===================================================================
RCS file: /cvs/mandoc/mdoc_term.c,v
retrieving revision 1.351
retrieving revision 1.370
diff -u -p -r1.351 -r1.370
--- mandoc/mdoc_term.c	2017/05/04 17:48:29	1.351
+++ mandoc/mdoc_term.c	2018/12/13 11:55:47	1.370
@@ -1,7 +1,7 @@
-/*	$Id: mdoc_term.c,v 1.351 2017/05/04 17:48:29 schwarze Exp $ */
+/*	$Id: mdoc_term.c,v 1.370 2018/12/13 11:55:47 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2012-2018 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -29,7 +29,6 @@
 #include <string.h>
 
 #include "mandoc_aux.h"
-#include "mandoc.h"
 #include "roff.h"
 #include "mdoc.h"
 #include "out.h"
@@ -47,7 +46,7 @@ struct	termpair {
 		  const struct roff_meta *meta, \
 		  struct roff_node *n
 
-struct	termact {
+struct	mdoc_term_act {
 	int	(*pre)(DECL_ARGS);
 	void	(*post)(DECL_ARGS);
 };
@@ -84,6 +83,7 @@ static	void	  termp_xx_post(DECL_ARGS);
 
 static	int	  termp__a_pre(DECL_ARGS);
 static	int	  termp__t_pre(DECL_ARGS);
+static	int	  termp_abort_pre(DECL_ARGS);
 static	int	  termp_an_pre(DECL_ARGS);
 static	int	  termp_ap_pre(DECL_ARGS);
 static	int	  termp_bd_pre(DECL_ARGS);
@@ -106,7 +106,6 @@ static	int	  termp_ft_pre(DECL_ARGS);
 static	int	  termp_in_pre(DECL_ARGS);
 static	int	  termp_it_pre(DECL_ARGS);
 static	int	  termp_li_pre(DECL_ARGS);
-static	int	  termp_ll_pre(DECL_ARGS);
 static	int	  termp_lk_pre(DECL_ARGS);
 static	int	  termp_nd_pre(DECL_ARGS);
 static	int	  termp_nm_pre(DECL_ARGS);
@@ -116,7 +115,7 @@ static	int	  termp_rs_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_pp_pre(DECL_ARGS);
 static	int	  termp_ss_pre(DECL_ARGS);
 static	int	  termp_sy_pre(DECL_ARGS);
 static	int	  termp_tag_pre(DECL_ARGS);
@@ -125,13 +124,13 @@ static	int	  termp_vt_pre(DECL_ARGS);
 static	int	  termp_xr_pre(DECL_ARGS);
 static	int	  termp_xx_pre(DECL_ARGS);
 
-static	const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
+static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
 	{ NULL, NULL }, /* Dd */
 	{ NULL, NULL }, /* Dt */
 	{ NULL, NULL }, /* Os */
 	{ termp_sh_pre, termp_sh_post }, /* Sh */
 	{ termp_ss_pre, termp_ss_post }, /* Ss */
-	{ termp_sp_pre, NULL }, /* Pp */
+	{ termp_pp_pre, NULL }, /* Pp */
 	{ termp_d1_pre, termp_bl_post }, /* D1 */
 	{ termp_d1_pre, termp_bl_post }, /* Dl */
 	{ termp_bd_pre, termp_bd_post }, /* Bd */
@@ -160,7 +159,7 @@ static	const struct termact __termacts[MDOC_MAX - MDOC
 	{ termp_nd_pre, NULL }, /* Nd */
 	{ termp_nm_pre, termp_nm_post }, /* Nm */
 	{ termp_quote_pre, termp_quote_post }, /* Op */
-	{ termp_ft_pre, NULL }, /* Ot */
+	{ termp_abort_pre, NULL }, /* Ot */
 	{ termp_under_pre, NULL }, /* Pa */
 	{ termp_ex_pre, NULL }, /* Rv */
 	{ NULL, NULL }, /* St */
@@ -233,7 +232,7 @@ static	const struct termact __termacts[MDOC_MAX - MDOC
 	{ termp_under_pre, NULL }, /* Fr */
 	{ NULL, NULL }, /* Ud */
 	{ NULL, termp_lb_post }, /* Lb */
-	{ termp_sp_pre, NULL }, /* Lp */
+	{ termp_abort_pre, NULL }, /* Lp */
 	{ termp_lk_pre, NULL }, /* Lk */
 	{ termp_under_pre, NULL }, /* Mt */
 	{ termp_quote_pre, termp_quote_post }, /* Brq */
@@ -244,12 +243,9 @@ static	const struct termact __termacts[MDOC_MAX - MDOC
 	{ termp_quote_pre, termp_quote_post }, /* En */
 	{ termp_xx_pre, termp_xx_post }, /* Dx */
 	{ NULL, termp____post }, /* %Q */
-	{ termp_sp_pre, NULL }, /* sp */
 	{ NULL, termp____post }, /* %U */
 	{ NULL, NULL }, /* Ta */
-	{ termp_ll_pre, NULL }, /* ll */
 };
-static	const struct termact *const termacts = __termacts - MDOC_Dd;
 
 static	int	 fn_prio;
 
@@ -262,9 +258,10 @@ terminal_mdoc(void *arg, const struct roff_man *mdoc)
 	size_t			 save_defindent;
 
 	p = (struct termp *)arg;
-	p->overstep = 0;
-	p->rmargin = p->maxrmargin = p->defrmargin;
-	p->tabwidth = term_len(p, 5);
+	p->tcol->rmargin = p->maxrmargin = p->defrmargin;
+	term_tab_set(p, NULL);
+	term_tab_set(p, "T");
+	term_tab_set(p, ".5i");
 
 	n = mdoc->first->child;
 	if (p->synopsisonly) {
@@ -285,7 +282,9 @@ terminal_mdoc(void *arg, const struct roff_man *mdoc)
 			p->defindent = 5;
 		term_begin(p, print_mdoc_head, print_mdoc_foot,
 		    &mdoc->meta);
-		while (n != NULL && n->flags & NODE_NOPRT)
+		while (n != NULL &&
+		    (n->type == ROFFT_COMMENT ||
+		     n->flags & NODE_NOPRT))
 			n = n->next;
 		if (n != NULL) {
 			if (n->tok != MDOC_Sh)
@@ -310,16 +309,17 @@ print_mdoc_nodelist(DECL_ARGS)
 static void
 print_mdoc_node(DECL_ARGS)
 {
-	int		 chld;
+	const struct mdoc_term_act *act;
 	struct termpair	 npair;
 	size_t		 offset, rmargin;
+	int		 chld;
 
-	if (n->flags & NODE_NOPRT)
+	if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
 		return;
 
 	chld = 1;
-	offset = p->offset;
-	rmargin = p->rmargin;
+	offset = p->tcol->offset;
+	rmargin = p->tcol->rmargin;
 	n->flags &= ~NODE_ENDED;
 	n->prev_font = p->fonti;
 
@@ -343,7 +343,8 @@ print_mdoc_node(DECL_ARGS)
 
 	switch (n->type) {
 	case ROFFT_TEXT:
-		if (' ' == *n->string && NODE_LINE & n->flags)
+		if (*n->string == ' ' && n->flags & NODE_LINE &&
+		    (p->flags & TERMP_NONEWLINE) == 0)
 			term_newln(p);
 		if (NODE_DELIMC & n->flags)
 			p->flags |= TERMP_NOSPACE;
@@ -365,20 +366,14 @@ print_mdoc_node(DECL_ARGS)
 		break;
 	default:
 		if (n->tok < ROFF_MAX) {
-			switch (n->tok) {
-			case ROFF_br:
-				termp_sp_pre(p, &npair, meta, n);
-				break;
-			default:
-				abort();
-			}
-			break;
+			roff_term_pre(p, n);
+			return;
 		}
 		assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
-		if (termacts[n->tok].pre != NULL &&
+		act = mdoc_term_acts + (n->tok - MDOC_Dd);
+		if (act->pre != NULL &&
 		    (n->end == ENDBODY_NOT || n->child != NULL))
-			chld = (*termacts[n->tok].pre)
-				(p, &npair, meta, n);
+			chld = (*act->pre)(p, &npair, meta, n);
 		break;
 	}
 
@@ -396,11 +391,9 @@ print_mdoc_node(DECL_ARGS)
 	case ROFFT_EQN:
 		break;
 	default:
-		if (n->tok < ROFF_MAX ||
-		    termacts[n->tok].post == NULL ||
-		    n->flags & NODE_ENDED)
+		if (act->post == NULL || n->flags & NODE_ENDED)
 			break;
-		(void)(*termacts[n->tok].post)(p, &npair, meta, n);
+		(void)(*act->post)(p, &npair, meta, n);
 
 		/*
 		 * Explicit end tokens not only call the post
@@ -415,10 +408,9 @@ print_mdoc_node(DECL_ARGS)
 	if (NODE_EOS & n->flags)
 		p->flags |= TERMP_SENTENCE;
 
-	if (MDOC_ll != n->tok) {
-		p->offset = offset;
-		p->rmargin = rmargin;
-	}
+	if (n->type != ROFFT_TEXT)
+		p->tcol->offset = offset;
+	p->tcol->rmargin = rmargin;
 }
 
 static void
@@ -438,9 +430,9 @@ print_mdoc_foot(struct termp *p, const struct roff_met
 
 	term_vspace(p);
 
-	p->offset = 0;
+	p->tcol->offset = 0;
 	sz = term_strlen(p, meta->date);
-	p->rmargin = p->maxrmargin > sz ?
+	p->tcol->rmargin = p->maxrmargin > sz ?
 	    (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
 	p->trailspace = 1;
 	p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
@@ -448,16 +440,16 @@ print_mdoc_foot(struct termp *p, const struct roff_met
 	term_word(p, meta->os);
 	term_flushln(p);
 
-	p->offset = p->rmargin;
+	p->tcol->offset = p->tcol->rmargin;
 	sz = term_strlen(p, meta->os);
-	p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
+	p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
 	p->flags |= TERMP_NOSPACE;
 
 	term_word(p, meta->date);
 	term_flushln(p);
 
-	p->offset = p->rmargin;
-	p->rmargin = p->maxrmargin;
+	p->tcol->offset = p->tcol->rmargin;
+	p->tcol->rmargin = p->maxrmargin;
 	p->trailspace = 0;
 	p->flags &= ~TERMP_NOBREAK;
 	p->flags |= TERMP_NOSPACE;
@@ -465,8 +457,8 @@ print_mdoc_foot(struct termp *p, const struct roff_met
 	term_word(p, meta->os);
 	term_flushln(p);
 
-	p->offset = 0;
-	p->rmargin = p->maxrmargin;
+	p->tcol->offset = 0;
+	p->tcol->rmargin = p->maxrmargin;
 	p->flags = 0;
 }
 
@@ -506,8 +498,8 @@ print_mdoc_head(struct termp *p, const struct roff_met
 
 	p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
 	p->trailspace = 1;
-	p->offset = 0;
-	p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
+	p->tcol->offset = 0;
+	p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
 	    (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
 	    vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
 
@@ -515,26 +507,26 @@ print_mdoc_head(struct termp *p, const struct roff_met
 	term_flushln(p);
 
 	p->flags |= TERMP_NOSPACE;
-	p->offset = p->rmargin;
-	p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
-	    p->maxrmargin - titlen : p->maxrmargin;
+	p->tcol->offset = p->tcol->rmargin;
+	p->tcol->rmargin = p->tcol->offset + vollen + titlen <
+	    p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
 
 	term_word(p, volume);
 	term_flushln(p);
 
 	p->flags &= ~TERMP_NOBREAK;
 	p->trailspace = 0;
-	if (p->rmargin + titlen <= p->maxrmargin) {
+	if (p->tcol->rmargin + titlen <= p->maxrmargin) {
 		p->flags |= TERMP_NOSPACE;
-		p->offset = p->rmargin;
-		p->rmargin = p->maxrmargin;
+		p->tcol->offset = p->tcol->rmargin;
+		p->tcol->rmargin = p->maxrmargin;
 		term_word(p, title);
 		term_flushln(p);
 	}
 
 	p->flags &= ~TERMP_NOSPACE;
-	p->offset = 0;
-	p->rmargin = p->maxrmargin;
+	p->tcol->offset = 0;
+	p->tcol->rmargin = p->maxrmargin;
 	free(title);
 	free(volume);
 }
@@ -543,12 +535,14 @@ static int
 a2width(const struct termp *p, const char *v)
 {
 	struct roffsu	 su;
+	const char	*end;
 
-	if (a2roffsu(v, &su, SCALE_MAX) < 2) {
+	end = a2roffsu(v, &su, SCALE_MAX);
+	if (end == NULL || *end != '\0') {
 		SCALE_HS_INIT(&su, term_strlen(p, v));
 		su.scale /= term_strlen(p, "0");
 	}
-	return term_hspan(p, &su) / 24;
+	return term_hen(p, &su);
 }
 
 /*
@@ -575,7 +569,9 @@ print_bvspace(struct termp *p,
 	/* Do not vspace directly after Ss/Sh. */
 
 	nn = n;
-	while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
+	while (nn->prev != NULL &&
+	    (nn->prev->type == ROFFT_COMMENT ||
+	     nn->prev->flags & NODE_NOPRT))
 		nn = nn->prev;
 	while (nn->prev == NULL) {
 		do {
@@ -610,14 +606,6 @@ print_bvspace(struct termp *p,
 
 
 static int
-termp_ll_pre(DECL_ARGS)
-{
-
-	term_setwidth(p, n->child != NULL ? n->child->string : NULL);
-	return 0;
-}
-
-static int
 termp_it_pre(DECL_ARGS)
 {
 	struct roffsu		su;
@@ -667,8 +655,8 @@ termp_it_pre(DECL_ARGS)
 
 	if (bl->norm->Bl.offs != NULL) {
 		offset = a2width(p, bl->norm->Bl.offs);
-		if (offset < 0 && (size_t)(-offset) > p->offset)
-			offset = -p->offset;
+		if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
+			offset = -p->tcol->offset;
 		else if (offset > SHRT_MAX)
 			offset = 0;
 	}
@@ -702,7 +690,7 @@ termp_it_pre(DECL_ARGS)
 			SCALE_HS_INIT(&su,
 			    term_strlen(p, bl->norm->Bl.cols[i]));
 			su.scale /= term_strlen(p, "0");
-			offset += term_hspan(p, &su) / 24 + dcol;
+			offset += term_hen(p, &su) + dcol;
 		}
 
 		/*
@@ -720,7 +708,7 @@ termp_it_pre(DECL_ARGS)
 		 */
 		SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
 		su.scale /= term_strlen(p, "0");
-		width = term_hspan(p, &su) / 24 + dcol;
+		width = term_hen(p, &su) + dcol;
 		break;
 	default:
 		if (NULL == bl->norm->Bl.width)
@@ -732,8 +720,8 @@ termp_it_pre(DECL_ARGS)
 		 * handling for column for how this changes.
 		 */
 		width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
-		if (width < 0 && (size_t)(-width) > p->offset)
-			width = -p->offset;
+		if (width < 0 && (size_t)(-width) > p->tcol->offset)
+			width = -p->tcol->offset;
 		else if (width > SHRT_MAX)
 			width = 0;
 		break;
@@ -782,33 +770,15 @@ termp_it_pre(DECL_ARGS)
 	case LIST_bullet:
 	case LIST_dash:
 	case LIST_hyphen:
-		/*
-		 * Weird special case.
-		 * Some very narrow lists actually hang.
-		 */
-		if (width <= (int)term_len(p, 2))
-			p->flags |= TERMP_HANG;
-		if (n->type != ROFFT_HEAD)
-			break;
-		p->flags |= TERMP_NOBREAK;
-		p->trailspace = 1;
+		if (n->type == ROFFT_HEAD) {
+			p->flags |= TERMP_NOBREAK | TERMP_HANG;
+			p->trailspace = 1;
+		} else if (width <= (int)term_len(p, 2))
+			p->flags |= TERMP_NOPAD;
 		break;
 	case LIST_hang:
 		if (n->type != ROFFT_HEAD)
 			break;
-
-		/*
-		 * This is ugly.  If `-hang' is specified and the body
-		 * is a `Bl' or `Bd', then we want basically to nullify
-		 * the "overstep" effect in term_flushln() and treat
-		 * this as a `-ohang' list instead.
-		 */
-		if (NULL != n->next &&
-		    NULL != n->next->child &&
-		    (MDOC_Bl == n->next->child->tok ||
-		     MDOC_Bd == n->next->child->tok))
-			break;
-
 		p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
 		p->trailspace = 1;
 		break;
@@ -820,7 +790,7 @@ termp_it_pre(DECL_ARGS)
 		p->trailspace = 2;
 
 		if (NULL == n->next || NULL == n->next->child)
-			p->flags |= TERMP_DANGLE;
+			p->flags |= TERMP_HANG;
 		break;
 	case LIST_column:
 		if (n->type == ROFFT_HEAD)
@@ -851,43 +821,31 @@ termp_it_pre(DECL_ARGS)
 	 * necessarily lengthened.  Everybody gets the offset.
 	 */
 
-	p->offset += offset;
+	p->tcol->offset += offset;
 
 	switch (type) {
-	case LIST_hang:
-		/*
-		 * Same stipulation as above, regarding `-hang'.  We
-		 * don't want to recalculate rmargin and offsets when
-		 * using `Bd' or `Bl' within `-hang' overstep lists.
-		 */
-		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:
 	case LIST_dash:
 	case LIST_enum:
 	case LIST_hyphen:
+	case LIST_hang:
 	case LIST_tag:
 		if (n->type == ROFFT_HEAD)
-			p->rmargin = p->offset + width;
+			p->tcol->rmargin = p->tcol->offset + width;
 		else
-			p->offset += width;
+			p->tcol->offset += width;
 		break;
 	case LIST_column:
 		assert(width);
-		p->rmargin = p->offset + width;
+		p->tcol->rmargin = p->tcol->offset + width;
 		/*
 		 * XXX - this behaviour is not documented: the
 		 * right-most column is filled to the right margin.
 		 */
 		if (n->type == ROFFT_HEAD)
 			break;
-		if (NULL == n->next && p->rmargin < p->maxrmargin)
-			p->rmargin = p->maxrmargin;
+		if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
+			p->tcol->rmargin = p->maxrmargin;
 		break;
 	default:
 		break;
@@ -937,6 +895,7 @@ termp_it_pre(DECL_ARGS)
 	case LIST_column:
 		if (n->type == ROFFT_HEAD)
 			return 0;
+		p->minbl = 0;
 		break;
 	default:
 		break;
@@ -977,8 +936,7 @@ termp_it_post(DECL_ARGS)
 	 * has munged them in the meanwhile.
 	 */
 
-	p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
-			TERMP_DANGLE | TERMP_HANG);
+	p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
 	p->trailspace = 0;
 }
 
@@ -993,7 +951,7 @@ termp_nm_pre(DECL_ARGS)
 	}
 
 	if (n->type == ROFFT_BODY) {
-		if (NULL == n->child)
+		if (n->child == NULL)
 			return 0;
 		p->flags |= TERMP_NOSPACE;
 		cp = NULL;
@@ -1002,9 +960,10 @@ termp_nm_pre(DECL_ARGS)
 		if (cp == NULL)
 			cp = meta->name;
 		if (cp == NULL)
-			p->offset += term_len(p, 6);
+			p->tcol->offset += term_len(p, 6);
 		else
-			p->offset += term_len(p, 1) + term_strlen(p, cp);
+			p->tcol->offset += term_len(p, 1) +
+			    term_strlen(p, cp);
 		return 1;
 	}
 
@@ -1015,18 +974,18 @@ termp_nm_pre(DECL_ARGS)
 		synopsis_pre(p, n->parent);
 
 	if (n->type == ROFFT_HEAD &&
-	    NULL != n->next && NULL != n->next->child) {
+	    n->next != NULL && n->next->child != NULL) {
 		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 (n->child->type == ROFFT_TEXT) {
-			p->rmargin += term_strlen(p, n->child->string);
-			if (n->child->next)
+		p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
+		if (n->child == NULL)
+			p->tcol->rmargin += term_strlen(p, meta->name);
+		else if (n->child->type == ROFFT_TEXT) {
+			p->tcol->rmargin += term_strlen(p, n->child->string);
+			if (n->child->next != NULL)
 				p->flags |= TERMP_HANG;
 		} else {
-			p->rmargin += term_len(p, 5);
+			p->tcol->rmargin += term_len(p, 5);
 			p->flags |= TERMP_HANG;
 		}
 	}
@@ -1149,8 +1108,14 @@ static void
 termp_bl_post(DECL_ARGS)
 {
 
-	if (n->type == ROFFT_BLOCK)
-		term_newln(p);
+	if (n->type != ROFFT_BLOCK)
+		return;
+	term_newln(p);
+	if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
+		return;
+	term_tab_set(p, NULL);
+	term_tab_set(p, "T");
+	term_tab_set(p, ".5i");
 }
 
 static int
@@ -1292,7 +1257,10 @@ termp_sh_pre(DECL_ARGS)
 		term_fontpush(p, TERMFONT_BOLD);
 		break;
 	case ROFFT_BODY:
-		p->offset = term_len(p, p->defindent);
+		p->tcol->offset = term_len(p, p->defindent);
+		term_tab_set(p, NULL);
+		term_tab_set(p, "T");
+		term_tab_set(p, ".5i");
 		switch (n->sec) {
 		case SEC_DESCRIPTION:
 			fn_prio = 0;
@@ -1320,7 +1288,7 @@ termp_sh_post(DECL_ARGS)
 		break;
 	case ROFFT_BODY:
 		term_newln(p);
-		p->offset = 0;
+		p->tcol->offset = 0;
 		break;
 	default:
 		break;
@@ -1342,7 +1310,10 @@ termp_d1_pre(DECL_ARGS)
 	if (n->type != ROFFT_BLOCK)
 		return 1;
 	term_newln(p);
-	p->offset += term_len(p, p->defindent + 1);
+	p->tcol->offset += term_len(p, p->defindent + 1);
+	term_tab_set(p, NULL);
+	term_tab_set(p, "T");
+	term_tab_set(p, ".5i");
 	return 1;
 }
 
@@ -1370,8 +1341,8 @@ termp_fn_pre(DECL_ARGS)
 		return 0;
 
 	if (pretty) {
-		rmargin = p->rmargin;
-		p->rmargin = p->offset + term_len(p, 4);
+		rmargin = p->tcol->rmargin;
+		p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
 		p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
 	}
 
@@ -1386,8 +1357,9 @@ termp_fn_pre(DECL_ARGS)
 	if (pretty) {
 		term_flushln(p);
 		p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
-		p->offset = p->rmargin;
-		p->rmargin = rmargin;
+		p->flags |= TERMP_NOPAD;
+		p->tcol->offset = p->tcol->rmargin;
+		p->tcol->rmargin = rmargin;
 	}
 
 	p->flags |= TERMP_NOSPACE;
@@ -1448,7 +1420,7 @@ termp_fa_pre(DECL_ARGS)
 static int
 termp_bd_pre(DECL_ARGS)
 {
-	size_t			 tabwidth, lm, len, rm, rmax;
+	size_t			 lm, len;
 	struct roff_node	*nn;
 	int			 offset;
 
@@ -1464,15 +1436,15 @@ termp_bd_pre(DECL_ARGS)
 	    ! strcmp(n->norm->Bd.offs, "left"))
 		/* nothing */;
 	else if ( ! strcmp(n->norm->Bd.offs, "indent"))
-		p->offset += term_len(p, p->defindent + 1);
+		p->tcol->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);
+		p->tcol->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;
+		if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
+			p->tcol->offset = 0;
 		else if (offset < SHRT_MAX)
-			p->offset += offset;
+			p->tcol->offset += offset;
 	}
 
 	/*
@@ -1483,29 +1455,29 @@ termp_bd_pre(DECL_ARGS)
 	 * lines are allowed.
 	 */
 
-	if (DISP_literal != n->norm->Bd.type &&
-	    DISP_unfilled != n->norm->Bd.type &&
-	    DISP_centered != n->norm->Bd.type)
+	if (n->norm->Bd.type != DISP_literal &&
+	    n->norm->Bd.type != DISP_unfilled &&
+	    n->norm->Bd.type != DISP_centered)
 		return 1;
 
-	tabwidth = p->tabwidth;
-	if (DISP_literal == n->norm->Bd.type)
-		p->tabwidth = term_len(p, 8);
+	if (n->norm->Bd.type == DISP_literal) {
+		term_tab_set(p, NULL);
+		term_tab_set(p, "T");
+		term_tab_set(p, "8n");
+	}
 
-	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) {
+	lm = p->tcol->offset;
+	p->flags |= TERMP_BRNEVER;
+	for (nn = n->child; nn != NULL; nn = nn->next) {
+		if (n->norm->Bd.type == DISP_centered) {
 			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;
+				p->tcol->offset = len >= p->tcol->rmargin ?
+				    0 : lm + len >= p->tcol->rmargin ?
+				    p->tcol->rmargin - len :
+				    (lm + p->tcol->rmargin - len) / 2;
 			} else
-				p->offset = lm;
+				p->tcol->offset = lm;
 		}
 		print_mdoc_node(p, pair, meta, nn);
 		/*
@@ -1514,14 +1486,13 @@ termp_bd_pre(DECL_ARGS)
 		 * notion of selective eoln whitespace is pretty dumb
 		 * anyway, so don't sweat it.
 		 */
+		if (nn->tok < ROFF_MAX)
+			continue;
 		switch (nn->tok) {
 		case MDOC_Sm:
-		case ROFF_br:
-		case MDOC_sp:
 		case MDOC_Bl:
 		case MDOC_D1:
 		case MDOC_Dl:
-		case MDOC_Lp:
 		case MDOC_Pp:
 			continue;
 		default:
@@ -1533,33 +1504,21 @@ termp_bd_pre(DECL_ARGS)
 		term_flushln(p);
 		p->flags |= TERMP_NOSPACE;
 	}
-
-	p->tabwidth = tabwidth;
-	p->rmargin = rm;
-	p->maxrmargin = rmax;
+	p->flags &= ~TERMP_BRNEVER;
 	return 0;
 }
 
 static void
 termp_bd_post(DECL_ARGS)
 {
-	size_t		 rm, rmax;
-
 	if (n->type != ROFFT_BODY)
 		return;
-
-	rm = p->rmargin;
-	rmax = p->maxrmargin;
-
 	if (DISP_literal == n->norm->Bd.type ||
 	    DISP_unfilled == n->norm->Bd.type)
-		p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
-
+		p->flags |= TERMP_BRNEVER;
 	p->flags |= TERMP_NOSPACE;
 	term_newln(p);
-
-	p->rmargin = rm;
-	p->maxrmargin = rmax;
+	p->flags &= ~TERMP_BRNEVER;
 }
 
 static int
@@ -1594,17 +1553,21 @@ termp_ss_pre(DECL_ARGS)
 	case ROFFT_BLOCK:
 		term_newln(p);
 		for (nn = n->prev; nn != NULL; nn = nn->prev)
-			if ((nn->flags & NODE_NOPRT) == 0)
+			if (nn->type != ROFFT_COMMENT &&
+			    (nn->flags & NODE_NOPRT) == 0)
 				break;
 		if (nn != NULL)
 			term_vspace(p);
 		break;
 	case ROFFT_HEAD:
 		term_fontpush(p, TERMFONT_BOLD);
-		p->offset = term_len(p, (p->defindent+1)/2);
+		p->tcol->offset = term_len(p, (p->defindent+1)/2);
 		break;
 	case ROFFT_BODY:
-		p->offset = term_len(p, p->defindent);
+		p->tcol->offset = term_len(p, p->defindent);
+		term_tab_set(p, NULL);
+		term_tab_set(p, "T");
+		term_tab_set(p, ".5i");
 		break;
 	default:
 		break;
@@ -1664,37 +1627,10 @@ termp_in_post(DECL_ARGS)
 }
 
 static int
-termp_sp_pre(DECL_ARGS)
+termp_pp_pre(DECL_ARGS)
 {
-	struct roffsu	 su;
-	int		 i, len;
-
-	switch (n->tok) {
-	case MDOC_sp:
-		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 ROFF_br:
-		len = 0;
-		break;
-	default:
-		len = 1;
-		fn_prio = 0;
-		break;
-	}
-
-	if (0 == len)
-		term_newln(p);
-	else if (len < 0)
-		p->skipvsp -= len;
-	else
-		for (i = 0; i < len; i++)
-			term_vspace(p);
-
+	fn_prio = 0;
+	term_vspace(p);
 	return 0;
 }
 
@@ -1732,7 +1668,7 @@ termp_quote_pre(DECL_ARGS)
 		/* FALLTHROUGH */
 	case MDOC_Do:
 	case MDOC_Dq:
-		term_word(p, "\\(Lq");
+		term_word(p, "\\(lq");
 		break;
 	case MDOC_En:
 		if (NULL == n->norm->Es ||
@@ -1790,7 +1726,7 @@ termp_quote_post(DECL_ARGS)
 		/* FALLTHROUGH */
 	case MDOC_Do:
 	case MDOC_Dq:
-		term_word(p, "\\(Rq");
+		term_word(p, "\\(rq");
 		break;
 	case MDOC_En:
 		if (n->norm->Es == NULL ||
@@ -1875,8 +1811,8 @@ termp_fo_pre(DECL_ARGS)
 		return 1;
 	} else if (n->type == ROFFT_BODY) {
 		if (pretty) {
-			rmargin = p->rmargin;
-			p->rmargin = p->offset + term_len(p, 4);
+			rmargin = p->tcol->rmargin;
+			p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
 			p->flags |= TERMP_NOBREAK | TERMP_BRIND |
 					TERMP_HANG;
 		}
@@ -1887,8 +1823,9 @@ termp_fo_pre(DECL_ARGS)
 			term_flushln(p);
 			p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
 					TERMP_HANG);
-			p->offset = p->rmargin;
-			p->rmargin = rmargin;
+			p->flags |= TERMP_NOPAD;
+			p->tcol->offset = p->tcol->rmargin;
+			p->tcol->rmargin = rmargin;
 		}
 		return 1;
 	}
@@ -2006,16 +1943,23 @@ termp_li_pre(DECL_ARGS)
 static int
 termp_lk_pre(DECL_ARGS)
 {
-	const struct roff_node *link, *descr;
-	int display;
+	const struct roff_node *link, *descr, *punct;
 
 	if ((link = n->child) == NULL)
 		return 0;
 
+	/* Find beginning of trailing punctuation. */
+	punct = n->last;
+	while (punct != link && punct->flags & NODE_DELIMC)
+		punct = punct->prev;
+	punct = punct->next;
+
 	/* Link text. */
-	if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
+	if ((descr = link->next) != NULL && descr != punct) {
 		term_fontpush(p, TERMFONT_UNDER);
-		while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
+		while (descr != punct) {
+			if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
+				p->flags |= TERMP_NOSPACE;
 			term_word(p, descr->string);
 			descr = descr->next;
 		}
@@ -2025,23 +1969,16 @@ termp_lk_pre(DECL_ARGS)
 	}
 
 	/* Link target. */
-	display = term_strlen(p, link->string) >= 26;
-	if (display) {
-		term_newln(p);
-		p->offset += term_len(p, p->defindent + 1);
-	}
 	term_fontpush(p, TERMFONT_BOLD);
 	term_word(p, link->string);
 	term_fontpop(p);
 
 	/* Trailing punctuation. */
-	while (descr != NULL) {
+	while (punct != NULL) {
 		p->flags |= TERMP_NOSPACE;
-		term_word(p, descr->string);
-		descr = descr->next;
+		term_word(p, punct->string);
+		punct = punct->next;
 	}
-	if (display)
-		term_newln(p);
 	return 0;
 }
 
@@ -2159,4 +2096,10 @@ termp_tag_pre(DECL_ARGS)
 	      n->parent->parent->parent->tok == MDOC_It)))
 		tag_put(n->child->string, 1, p->line);
 	return 1;
+}
+
+static int
+termp_abort_pre(DECL_ARGS)
+{
+	abort();
 }