+static	int	  termp_er_pre(DECL_ARGS);
 static	int	  termp_ex_pre(DECL_ARGS);
 static	int	  termp_fa_pre(DECL_ARGS);
 static	int	  termp_fd_pre(DECL_ARGS);
@@ -113,13 +113,14 @@ static	int	  termp_nm_pre(DECL_ARGS);
 static	int	  termp_ns_pre(DECL_ARGS);
 static	int	  termp_quote_pre(DECL_ARGS);
 static	int	  termp_rs_pre(DECL_ARGS);
-static	int	  termp_rv_pre(DECL_ARGS);
 static	int	  termp_sh_pre(DECL_ARGS);
+static	int	  termp_skip_pre(DECL_ARGS);
 static	int	  termp_sm_pre(DECL_ARGS);
 static	int	  termp_sp_pre(DECL_ARGS);
 static	int	  termp_ss_pre(DECL_ARGS);
+static	int	  termp_sy_pre(DECL_ARGS);
+static	int	  termp_tag_pre(DECL_ARGS);
 static	int	  termp_under_pre(DECL_ARGS);
-static	int	  termp_ud_pre(DECL_ARGS);
 static	int	  termp_vt_pre(DECL_ARGS);
 static	int	  termp_xr_pre(DECL_ARGS);
 static	int	  termp_xx_pre(DECL_ARGS);
@@ -140,13 +141,13 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ NULL, NULL }, /* El */
 	{ termp_it_pre, termp_it_post }, /* It */
 	{ termp_under_pre, NULL }, /* Ad */
-	{ termp_an_pre, termp_an_post }, /* An */
+	{ termp_an_pre, NULL }, /* An */
 	{ termp_under_pre, NULL }, /* Ar */
 	{ termp_cd_pre, NULL }, /* Cd */
 	{ termp_bold_pre, NULL }, /* Cm */
-	{ NULL, NULL }, /* Dv */
-	{ NULL, NULL }, /* Er */
-	{ NULL, NULL }, /* Ev */
+	{ termp_li_pre, NULL }, /* Dv */
+	{ termp_er_pre, NULL }, /* Er */
+	{ termp_tag_pre, NULL }, /* Ev */
 	{ termp_ex_pre, NULL }, /* Ex */
 	{ termp_fa_pre, NULL }, /* Fa */
 	{ termp_fd_pre, termp_fd_post }, /* Fd */
@@ -161,7 +162,7 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_quote_pre, termp_quote_post }, /* Op */
 	{ termp_ft_pre, NULL }, /* Ot */
 	{ termp_under_pre, NULL }, /* Pa */
-	{ termp_rv_pre, NULL }, /* Rv */
+	{ termp_ex_pre, NULL }, /* Rv */
 	{ NULL, NULL }, /* St */
 	{ termp_under_pre, NULL }, /* Va */
 	{ termp_vt_pre, NULL }, /* Vt */
@@ -185,22 +186,22 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_bf_pre, NULL }, /* Bf */
 	{ termp_quote_pre, termp_quote_post }, /* Bo */
 	{ termp_quote_pre, termp_quote_post }, /* Bq */
-	{ termp_xx_pre, NULL }, /* Bsx */
-	{ termp_bx_pre, NULL }, /* Bx */
-	{ NULL, NULL }, /* Db */
+	{ termp_xx_pre, termp_xx_post }, /* Bsx */
+	{ NULL, NULL }, /* Bx */
+	{ termp_skip_pre, NULL }, /* Db */
 	{ NULL, NULL }, /* Dc */
 	{ termp_quote_pre, termp_quote_post }, /* Do */
 	{ termp_quote_pre, termp_quote_post }, /* Dq */
 	{ NULL, NULL }, /* Ec */ /* FIXME: no space */
 	{ NULL, NULL }, /* Ef */
-	{ termp_under_pre, NULL }, /* Em */
-	{ termp_quote_pre, termp_quote_post }, /* Eo */
-	{ termp_xx_pre, NULL }, /* Fx */
+	{ termp_em_pre, NULL }, /* Em */
+	{ termp_eo_pre, termp_eo_post }, /* Eo */
+	{ termp_xx_pre, termp_xx_post }, /* Fx */
 	{ termp_bold_pre, NULL }, /* Ms */
-	{ NULL, NULL }, /* No */
+	{ termp_li_pre, NULL }, /* No */
 	{ termp_ns_pre, NULL }, /* Ns */
-	{ termp_xx_pre, NULL }, /* Nx */
-	{ termp_xx_pre, NULL }, /* Ox */
+	{ termp_xx_pre, termp_xx_post }, /* Nx */
+	{ termp_xx_pre, termp_xx_post }, /* Ox */
 	{ NULL, NULL }, /* Pc */
 	{ NULL, termp_pf_post }, /* Pf */
 	{ termp_quote_pre, termp_quote_post }, /* Po */
@@ -216,9 +217,9 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_quote_pre, termp_quote_post }, /* Sq */
 	{ termp_sm_pre, NULL }, /* Sm */
 	{ termp_under_pre, NULL }, /* Sx */
-	{ termp_bold_pre, NULL }, /* Sy */
+	{ termp_sy_pre, NULL }, /* Sy */
 	{ NULL, NULL }, /* Tn */
-	{ termp_xx_pre, NULL }, /* Ux */
+	{ termp_xx_pre, termp_xx_post }, /* Ux */
 	{ NULL, NULL }, /* Xc */
 	{ NULL, NULL }, /* Xo */
 	{ termp_fo_pre, termp_fo_post }, /* Fo */
@@ -227,10 +228,10 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ NULL, NULL }, /* Oc */
 	{ termp_bk_pre, termp_bk_post }, /* Bk */
 	{ NULL, NULL }, /* Ek */
-	{ termp_bt_pre, NULL }, /* Bt */
+	{ NULL, NULL }, /* Bt */
 	{ NULL, NULL }, /* Hf */
 	{ termp_under_pre, NULL }, /* Fr */
-	{ termp_ud_pre, NULL }, /* Ud */
+	{ NULL, NULL }, /* Ud */
 	{ NULL, termp_lb_post }, /* Lb */
 	{ termp_sp_pre, NULL }, /* Lp */
 	{ termp_lk_pre, NULL }, /* Lk */
@@ -239,9 +240,9 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_quote_pre, termp_quote_post }, /* Bro */
 	{ NULL, NULL }, /* Brc */
 	{ NULL, termp____post }, /* %C */
-	{ termp_es_pre, NULL }, /* Es */
+	{ termp_skip_pre, NULL }, /* Es */
 	{ termp_quote_pre, termp_quote_post }, /* En */
-	{ termp_xx_pre, NULL }, /* Dx */
+	{ termp_xx_pre, termp_xx_post }, /* Dx */
 	{ NULL, termp____post }, /* %Q */
 	{ termp_sp_pre, NULL }, /* br */
 	{ termp_sp_pre, NULL }, /* sp */
@@ -250,44 +251,59 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_ll_pre, NULL }, /* ll */
 };
 
+static	int	 fn_prio;
 
 void
-terminal_mdoc(void *arg, const struct mdoc *mdoc)
+terminal_mdoc(void *arg, const struct roff_man *mdoc)
 {
-	const struct mdoc_node	*n;
-	const struct mdoc_meta	*meta;
+	struct roff_node	*n;
 	struct termp		*p;
+	size_t			 save_defindent;
 
 	p = (struct termp *)arg;
-
-	if (0 == p->defindent)
-		p->defindent = 5;
-
 	p->overstep = 0;
-	p->maxrmargin = p->defrmargin;
+	p->rmargin = p->maxrmargin = p->defrmargin;
 	p->tabwidth = term_len(p, 5);
 
-	if (NULL == p->symtab)
-		p->symtab = mchars_alloc();
-
-	n = mdoc_node(mdoc);
-	meta = mdoc_meta(mdoc);
-
-	term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
-
-	if (n->child)
-		print_mdoc_nodelist(p, NULL, meta, n->child);
-
-	term_end(p);
+	n = mdoc->first->child;
+	if (p->synopsisonly) {
+		while (n != NULL) {
+			if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
+				if (n->child->next->child != NULL)
+					print_mdoc_nodelist(p, NULL,
+					    &mdoc->meta,
+					    n->child->next->child);
+				term_newln(p);
+				break;
+			}
+			n = n->next;
+		}
+	} else {
+		save_defindent = p->defindent;
+		if (p->defindent == 0)
+			p->defindent = 5;
+		term_begin(p, print_mdoc_head, print_mdoc_foot,
+		    &mdoc->meta);
+		while (n != NULL && n->flags & NODE_NOPRT)
+			n = n->next;
+		if (n != NULL) {
+			if (n->tok != MDOC_Sh)
+				term_vspace(p);
+			print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
+		}
+		term_end(p);
+		p->defindent = save_defindent;
+	}
 }
 
 static void
 print_mdoc_nodelist(DECL_ARGS)
 {
 
-	print_mdoc_node(p, pair, meta, n);
-	if (n->next)
-		print_mdoc_nodelist(p, pair, meta, n->next);
+	while (n != NULL) {
+		print_mdoc_node(p, pair, meta, n);
+		n = n->next;
+	}
 }
 
 static void
@@ -297,10 +313,14 @@ print_mdoc_node(DECL_ARGS)
 	struct termpair	 npair;
 	size_t		 offset, rmargin;
 
+	if (n->flags & NODE_NOPRT)
+		return;
+
 	chld = 1;
 	offset = p->offset;
 	rmargin = p->rmargin;
-	n->prev_font = term_fontq(p);
+	n->flags &= ~NODE_ENDED;
+	n->prev_font = p->fonti;
 
 	memset(&npair, 0, sizeof(struct termpair));
 	npair.ppair = pair;
@@ -310,12 +330,9 @@ print_mdoc_node(DECL_ARGS)
 	 * invoked in a prior line, revert it to PREKEEP.
 	 */
 
-	if (TERMP_KEEP & p->flags) {
-		if (n->prev ? (n->prev->lastline != n->line) :
-		    (n->parent && n->parent->line != n->line)) {
-			p->flags &= ~TERMP_KEEP;
-			p->flags |= TERMP_PREKEEP;
-		}
+	if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
+		p->flags &= ~TERMP_KEEP;
+		p->flags |= TERMP_PREKEEP;
 	}
 
 	/*
@@ -324,23 +341,30 @@ print_mdoc_node(DECL_ARGS)
 	 */
 
 	switch (n->type) {
-	case MDOC_TEXT:
-		if (' ' == *n->string && MDOC_LINE & n->flags)
+	case ROFFT_TEXT:
+		if (' ' == *n->string && NODE_LINE & n->flags)
 			term_newln(p);
-		if (MDOC_DELIMC & n->flags)
+		if (NODE_DELIMC & n->flags)
 			p->flags |= TERMP_NOSPACE;
 		term_word(p, n->string);
-		if (MDOC_DELIMO & n->flags)
+		if (NODE_DELIMO & n->flags)
 			p->flags |= TERMP_NOSPACE;
 		break;
-	case MDOC_EQN:
+	case ROFFT_EQN:
+		if ( ! (n->flags & NODE_LINE))
+			p->flags |= TERMP_NOSPACE;
 		term_eqn(p, n->eqn);
+		if (n->next != NULL && ! (n->next->flags & NODE_LINE))
+			p->flags |= TERMP_NOSPACE;
 		break;
-	case MDOC_TBL:
+	case ROFFT_TBL:
+		if (p->tbl.cols == NULL)
+			term_newln(p);
 		term_tbl(p, n->span);
 		break;
 	default:
-		if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
+		if (termacts[n->tok].pre &&
+		    (n->end == ENDBODY_NOT || n->child != NULL))
 			chld = (*termacts[n->tok].pre)
 				(p, &npair, meta, n);
 		break;
@@ -350,17 +374,17 @@ print_mdoc_node(DECL_ARGS)
 		print_mdoc_nodelist(p, &npair, meta, n->child);
 
 	term_fontpopq(p,
-	    (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
+	    (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
 
 	switch (n->type) {
-	case MDOC_TEXT:
+	case ROFFT_TEXT:
 		break;
-	case MDOC_TBL:
+	case ROFFT_TBL:
 		break;
-	case MDOC_EQN:
+	case ROFFT_EQN:
 		break;
 	default:
-		if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
+		if ( ! termacts[n->tok].post || NODE_ENDED & n->flags)
 			break;
 		(void)(*termacts[n->tok].post)(p, &npair, meta, n);
 
@@ -370,7 +394,7 @@ print_mdoc_node(DECL_ARGS)
 		 * that it must not call the post handler again.
 		 */
 		if (ENDBODY_NOT != n->end)
-			n->pending->flags |= MDOC_ENDED;
+			n->body->flags |= NODE_ENDED;
 
 		/*
 		 * End of line terminating an implicit block
@@ -382,7 +406,7 @@ print_mdoc_node(DECL_ARGS)
 		break;
 	}
 
-	if (MDOC_EOS & n->flags)
+	if (NODE_EOS & n->flags)
 		p->flags |= TERMP_SENTENCE;
 
 	if (MDOC_ll != n->tok) {
@@ -392,11 +416,9 @@ print_mdoc_node(DECL_ARGS)
 }
 
 static void
-print_mdoc_foot(struct termp *p, const void *arg)
+print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
 {
-	const struct mdoc_meta *meta;
-
-	meta = (const struct mdoc_meta *)arg;
+	size_t sz;
 
 	term_fontrepl(p, TERMFONT_NONE);
 
@@ -411,8 +433,9 @@ print_mdoc_foot(struct termp *p, const void *arg)
 	term_vspace(p);
 
 	p->offset = 0;
-	p->rmargin = (p->maxrmargin -
-	    term_strlen(p, meta->date) + term_len(p, 1)) / 2;
+	sz = term_strlen(p, meta->date);
+	p->rmargin = p->maxrmargin > sz ?
+	    (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
 	p->trailspace = 1;
 	p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
 
@@ -420,7 +443,8 @@ print_mdoc_foot(struct termp *p, const void *arg)
 	term_flushln(p);
 
 	p->offset = p->rmargin;
-	p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
+	sz = term_strlen(p, meta->os);
+	p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
 	p->flags |= TERMP_NOSPACE;
 
 	term_word(p, meta->date);
@@ -441,14 +465,11 @@ print_mdoc_foot(struct termp *p, const void *arg)
 }
 
 static void
-print_mdoc_head(struct termp *p, const void *arg)
+print_mdoc_head(struct termp *p, const struct roff_meta *meta)
 {
-	const struct mdoc_meta	*meta;
 	char			*volume, *title;
 	size_t			 vollen, titlen;
 
-	meta = (const struct mdoc_meta *)arg;
-
 	/*
 	 * The header is strange.  It has three components, which are
 	 * really two with the first duplicated.  It goes like this:
@@ -462,9 +483,6 @@ print_mdoc_head(struct termp *p, const void *arg)
 	 * switches on the manual section.
 	 */
 
-	p->offset = 0;
-	p->rmargin = p->maxrmargin;
-
 	assert(meta->vol);
 	if (NULL == meta->arch)
 		volume = mandoc_strdup(meta->vol);
@@ -473,7 +491,11 @@ print_mdoc_head(struct termp *p, const void *arg)
 		    meta->vol, meta->arch);
 	vollen = term_strlen(p, volume);
 
-	mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
+	if (NULL == meta->msec)
+		title = mandoc_strdup(meta->title);
+	else
+		mandoc_asprintf(&title, "%s(%s)",
+		    meta->title, meta->msec);
 	titlen = term_strlen(p, title);
 
 	p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
@@ -481,7 +503,7 @@ print_mdoc_head(struct termp *p, const void *arg)
 	p->offset = 0;
 	p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
 	    (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
-	    p->maxrmargin - vollen;
+	    vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
 
 	term_word(p, title);
 	term_flushln(p);
@@ -511,48 +533,16 @@ print_mdoc_head(struct termp *p, const void *arg)
 	free(volume);
 }
 
-static size_t
-a2height(const struct termp *p, const char *v)
-{
-	struct roffsu	 su;
-
-
-	assert(v);
-	if ( ! a2roffsu(v, &su, SCALE_VS))
-		SCALE_VS_INIT(&su, atoi(v));
-
-	return(term_vspan(p, &su));
-}
-
-static size_t
+static int
 a2width(const struct termp *p, const char *v)
 {
 	struct roffsu	 su;
 
-	assert(v);
-	if ( ! a2roffsu(v, &su, SCALE_MAX))
-		SCALE_HS_INIT(&su, term_strlen(p, v));
-
-	return(term_hspan(p, &su));
-}
-
-static size_t
-a2offs(const struct termp *p, const char *v)
-{
-	struct roffsu	 su;
-
-	if ('\0' == *v)
-		return(0);
-	else if (0 == strcmp(v, "left"))
-		return(0);
-	else if (0 == strcmp(v, "indent"))
-		return(term_len(p, p->defindent + 1));
-	else if (0 == strcmp(v, "indent-two"))
-		return(term_len(p, (p->defindent + 1) * 2));
-	else if ( ! a2roffsu(v, &su, SCALE_MAX))
+	if (a2roffsu(v, &su, SCALE_MAX) < 2) {
 		SCALE_HS_INIT(&su, term_strlen(p, v));
-
-	return(term_hspan(p, &su));
+		su.scale /= term_strlen(p, "0");
+	}
+	return term_hspan(p, &su) / 24;
 }
 
 /*
@@ -562,10 +552,10 @@ a2offs(const struct termp *p, const char *v)
  */
 static void
 print_bvspace(struct termp *p,
-	const struct mdoc_node *bl,
-	const struct mdoc_node *n)
+	const struct roff_node *bl,
+	const struct roff_node *n)
 {
-	const struct mdoc_node	*nn;
+	const struct roff_node	*nn;
 
 	assert(n);
 
@@ -578,16 +568,20 @@ print_bvspace(struct termp *p,
 
 	/* Do not vspace directly after Ss/Sh. */
 
-	for (nn = n; nn; nn = nn->parent) {
-		if (MDOC_BLOCK != nn->type)
-			continue;
-		if (MDOC_Ss == nn->tok)
-			return;
-		if (MDOC_Sh == nn->tok)
+	nn = n;
+	while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
+		nn = nn->prev;
+	while (nn->prev == NULL) {
+		do {
+			nn = nn->parent;
+			if (nn->type == ROFFT_ROOT)
+				return;
+		} while (nn->type != ROFFT_BLOCK);
+		if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
 			return;
-		if (NULL == nn->prev)
-			continue;
-		break;
+		if (nn->tok == MDOC_It &&
+		    nn->parent->parent->norm->Bl.type != LIST_item)
+			break;
 	}
 
 	/* A `-column' does not assert vspace within the list. */
@@ -613,41 +607,68 @@ static int
 termp_ll_pre(DECL_ARGS)
 {
 
-	term_setwidth(p, n->nchild ? n->child->string : NULL);
-	return(0);
+	term_setwidth(p, n->child != NULL ? n->child->string : NULL);
+	return 0;
 }
 
 static int
 termp_it_pre(DECL_ARGS)
 {
-	const struct mdoc_node *bl, *nn;
 	char			buf[24];
-	int			i;
-	size_t			width, offset, ncols, dcol;
+	const struct roff_node *bl, *nn;
+	size_t			ncols, dcol;
+	int			i, offset, width;
 	enum mdoc_list		type;
 
-	if (MDOC_BLOCK == n->type) {
+	if (n->type == ROFFT_BLOCK) {
 		print_bvspace(p, n->parent->parent, n);
-		return(1);
+		return 1;
 	}
 
 	bl = n->parent->parent->parent;
 	type = bl->norm->Bl.type;
 
+	/*
+	 * Defaults for specific list types.
+	 */
+
+	switch (type) {
+	case LIST_bullet:
+	case LIST_dash:
+	case LIST_hyphen:
+	case LIST_enum:
+		width = term_len(p, 2);
+		break;
+	case LIST_hang:
+	case LIST_tag:
+		width = term_len(p, 8);
+		break;
+	case LIST_column:
+		width = term_len(p, 10);
+		break;
+	default:
+		width = 0;
+		break;
+	}
+	offset = 0;
+
 	/*
 	 * First calculate width and offset.  This is pretty easy unless
 	 * we're a -column list, in which case all prior columns must
 	 * be accounted for.
 	 */
 
-	width = offset = 0;
-
-	if (bl->norm->Bl.offs)
-		offset = a2offs(p, bl->norm->Bl.offs);
+	if (bl->norm->Bl.offs != NULL) {
+		offset = a2width(p, bl->norm->Bl.offs);
+		if (offset < 0 && (size_t)(-offset) > p->offset)
+			offset = -p->offset;
+		else if (offset > SHRT_MAX)
+			offset = 0;
+	}
 
 	switch (type) {
 	case LIST_column:
-		if (MDOC_HEAD == n->type)
+		if (n->type == ROFFT_HEAD)
 			break;
 
 		/*
@@ -664,8 +685,8 @@ termp_it_pre(DECL_ARGS)
 		    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
 
 		/*
-		 * Calculate the offset by applying all prior MDOC_BODY,
-		 * so we stop at the MDOC_HEAD (NULL == nn->prev).
+		 * Calculate the offset by applying all prior ROFFT_BODY,
+		 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
 		 */
 
 		for (i = 0, nn = n->prev;
@@ -698,39 +719,11 @@ termp_it_pre(DECL_ARGS)
 		 * number for buffering single arguments.  See the above
 		 * handling for column for how this changes.
 		 */
-		assert(bl->norm->Bl.width);
 		width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
-		break;
-	}
-
-	/*
-	 * List-type can override the width in the case of fixed-head
-	 * values (bullet, dash/hyphen, enum).  Tags need a non-zero
-	 * offset.
-	 */
-
-	switch (type) {
-	case LIST_bullet:
-		/* FALLTHROUGH */
-	case LIST_dash:
-		/* FALLTHROUGH */
-	case LIST_hyphen:
-		/* FALLTHROUGH */
-	case LIST_enum:
-		if (width < term_len(p, 2))
-			width = term_len(p, 2);
-		break;
-	case LIST_hang:
-		if (0 == width)
-			width = term_len(p, 8);
-		break;
-	case LIST_column:
-		/* FALLTHROUGH */
-	case LIST_tag:
-		if (0 == width)
-			width = term_len(p, 10);
-		break;
-	default:
+		if (width < 0 && (size_t)(-width) > p->offset)
+			width = -p->offset;
+		else if (width > SHRT_MAX)
+			width = 0;
 		break;
 	}
 
@@ -743,11 +736,11 @@ termp_it_pre(DECL_ARGS)
 
 	switch (type) {
 	case LIST_diag:
-		if (MDOC_BODY == n->type)
+		if (n->type == ROFFT_BODY)
 			term_word(p, "\\ \\ ");
 		break;
 	case LIST_inset:
-		if (MDOC_BODY == n->type)
+		if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
 			term_word(p, "\\ ");
 		break;
 	default:
@@ -758,7 +751,7 @@ termp_it_pre(DECL_ARGS)
 
 	switch (type) {
 	case LIST_diag:
-		if (MDOC_HEAD == n->type)
+		if (n->type == ROFFT_HEAD)
 			term_fontpush(p, TERMFONT_BOLD);
 		break;
 	default:
@@ -774,25 +767,22 @@ termp_it_pre(DECL_ARGS)
 
 	switch (type) {
 	case LIST_enum:
+	case LIST_bullet:
+	case LIST_dash:
+	case LIST_hyphen:
 		/*
 		 * Weird special case.
-		 * Very narrow enum lists actually hang.
+		 * Some very narrow lists actually hang.
 		 */
-		if (width == term_len(p, 2))
+		if (width <= (int)term_len(p, 2))
 			p->flags |= TERMP_HANG;
-		/* FALLTHROUGH */
-	case LIST_bullet:
-		/* FALLTHROUGH */
-	case LIST_dash:
-		/* FALLTHROUGH */
-	case LIST_hyphen:
-		if (MDOC_HEAD != n->type)
+		if (n->type != ROFFT_HEAD)
 			break;
 		p->flags |= TERMP_NOBREAK;
 		p->trailspace = 1;
 		break;
 	case LIST_hang:
-		if (MDOC_HEAD != n->type)
+		if (n->type != ROFFT_HEAD)
 			break;
 
 		/*
@@ -801,7 +791,8 @@ termp_it_pre(DECL_ARGS)
 		 * the "overstep" effect in term_flushln() and treat
 		 * this as a `-ohang' list instead.
 		 */
-		if (n->next->child &&
+		if (NULL != n->next &&
+		    NULL != n->next->child &&
 		    (MDOC_Bl == n->next->child->tok ||
 		     MDOC_Bd == n->next->child->tok))
 			break;
@@ -810,17 +801,17 @@ termp_it_pre(DECL_ARGS)
 		p->trailspace = 1;
 		break;
 	case LIST_tag:
-		if (MDOC_HEAD != n->type)
+		if (n->type != ROFFT_HEAD)
 			break;
 
-		p->flags |= TERMP_NOBREAK | TERMP_BRIND;
+		p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
 		p->trailspace = 2;
 
 		if (NULL == n->next || NULL == n->next->child)
 			p->flags |= TERMP_DANGLE;
 		break;
 	case LIST_column:
-		if (MDOC_HEAD == n->type)
+		if (n->type == ROFFT_HEAD)
 			break;
 
 		if (NULL == n->next) {
@@ -833,7 +824,7 @@ termp_it_pre(DECL_ARGS)
 
 		break;
 	case LIST_diag:
-		if (MDOC_HEAD != n->type)
+		if (n->type != ROFFT_HEAD)
 			break;
 		p->flags |= TERMP_NOBREAK | TERMP_BRIND;
 		p->trailspace = 1;
@@ -857,28 +848,22 @@ termp_it_pre(DECL_ARGS)
 		 * don't want to recalculate rmargin and offsets when
 		 * using `Bd' or `Bl' within `-hang' overstep lists.
 		 */
-		if (MDOC_HEAD == n->type && n->next->child &&
+		if (n->type == ROFFT_HEAD &&
+		    NULL != n->next &&
+		    NULL != n->next->child &&
 		    (MDOC_Bl == n->next->child->tok ||
 		     MDOC_Bd == n->next->child->tok))
 			break;
 		/* FALLTHROUGH */
 	case LIST_bullet:
-		/* FALLTHROUGH */
 	case LIST_dash:
-		/* FALLTHROUGH */
 	case LIST_enum:
-		/* FALLTHROUGH */
 	case LIST_hyphen:
-		/* FALLTHROUGH */
 	case LIST_tag:
-		assert(width);
-		if (MDOC_HEAD == n->type)
+		if (n->type == ROFFT_HEAD)
 			p->rmargin = p->offset + width;
-		else {
+		else
 			p->offset += width;
-			if (p->rmargin < p->offset)
-				p->rmargin = p->offset;
-		}
 		break;
 	case LIST_column:
 		assert(width);
@@ -887,7 +872,7 @@ termp_it_pre(DECL_ARGS)
 		 * XXX - this behaviour is not documented: the
 		 * right-most column is filled to the right margin.
 		 */
-		if (MDOC_HEAD == n->type)
+		if (n->type == ROFFT_HEAD)
 			break;
 		if (NULL == n->next && p->rmargin < p->maxrmargin)
 			p->rmargin = p->maxrmargin;
@@ -901,7 +886,7 @@ termp_it_pre(DECL_ARGS)
 	 * HEAD character (temporarily bold, in some cases).
 	 */
 
-	if (MDOC_HEAD == n->type)
+	if (n->type == ROFFT_HEAD)
 		switch (type) {
 		case LIST_bullet:
 			term_fontpush(p, TERMFONT_BOLD);
@@ -909,10 +894,9 @@ termp_it_pre(DECL_ARGS)
 			term_fontpop(p);
 			break;
 		case LIST_dash:
-			/* FALLTHROUGH */
 		case LIST_hyphen:
 			term_fontpush(p, TERMFONT_BOLD);
-			term_word(p, "\\(hy");
+			term_word(p, "-");
 			term_fontpop(p);
 			break;
 		case LIST_enum:
@@ -931,26 +915,22 @@ termp_it_pre(DECL_ARGS)
 
 	switch (type) {
 	case LIST_bullet:
-		/* FALLTHROUGH */
 	case LIST_item:
-		/* FALLTHROUGH */
 	case LIST_dash:
-		/* FALLTHROUGH */
 	case LIST_hyphen:
-		/* FALLTHROUGH */
 	case LIST_enum:
-		if (MDOC_HEAD == n->type)
-			return(0);
+		if (n->type == ROFFT_HEAD)
+			return 0;
 		break;
 	case LIST_column:
-		if (MDOC_HEAD == n->type)
-			return(0);
+		if (n->type == ROFFT_HEAD)
+			return 0;
 		break;
 	default:
 		break;
 	}
 
-	return(1);
+	return 1;
 }
 
 static void
@@ -958,22 +938,20 @@ termp_it_post(DECL_ARGS)
 {
 	enum mdoc_list	   type;
 
-	if (MDOC_BLOCK == n->type)
+	if (n->type == ROFFT_BLOCK)
 		return;
 
 	type = n->parent->parent->parent->norm->Bl.type;
 
 	switch (type) {
 	case LIST_item:
-		/* FALLTHROUGH */
 	case LIST_diag:
-		/* FALLTHROUGH */
 	case LIST_inset:
-		if (MDOC_BODY == n->type)
+		if (n->type == ROFFT_BODY)
 			term_newln(p);
 		break;
 	case LIST_column:
-		if (MDOC_BODY == n->type)
+		if (n->type == ROFFT_BODY)
 			term_flushln(p);
 		break;
 	default:
@@ -987,7 +965,7 @@ termp_it_post(DECL_ARGS)
 	 * has munged them in the meanwhile.
 	 */
 
-	p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
+	p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
 			TERMP_DANGLE | TERMP_HANG);
 	p->trailspace = 0;
 }
@@ -995,40 +973,43 @@ termp_it_post(DECL_ARGS)
 static int
 termp_nm_pre(DECL_ARGS)
 {
+	const char	*cp;
 
-	if (MDOC_BLOCK == n->type) {
+	if (n->type == ROFFT_BLOCK) {
 		p->flags |= TERMP_PREKEEP;
-		return(1);
+		return 1;
 	}
 
-	if (MDOC_BODY == n->type) {
+	if (n->type == ROFFT_BODY) {
 		if (NULL == n->child)
-			return(0);
+			return 0;
 		p->flags |= TERMP_NOSPACE;
-		p->offset += term_len(p, 1) +
-		    (NULL == n->prev->child ?
-		     term_strlen(p, meta->name) :
-		     MDOC_TEXT == n->prev->child->type ?
-		     term_strlen(p, n->prev->child->string) :
-		     term_len(p, 5));
-		if (p->rmargin < p->offset)
-			p->rmargin = p->offset;
-		return(1);
+		cp = NULL;
+		if (n->prev->child != NULL)
+		    cp = n->prev->child->string;
+		if (cp == NULL)
+			cp = meta->name;
+		if (cp == NULL)
+			p->offset += term_len(p, 6);
+		else
+			p->offset += term_len(p, 1) + term_strlen(p, cp);
+		return 1;
 	}
 
-	if (NULL == n->child && NULL == meta->name)
-		return(0);
+	if (n->child == NULL)
+		return 0;
 
-	if (MDOC_HEAD == n->type)
+	if (n->type == ROFFT_HEAD)
 		synopsis_pre(p, n->parent);
 
-	if (MDOC_HEAD == n->type && n->next->child) {
+	if (n->type == ROFFT_HEAD &&
+	    NULL != n->next && NULL != n->next->child) {
 		p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
 		p->trailspace = 1;
 		p->rmargin = p->offset + term_len(p, 1);
 		if (NULL == n->child) {
 			p->rmargin += term_strlen(p, meta->name);
-		} else if (MDOC_TEXT == n->child->type) {
+		} else if (n->child->type == ROFFT_TEXT) {
 			p->rmargin += term_strlen(p, n->child->string);
 			if (n->child->next)
 				p->flags |= TERMP_HANG;
@@ -1039,22 +1020,21 @@ termp_nm_pre(DECL_ARGS)
 	}
 
 	term_fontpush(p, TERMFONT_BOLD);
-	if (NULL == n->child)
-		term_word(p, meta->name);
-	return(1);
+	return 1;
 }
 
 static void
 termp_nm_post(DECL_ARGS)
 {
 
-	if (MDOC_BLOCK == n->type) {
+	if (n->type == ROFFT_BLOCK) {
 		p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
-	} else if (MDOC_HEAD == n->type && n->next->child) {
+	} else if (n->type == ROFFT_HEAD &&
+	    NULL != n->next && NULL != n->next->child) {
 		term_flushln(p);
 		p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
 		p->trailspace = 0;
-	} else if (MDOC_BODY == n->type && n->child)
+	} else if (n->type == ROFFT_BODY && n->child != NULL)
 		term_flushln(p);
 }
 
@@ -1062,15 +1042,17 @@ static int
 termp_fl_pre(DECL_ARGS)
 {
 
+	termp_tag_pre(p, pair, meta, n);
 	term_fontpush(p, TERMFONT_BOLD);
 	term_word(p, "\\-");
 
-	if (n->child)
-		p->flags |= TERMP_NOSPACE;
-	else if (n->next && n->next->line == n->line)
+	if (!(n->child == NULL &&
+	    (n->next == NULL ||
+	     n->next->type == ROFFT_TEXT ||
+	     n->next->flags & NODE_LINE)))
 		p->flags |= TERMP_NOSPACE;
 
-	return(1);
+	return 1;
 }
 
 static int
@@ -1081,70 +1063,40 @@ termp__a_pre(DECL_ARGS)
 		if (NULL == n->next || MDOC__A != n->next->tok)
 			term_word(p, "and");
 
-	return(1);
+	return 1;
 }
 
 static int
 termp_an_pre(DECL_ARGS)
 {
 
-	if (NULL == n->child)
-		return(1);
-
-	/*
-	 * If not in the AUTHORS section, `An -split' will cause
-	 * newlines to occur before the author name.  If in the AUTHORS
-	 * section, by default, the first `An' invocation is nosplit,
-	 * then all subsequent ones, regardless of whether interspersed
-	 * with other macros/text, are split.  -split, in this case,
-	 * will override the condition of the implied first -nosplit.
-	 */
-
-	if (n->sec == SEC_AUTHORS) {
-		if ( ! (TERMP_ANPREC & p->flags)) {
-			if (TERMP_SPLIT & p->flags)
-				term_newln(p);
-			return(1);
-		}
-		if (TERMP_NOSPLIT & p->flags)
-			return(1);
-		term_newln(p);
-		return(1);
-	}
-
-	if (TERMP_SPLIT & p->flags)
-		term_newln(p);
-
-	return(1);
-}
-
-static void
-termp_an_post(DECL_ARGS)
-{
-
-	if (n->child) {
-		if (SEC_AUTHORS == n->sec)
-			p->flags |= TERMP_ANPREC;
-		return;
-	}
-
-	if (AUTH_split == n->norm->An.auth) {
+	if (n->norm->An.auth == AUTH_split) {
 		p->flags &= ~TERMP_NOSPLIT;
 		p->flags |= TERMP_SPLIT;
-	} else if (AUTH_nosplit == n->norm->An.auth) {
+		return 0;
+	}
+	if (n->norm->An.auth == AUTH_nosplit) {
 		p->flags &= ~TERMP_SPLIT;
 		p->flags |= TERMP_NOSPLIT;
+		return 0;
 	}
 
+	if (p->flags & TERMP_SPLIT)
+		term_newln(p);
+
+	if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
+		p->flags |= TERMP_SPLIT;
+
+	return 1;
 }
 
 static int
 termp_ns_pre(DECL_ARGS)
 {
 
-	if ( ! (MDOC_LINE & n->flags))
+	if ( ! (NODE_LINE & n->flags))
 		p->flags |= TERMP_NOSPACE;
-	return(1);
+	return 1;
 }
 
 static int
@@ -1152,117 +1104,40 @@ termp_rs_pre(DECL_ARGS)
 {
 
 	if (SEC_SEE_ALSO != n->sec)
-		return(1);
-	if (MDOC_BLOCK == n->type && n->prev)
+		return 1;
+	if (n->type == ROFFT_BLOCK && n->prev != NULL)
 		term_vspace(p);
-	return(1);
-}
-
-static int
-termp_rv_pre(DECL_ARGS)
-{
-	int		 nchild;
-
-	term_newln(p);
-	term_word(p, "The");
-
-	nchild = n->nchild;
-	for (n = n->child; n; n = n->next) {
-		term_fontpush(p, TERMFONT_BOLD);
-		term_word(p, n->string);
-		term_fontpop(p);
-
-		p->flags |= TERMP_NOSPACE;
-		term_word(p, "()");
-
-		if (nchild > 2 && n->next) {
-			p->flags |= TERMP_NOSPACE;
-			term_word(p, ",");
-		}
-
-		if (n->next && NULL == n->next->next)
-			term_word(p, "and");
-	}
-
-	if (nchild > 1)
-		term_word(p, "functions return");
-	else
-		term_word(p, "function returns");
-
-	term_word(p, "the value 0 if successful; otherwise the "
-	    "value -1 is returned and the global variable");
-
-	term_fontpush(p, TERMFONT_UNDER);
-	term_word(p, "errno");
-	term_fontpop(p);
-
-	term_word(p, "is set to indicate the error.");
-	p->flags |= TERMP_SENTENCE;
-
-	return(0);
+	return 1;
 }
 
 static int
 termp_ex_pre(DECL_ARGS)
 {
-	int		 nchild;
-
 	term_newln(p);
-	term_word(p, "The");
-
-	nchild = n->nchild;
-	for (n = n->child; n; n = n->next) {
-		term_fontpush(p, TERMFONT_BOLD);
-		term_word(p, n->string);
-		term_fontpop(p);
-
-		if (nchild > 2 && n->next) {
-			p->flags |= TERMP_NOSPACE;
-			term_word(p, ",");
-		}
-
-		if (n->next && NULL == n->next->next)
-			term_word(p, "and");
-	}
-
-	if (nchild > 1)
-		term_word(p, "utilities exit");
-	else
-		term_word(p, "utility exits");
-
-	term_word(p, "0 on success, and >0 if an error occurs.");
-
-	p->flags |= TERMP_SENTENCE;
-	return(0);
+	return 1;
 }
 
 static int
 termp_nd_pre(DECL_ARGS)
 {
 
-	if (MDOC_BODY != n->type)
-		return(1);
-
-#if defined(__OpenBSD__) || defined(__linux__)
-	term_word(p, "\\(en");
-#else
-	term_word(p, "\\(em");
-#endif
-	return(1);
+	if (n->type == ROFFT_BODY)
+		term_word(p, "\\(en");
+	return 1;
 }
 
 static int
 termp_bl_pre(DECL_ARGS)
 {
 
-	return(MDOC_HEAD != n->type);
+	return n->type != ROFFT_HEAD;
 }
 
 static void
 termp_bl_post(DECL_ARGS)
 {
 
-	if (MDOC_BLOCK == n->type)
+	if (n->type == ROFFT_BLOCK)
 		term_newln(p);
 }
 
@@ -1271,25 +1146,25 @@ termp_xr_pre(DECL_ARGS)
 {
 
 	if (NULL == (n = n->child))
-		return(0);
+		return 0;
 
-	assert(MDOC_TEXT == n->type);
+	assert(n->type == ROFFT_TEXT);
 	term_word(p, n->string);
 
 	if (NULL == (n = n->next))
-		return(0);
+		return 0;
 
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, "(");
 	p->flags |= TERMP_NOSPACE;
 
-	assert(MDOC_TEXT == n->type);
+	assert(n->type == ROFFT_TEXT);
 	term_word(p, n->string);
 
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, ")");
 
-	return(0);
+	return 0;
 }
 
 /*
@@ -1298,13 +1173,13 @@ termp_xr_pre(DECL_ARGS)
  * macro combos).
  */
 static void
-synopsis_pre(struct termp *p, const struct mdoc_node *n)
+synopsis_pre(struct termp *p, const struct roff_node *n)
 {
 	/*
 	 * Obviously, if we're not in a SYNOPSIS or no prior macros
 	 * exist, do nothing.
 	 */
-	if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
+	if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
 		return;
 
 	/*
@@ -1327,13 +1202,9 @@ synopsis_pre(struct termp *p, const struct mdoc_node *n)
 	 */
 	switch (n->prev->tok) {
 	case MDOC_Fd:
-		/* FALLTHROUGH */
 	case MDOC_Fn:
-		/* FALLTHROUGH */
 	case MDOC_Fo:
-		/* FALLTHROUGH */
 	case MDOC_In:
-		/* FALLTHROUGH */
 	case MDOC_Vt:
 		term_vspace(p);
 		break;
@@ -1353,24 +1224,25 @@ static int
 termp_vt_pre(DECL_ARGS)
 {
 
-	if (MDOC_ELEM == n->type) {
+	if (n->type == ROFFT_ELEM) {
 		synopsis_pre(p, n);
-		return(termp_under_pre(p, pair, meta, n));
-	} else if (MDOC_BLOCK == n->type) {
+		return termp_under_pre(p, pair, meta, n);
+	} else if (n->type == ROFFT_BLOCK) {
 		synopsis_pre(p, n);
-		return(1);
-	} else if (MDOC_HEAD == n->type)
-		return(0);
+		return 1;
+	} else if (n->type == ROFFT_HEAD)
+		return 0;
 
-	return(termp_under_pre(p, pair, meta, n));
+	return termp_under_pre(p, pair, meta, n);
 }
 
 static int
 termp_bold_pre(DECL_ARGS)
 {
 
+	termp_tag_pre(p, pair, meta, n);
 	term_fontpush(p, TERMFONT_BOLD);
-	return(1);
+	return 1;
 }
 
 static int
@@ -1378,7 +1250,7 @@ termp_fd_pre(DECL_ARGS)
 {
 
 	synopsis_pre(p, n);
-	return(termp_bold_pre(p, pair, meta, n));
+	return termp_bold_pre(p, pair, meta, n);
 }
 
 static void
@@ -1392,27 +1264,38 @@ static int
 termp_sh_pre(DECL_ARGS)
 {
 
-	/* No vspace between consecutive `Sh' calls. */
-
 	switch (n->type) {
-	case MDOC_BLOCK:
-		if (n->prev && MDOC_Sh == n->prev->tok)
-			if (NULL == n->prev->body->child)
-				break;
-		term_vspace(p);
+	case ROFFT_BLOCK:
+		/*
+		 * Vertical space before sections, except
+		 * when the previous section was empty.
+		 */
+		if (n->prev == NULL ||
+		    n->prev->tok != MDOC_Sh ||
+		    (n->prev->body != NULL &&
+		     n->prev->body->child != NULL))
+			term_vspace(p);
 		break;
-	case MDOC_HEAD:
+	case ROFFT_HEAD:
 		term_fontpush(p, TERMFONT_BOLD);
 		break;
-	case MDOC_BODY:
+	case ROFFT_BODY:
 		p->offset = term_len(p, p->defindent);
-		if (SEC_AUTHORS == n->sec)
+		switch (n->sec) {
+		case SEC_DESCRIPTION:
+			fn_prio = 0;
+			break;
+		case SEC_AUTHORS:
 			p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
+			break;
+		default:
+			break;
+		}
 		break;
 	default:
 		break;
 	}
-	return(1);
+	return 1;
 }
 
 static void
@@ -1420,10 +1303,10 @@ termp_sh_post(DECL_ARGS)
 {
 
 	switch (n->type) {
-	case MDOC_HEAD:
+	case ROFFT_HEAD:
 		term_newln(p);
 		break;
-	case MDOC_BODY:
+	case ROFFT_BODY:
 		term_newln(p);
 		p->offset = 0;
 		break;
@@ -1432,51 +1315,33 @@ termp_sh_post(DECL_ARGS)
 	}
 }
 
-static int
-termp_bt_pre(DECL_ARGS)
-{
-
-	term_word(p, "is currently in beta test.");
-	p->flags |= TERMP_SENTENCE;
-	return(0);
-}
-
 static void
 termp_lb_post(DECL_ARGS)
 {
 
-	if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
+	if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
 		term_newln(p);
 }
 
-static int
-termp_ud_pre(DECL_ARGS)
-{
-
-	term_word(p, "currently under development.");
-	p->flags |= TERMP_SENTENCE;
-	return(0);
-}
-
 static int
 termp_d1_pre(DECL_ARGS)
 {
 
-	if (MDOC_BLOCK != n->type)
-		return(1);
+	if (n->type != ROFFT_BLOCK)
+		return 1;
 	term_newln(p);
 	p->offset += term_len(p, p->defindent + 1);
-	return(1);
+	return 1;
 }
 
 static int
 termp_ft_pre(DECL_ARGS)
 {
 
-	/* NB: MDOC_LINE does not effect this! */
+	/* NB: NODE_LINE does not effect this! */
 	synopsis_pre(p, n);
 	term_fontpush(p, TERMFONT_UNDER);
-	return(1);
+	return 1;
 }
 
 static int
@@ -1485,12 +1350,12 @@ termp_fn_pre(DECL_ARGS)
 	size_t		 rmargin = 0;
 	int		 pretty;
 
-	pretty = MDOC_SYNPRETTY & n->flags;
+	pretty = NODE_SYNPRETTY & n->flags;
 
 	synopsis_pre(p, n);
 
 	if (NULL == (n = n->child))
-		return(0);
+		return 0;
 
 	if (pretty) {
 		rmargin = p->rmargin;
@@ -1498,11 +1363,14 @@ termp_fn_pre(DECL_ARGS)
 		p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
 	}
 
-	assert(MDOC_TEXT == n->type);
+	assert(n->type == ROFFT_TEXT);
 	term_fontpush(p, TERMFONT_BOLD);
 	term_word(p, n->string);
 	term_fontpop(p);
 
+	if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
+		tag_put(n->string, ++fn_prio, p->line);
+
 	if (pretty) {
 		term_flushln(p);
 		p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
@@ -1515,7 +1383,7 @@ termp_fn_pre(DECL_ARGS)
 	p->flags |= TERMP_NOSPACE;
 
 	for (n = n->next; n; n = n->next) {
-		assert(MDOC_TEXT == n->type);
+		assert(n->type == ROFFT_TEXT);
 		term_fontpush(p, TERMFONT_UNDER);
 		if (pretty)
 			p->flags |= TERMP_NBRWORD;
@@ -1537,17 +1405,17 @@ termp_fn_pre(DECL_ARGS)
 		term_flushln(p);
 	}
 
-	return(0);
+	return 0;
 }
 
 static int
 termp_fa_pre(DECL_ARGS)
 {
-	const struct mdoc_node	*nn;
+	const struct roff_node	*nn;
 
 	if (n->parent->tok != MDOC_Fo) {
 		term_fontpush(p, TERMFONT_UNDER);
-		return(1);
+		return 1;
 	}
 
 	for (nn = n->child; nn; nn = nn->next) {
@@ -1562,23 +1430,38 @@ termp_fa_pre(DECL_ARGS)
 		}
 	}
 
-	return(0);
+	return 0;
 }
 
 static int
 termp_bd_pre(DECL_ARGS)
 {
-	size_t			 tabwidth, rm, rmax;
-	struct mdoc_node	*nn;
+	size_t			 tabwidth, lm, len, rm, rmax;
+	struct roff_node	*nn;
+	int			 offset;
 
-	if (MDOC_BLOCK == n->type) {
+	if (n->type == ROFFT_BLOCK) {
 		print_bvspace(p, n, n);
-		return(1);
-	} else if (MDOC_HEAD == n->type)
-		return(0);
-
-	if (n->norm->Bd.offs)
-		p->offset += a2offs(p, n->norm->Bd.offs);
+		return 1;
+	} else if (n->type == ROFFT_HEAD)
+		return 0;
+
+	/* Handle the -offset argument. */
+
+	if (n->norm->Bd.offs == NULL ||
+	    ! strcmp(n->norm->Bd.offs, "left"))
+		/* nothing */;
+	else if ( ! strcmp(n->norm->Bd.offs, "indent"))
+		p->offset += term_len(p, p->defindent + 1);
+	else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
+		p->offset += term_len(p, (p->defindent + 1) * 2);
+	else {
+		offset = a2width(p, n->norm->Bd.offs);
+		if (offset < 0 && (size_t)(-offset) > p->offset)
+			p->offset = 0;
+		else if (offset < SHRT_MAX)
+			p->offset += offset;
+	}
 
 	/*
 	 * If -ragged or -filled are specified, the block does nothing
@@ -1589,18 +1472,29 @@ termp_bd_pre(DECL_ARGS)
 	 */
 
 	if (DISP_literal != n->norm->Bd.type &&
-	    DISP_unfilled != n->norm->Bd.type)
-		return(1);
+	    DISP_unfilled != n->norm->Bd.type &&
+	    DISP_centered != n->norm->Bd.type)
+		return 1;
 
 	tabwidth = p->tabwidth;
 	if (DISP_literal == n->norm->Bd.type)
 		p->tabwidth = term_len(p, 8);
 
+	lm = p->offset;
 	rm = p->rmargin;
 	rmax = p->maxrmargin;
 	p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
 
 	for (nn = n->child; nn; nn = nn->next) {
+		if (DISP_centered == n->norm->Bd.type) {
+			if (nn->type == ROFFT_TEXT) {
+				len = term_strlen(p, nn->string);
+				p->offset = len >= rm ? 0 :
+				    lm + len >= rm ? rm - len :
+				    (lm + rm - len) / 2;
+			} else
+				p->offset = lm;
+		}
 		print_mdoc_node(p, pair, meta, nn);
 		/*
 		 * If the printed node flushes its own line, then we
@@ -1610,25 +1504,19 @@ termp_bd_pre(DECL_ARGS)
 		 */
 		switch (nn->tok) {
 		case MDOC_Sm:
-			/* FALLTHROUGH */
 		case MDOC_br:
-			/* FALLTHROUGH */
 		case MDOC_sp:
-			/* FALLTHROUGH */
 		case MDOC_Bl:
-			/* FALLTHROUGH */
 		case MDOC_D1:
-			/* FALLTHROUGH */
 		case MDOC_Dl:
-			/* FALLTHROUGH */
 		case MDOC_Lp:
-			/* FALLTHROUGH */
 		case MDOC_Pp:
 			continue;
 		default:
 			break;
 		}
-		if (nn->next && nn->next->line == nn->line)
+		if (p->flags & TERMP_NONEWLINE ||
+		    (nn->next && ! (nn->next->flags & NODE_LINE)))
 			continue;
 		term_flushln(p);
 		p->flags |= TERMP_NOSPACE;
@@ -1637,7 +1525,7 @@ termp_bd_pre(DECL_ARGS)
 	p->tabwidth = tabwidth;
 	p->rmargin = rm;
 	p->maxrmargin = rmax;
-	return(0);
+	return 0;
 }
 
 static void
@@ -1645,7 +1533,7 @@ termp_bd_post(DECL_ARGS)
 {
 	size_t		 rm, rmax;
 
-	if (MDOC_BODY != n->type)
+	if (n->type != ROFFT_BODY)
 		return;
 
 	rm = p->rmargin;
@@ -1663,102 +1551,61 @@ termp_bd_post(DECL_ARGS)
 }
 
 static int
-termp_bx_pre(DECL_ARGS)
+termp_xx_pre(DECL_ARGS)
 {
-
-	if (NULL != (n = n->child)) {
-		term_word(p, n->string);
-		p->flags |= TERMP_NOSPACE;
-		term_word(p, "BSD");
-	} else {
-		term_word(p, "BSD");
-		return(0);
-	}
-
-	if (NULL != (n = n->next)) {
-		p->flags |= TERMP_NOSPACE;
-		term_word(p, "-");
-		p->flags |= TERMP_NOSPACE;
-		term_word(p, n->string);
-	}
-
-	return(0);
+	if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
+		p->flags |= TERMP_PREKEEP;
+	return 1;
 }
 
-static int
-termp_xx_pre(DECL_ARGS)
+static void
+termp_xx_post(DECL_ARGS)
 {
-	const char	*pp;
-	int		 flags;
-
-	pp = NULL;
-	switch (n->tok) {
-	case MDOC_Bsx:
-		pp = "BSD/OS";
-		break;
-	case MDOC_Dx:
-		pp = "DragonFly";
-		break;
-	case MDOC_Fx:
-		pp = "FreeBSD";
-		break;
-	case MDOC_Nx:
-		pp = "NetBSD";
-		break;
-	case MDOC_Ox:
-		pp = "OpenBSD";
-		break;
-	case MDOC_Ux:
-		pp = "UNIX";
-		break;
-	default:
-		abort();
-		/* NOTREACHED */
-	}
-
-	term_word(p, pp);
-	if (n->child) {
-		flags = p->flags;
-		p->flags |= TERMP_KEEP;
-		term_word(p, n->child->string);
-		p->flags = flags;
-	}
-	return(0);
+	if (n->aux == 0)
+		p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
 }
 
 static void
 termp_pf_post(DECL_ARGS)
 {
 
-	p->flags |= TERMP_NOSPACE;
+	if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
+		p->flags |= TERMP_NOSPACE;
 }
 
 static int
 termp_ss_pre(DECL_ARGS)
 {
+	struct roff_node *nn;
 
 	switch (n->type) {
-	case MDOC_BLOCK:
+	case ROFFT_BLOCK:
 		term_newln(p);
-		if (n->prev)
+		for (nn = n->prev; nn != NULL; nn = nn->prev)
+			if ((nn->flags & NODE_NOPRT) == 0)
+				break;
+		if (nn != NULL)
 			term_vspace(p);
 		break;
-	case MDOC_HEAD:
+	case ROFFT_HEAD:
 		term_fontpush(p, TERMFONT_BOLD);
 		p->offset = term_len(p, (p->defindent+1)/2);
 		break;
+	case ROFFT_BODY:
+		p->offset = term_len(p, p->defindent);
+		break;
 	default:
 		break;
 	}
 
-	return(1);
+	return 1;
 }
 
 static void
 termp_ss_post(DECL_ARGS)
 {
 
-	if (MDOC_HEAD == n->type)
+	if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
 		term_newln(p);
 }
 
@@ -1768,7 +1615,7 @@ termp_cd_pre(DECL_ARGS)
 
 	synopsis_pre(p, n);
 	term_fontpush(p, TERMFONT_BOLD);
-	return(1);
+	return 1;
 }
 
 static int
@@ -1777,7 +1624,7 @@ termp_in_pre(DECL_ARGS)
 
 	synopsis_pre(p, n);
 
-	if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
+	if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
 		term_fontpush(p, TERMFONT_BOLD);
 		term_word(p, "#include");
 		term_word(p, "<");
@@ -1787,205 +1634,232 @@ termp_in_pre(DECL_ARGS)
 	}
 
 	p->flags |= TERMP_NOSPACE;
-	return(1);
+	return 1;
 }
 
 static void
 termp_in_post(DECL_ARGS)
 {
 
-	if (MDOC_SYNPRETTY & n->flags)
+	if (NODE_SYNPRETTY & n->flags)
 		term_fontpush(p, TERMFONT_BOLD);
 
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, ">");
 
-	if (MDOC_SYNPRETTY & n->flags)
+	if (NODE_SYNPRETTY & n->flags)
 		term_fontpop(p);
 }
 
 static int
 termp_sp_pre(DECL_ARGS)
 {
-	size_t		 i, len;
+	struct roffsu	 su;
+	int		 i, len;
 
 	switch (n->tok) {
 	case MDOC_sp:
-		len = n->child ? a2height(p, n->child->string) : 1;
+		if (n->child) {
+			if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
+				su.scale = 1.0;
+			len = term_vspan(p, &su);
+		} else
+			len = 1;
 		break;
 	case MDOC_br:
 		len = 0;
 		break;
 	default:
 		len = 1;
+		fn_prio = 0;
 		break;
 	}
 
 	if (0 == len)
 		term_newln(p);
-	for (i = 0; i < len; i++)
-		term_vspace(p);
+	else if (len < 0)
+		p->skipvsp -= len;
+	else
+		for (i = 0; i < len; i++)
+			term_vspace(p);
 
-	return(0);
+	return 0;
 }
 
 static int
-termp_es_pre(DECL_ARGS)
+termp_skip_pre(DECL_ARGS)
 {
 
-	return(0);
+	return 0;
 }
 
 static int
 termp_quote_pre(DECL_ARGS)
 {
 
-	if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
-		return(1);
+	if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
+		return 1;
 
 	switch (n->tok) {
 	case MDOC_Ao:
-		/* FALLTHROUGH */
 	case MDOC_Aq:
-		term_word(p, "<");
+		term_word(p, n->child != NULL && n->child->next == NULL &&
+		    n->child->tok == MDOC_Mt ? "<" : "\\(la");
 		break;
 	case MDOC_Bro:
-		/* FALLTHROUGH */
 	case MDOC_Brq:
 		term_word(p, "{");
 		break;
 	case MDOC_Oo:
-		/* FALLTHROUGH */
 	case MDOC_Op:
-		/* FALLTHROUGH */
 	case MDOC_Bo:
-		/* FALLTHROUGH */
 	case MDOC_Bq:
 		term_word(p, "[");
 		break;
 	case MDOC_Do:
-		/* FALLTHROUGH */
 	case MDOC_Dq:
-		term_word(p, "\\(lq");
+		term_word(p, "\\(Lq");
 		break;
 	case MDOC_En:
 		if (NULL == n->norm->Es ||
 		    NULL == n->norm->Es->child)
-			return(1);
+			return 1;
 		term_word(p, n->norm->Es->child->string);
 		break;
-	case MDOC_Eo:
-		break;
 	case MDOC_Po:
-		/* FALLTHROUGH */
 	case MDOC_Pq:
 		term_word(p, "(");
 		break;
 	case MDOC__T:
-		/* FALLTHROUGH */
 	case MDOC_Qo:
-		/* FALLTHROUGH */
 	case MDOC_Qq:
 		term_word(p, "\"");
 		break;
 	case MDOC_Ql:
-		/* FALLTHROUGH */
 	case MDOC_So:
-		/* FALLTHROUGH */
 	case MDOC_Sq:
 		term_word(p, "\\(oq");
 		break;
 	default:
 		abort();
-		/* NOTREACHED */
 	}
 
 	p->flags |= TERMP_NOSPACE;
-	return(1);
+	return 1;
 }
 
 static void
 termp_quote_post(DECL_ARGS)
 {
 
-	if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
+	if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
 		return;
 
-	if (MDOC_En != n->tok)
-		p->flags |= TERMP_NOSPACE;
+	p->flags |= TERMP_NOSPACE;
 
 	switch (n->tok) {
 	case MDOC_Ao:
-		/* FALLTHROUGH */
 	case MDOC_Aq:
-		term_word(p, ">");
+		term_word(p, n->child != NULL && n->child->next == NULL &&
+		    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
 		break;
 	case MDOC_Bro:
-		/* FALLTHROUGH */
 	case MDOC_Brq:
 		term_word(p, "}");
 		break;
 	case MDOC_Oo:
-		/* FALLTHROUGH */
 	case MDOC_Op:
-		/* FALLTHROUGH */
 	case MDOC_Bo:
-		/* FALLTHROUGH */
 	case MDOC_Bq:
 		term_word(p, "]");
 		break;
 	case MDOC_Do:
-		/* FALLTHROUGH */
 	case MDOC_Dq:
-		term_word(p, "\\(rq");
+		term_word(p, "\\(Rq");
 		break;
 	case MDOC_En:
-		if (NULL != n->norm->Es &&
-		    NULL != n->norm->Es->child &&
-		    NULL != n->norm->Es->child->next) {
-			p->flags |= TERMP_NOSPACE;
+		if (n->norm->Es == NULL ||
+		    n->norm->Es->child == NULL ||
+		    n->norm->Es->child->next == NULL)
+			p->flags &= ~TERMP_NOSPACE;
+		else
 			term_word(p, n->norm->Es->child->next->string);
-		}
-		break;
-	case MDOC_Eo:
 		break;
 	case MDOC_Po:
-		/* FALLTHROUGH */
 	case MDOC_Pq:
 		term_word(p, ")");
 		break;
 	case MDOC__T:
-		/* FALLTHROUGH */
 	case MDOC_Qo:
-		/* FALLTHROUGH */
 	case MDOC_Qq:
 		term_word(p, "\"");
 		break;
 	case MDOC_Ql:
-		/* FALLTHROUGH */
 	case MDOC_So:
-		/* FALLTHROUGH */
 	case MDOC_Sq:
 		term_word(p, "\\(cq");
 		break;
 	default:
 		abort();
-		/* NOTREACHED */
 	}
 }
 
+static int
+termp_eo_pre(DECL_ARGS)
+{
+
+	if (n->type != ROFFT_BODY)
+		return 1;
+
+	if (n->end == ENDBODY_NOT &&
+	    n->parent->head->child == NULL &&
+	    n->child != NULL &&
+	    n->child->end != ENDBODY_NOT)
+		term_word(p, "\\&");
+	else if (n->end != ENDBODY_NOT ? n->child != NULL :
+	     n->parent->head->child != NULL && (n->child != NULL ||
+	     (n->parent->tail != NULL && n->parent->tail->child != NULL)))
+		p->flags |= TERMP_NOSPACE;
+
+	return 1;
+}
+
+static void
+termp_eo_post(DECL_ARGS)
+{
+	int	 body, tail;
+
+	if (n->type != ROFFT_BODY)
+		return;
+
+	if (n->end != ENDBODY_NOT) {
+		p->flags &= ~TERMP_NOSPACE;
+		return;
+	}
+
+	body = n->child != NULL || n->parent->head->child != NULL;
+	tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
+
+	if (body && tail)
+		p->flags |= TERMP_NOSPACE;
+	else if ( ! (body || tail))
+		term_word(p, "\\&");
+	else if ( ! tail)
+		p->flags &= ~TERMP_NOSPACE;
+}
+
 static int
 termp_fo_pre(DECL_ARGS)
 {
 	size_t		 rmargin = 0;
 	int		 pretty;
 
-	pretty = MDOC_SYNPRETTY & n->flags;
+	pretty = NODE_SYNPRETTY & n->flags;
 
-	if (MDOC_BLOCK == n->type) {
+	if (n->type == ROFFT_BLOCK) {
 		synopsis_pre(p, n);
-		return(1);
-	} else if (MDOC_BODY == n->type) {
+		return 1;
+	} else if (n->type == ROFFT_BODY) {
 		if (pretty) {
 			rmargin = p->rmargin;
 			p->rmargin = p->offset + term_len(p, 4);
@@ -2002,31 +1876,31 @@ termp_fo_pre(DECL_ARGS)
 			p->offset = p->rmargin;
 			p->rmargin = rmargin;
 		}
-		return(1);
+		return 1;
 	}
 
 	if (NULL == n->child)
-		return(0);
+		return 0;
 
 	/* XXX: we drop non-initial arguments as per groff. */
 
 	assert(n->child->string);
 	term_fontpush(p, TERMFONT_BOLD);
 	term_word(p, n->child->string);
-	return(0);
+	return 0;
 }
 
 static void
 termp_fo_post(DECL_ARGS)
 {
 
-	if (MDOC_BODY != n->type)
+	if (n->type != ROFFT_BODY)
 		return;
 
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, ")");
 
-	if (MDOC_SYNPRETTY & n->flags) {
+	if (NODE_SYNPRETTY & n->flags) {
 		p->flags |= TERMP_NOSPACE;
 		term_word(p, ";");
 		term_flushln(p);
@@ -2037,10 +1911,10 @@ static int
 termp_bf_pre(DECL_ARGS)
 {
 
-	if (MDOC_HEAD == n->type)
-		return(0);
-	else if (MDOC_BODY != n->type)
-		return(1);
+	if (n->type == ROFFT_HEAD)
+		return 0;
+	else if (n->type != ROFFT_BODY)
+		return 1;
 
 	if (FONT_Em == n->norm->Bf.font)
 		term_fontpush(p, TERMFONT_UNDER);
@@ -2049,7 +1923,7 @@ termp_bf_pre(DECL_ARGS)
 	else
 		term_fontpush(p, TERMFONT_NONE);
 
-	return(1);
+	return 1;
 }
 
 static int
@@ -2066,7 +1940,7 @@ termp_sm_pre(DECL_ARGS)
 	if (p->col && ! (TERMP_NONOSPACE & p->flags))
 		p->flags &= ~TERMP_NOSPACE;
 
-	return(0);
+	return 0;
 }
 
 static int
@@ -2076,7 +1950,7 @@ termp_ap_pre(DECL_ARGS)
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, "'");
 	p->flags |= TERMP_NOSPACE;
-	return(1);
+	return 1;
 }
 
 static void
@@ -2110,17 +1984,18 @@ static int
 termp_li_pre(DECL_ARGS)
 {
 
+	termp_tag_pre(p, pair, meta, n);
 	term_fontpush(p, TERMFONT_NONE);
-	return(1);
+	return 1;
 }
 
 static int
 termp_lk_pre(DECL_ARGS)
 {
-	const struct mdoc_node *link, *descr;
+	const struct roff_node *link, *descr;
 
 	if (NULL == (link = n->child))
-		return(0);
+		return 0;
 
 	if (NULL != (descr = link->next)) {
 		term_fontpush(p, TERMFONT_UNDER);
@@ -2137,7 +2012,7 @@ termp_lk_pre(DECL_ARGS)
 	term_word(p, link->string);
 	term_fontpop(p);
 
-	return(0);
+	return 0;
 }
 
 static int
@@ -2145,27 +2020,26 @@ termp_bk_pre(DECL_ARGS)
 {
 
 	switch (n->type) {
-	case MDOC_BLOCK:
+	case ROFFT_BLOCK:
 		break;
-	case MDOC_HEAD:
-		return(0);
-	case MDOC_BODY:
-		if (n->parent->args || 0 == n->prev->nchild)
+	case ROFFT_HEAD:
+		return 0;
+	case ROFFT_BODY:
+		if (n->parent->args != NULL || n->prev->child == NULL)
 			p->flags |= TERMP_PREKEEP;
 		break;
 	default:
 		abort();
-		/* NOTREACHED */
 	}
 
-	return(1);
+	return 1;
 }
 
 static void
 termp_bk_post(DECL_ARGS)
 {
 
-	if (MDOC_BODY == n->type)
+	if (n->type == ROFFT_BODY)
 		p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
 }
 
@@ -2194,10 +2068,10 @@ termp__t_pre(DECL_ARGS)
 	 */
 	if (n->parent && MDOC_Rs == n->parent->tok &&
 	    n->parent->norm->Rs.quote_T)
-		return(termp_quote_pre(p, pair, meta, n));
+		return termp_quote_pre(p, pair, meta, n);
 
 	term_fontpush(p, TERMFONT_UNDER);
-	return(1);
+	return 1;
 }
 
 static int
@@ -2205,5 +2079,54 @@ termp_under_pre(DECL_ARGS)
 {
 
 	term_fontpush(p, TERMFONT_UNDER);
-	return(1);
+	return 1;
+}
+
+static int
+termp_em_pre(DECL_ARGS)
+{
+	if (n->child != NULL &&
+	    n->child->type == ROFFT_TEXT)
+		tag_put(n->child->string, 0, p->line);
+	term_fontpush(p, TERMFONT_UNDER);
+	return 1;
+}
+
+static int
+termp_sy_pre(DECL_ARGS)
+{
+	if (n->child != NULL &&
+	    n->child->type == ROFFT_TEXT)
+		tag_put(n->child->string, 0, p->line);
+	term_fontpush(p, TERMFONT_BOLD);
+	return 1;
+}
+
+static int
+termp_er_pre(DECL_ARGS)
+{
+
+	if (n->sec == SEC_ERRORS &&
+	    (n->parent->tok == MDOC_It ||
+	     (n->parent->tok == MDOC_Bq &&
+	      n->parent->parent->parent->tok == MDOC_It)))
+		tag_put(n->child->string, 1, p->line);
+	return 1;
+}
+
+static int
+termp_tag_pre(DECL_ARGS)
+{
+
+	if (n->child != NULL &&
+	    n->child->type == ROFFT_TEXT &&
+	    (n->prev == NULL ||
+	     (n->prev->type == ROFFT_TEXT &&
+	      strcmp(n->prev->string, "|") == 0)) &&
+	    (n->parent->tok == MDOC_It ||
+	     (n->parent->tok == MDOC_Xo &&
+	      n->parent->parent->prev == NULL &&
+	      n->parent->parent->parent->tok == MDOC_It)))
+		tag_put(n->child->string, 1, p->line);
+	return 1;
 }