===================================================================
RCS file: /cvs/mandoc/mdoc_term.c,v
retrieving revision 1.321
retrieving revision 1.333
diff -u -p -r1.321 -r1.333
--- mandoc/mdoc_term.c	2015/07/25 14:02:06	1.321
+++ mandoc/mdoc_term.c	2016/11/08 16:04:57	1.333
@@ -1,7 +1,7 @@
-/*	$Id: mdoc_term.c,v 1.321 2015/07/25 14:02:06 schwarze Exp $ */
+/*	$Id: mdoc_term.c,v 1.333 2016/11/08 16:04:57 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2012-2016 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -95,6 +95,7 @@ static	int	  termp_bx_pre(DECL_ARGS);
 static	int	  termp_cd_pre(DECL_ARGS);
 static	int	  termp_d1_pre(DECL_ARGS);
 static	int	  termp_eo_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);
@@ -145,8 +146,8 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_under_pre, NULL }, /* Ar */
 	{ termp_cd_pre, NULL }, /* Cd */
 	{ termp_bold_pre, NULL }, /* Cm */
-	{ NULL, NULL }, /* Dv */
-	{ NULL, NULL }, /* Er */
+	{ 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 */
@@ -251,6 +252,7 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_ll_pre, NULL }, /* ll */
 };
 
+static	int	 fn_prio;
 
 void
 terminal_mdoc(void *arg, const struct roff_man *mdoc)
@@ -355,7 +357,7 @@ print_mdoc_node(DECL_ARGS)
 		break;
 	default:
 		if (termacts[n->tok].pre &&
-		    (n->end == ENDBODY_NOT || n->nchild))
+		    (n->end == ENDBODY_NOT || n->child != NULL))
 			chld = (*termacts[n->tok].pre)
 				(p, &npair, meta, n);
 		break;
@@ -533,7 +535,7 @@ a2width(const struct termp *p, const char *v)
 		SCALE_HS_INIT(&su, term_strlen(p, v));
 		su.scale /= term_strlen(p, "0");
 	}
-	return(term_hspan(p, &su) / 24);
+	return term_hspan(p, &su) / 24;
 }
 
 /*
@@ -596,8 +598,8 @@ 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
@@ -611,7 +613,7 @@ termp_it_pre(DECL_ARGS)
 
 	if (n->type == ROFFT_BLOCK) {
 		print_bvspace(p, n->parent->parent, n);
-		return(1);
+		return 1;
 	}
 
 	bl = n->parent->parent->parent;
@@ -623,20 +625,16 @@ termp_it_pre(DECL_ARGS)
 
 	switch (type) {
 	case LIST_bullet:
-		/* FALLTHROUGH */
 	case LIST_dash:
-		/* FALLTHROUGH */
 	case LIST_hyphen:
-		/* FALLTHROUGH */
 	case LIST_enum:
 		width = term_len(p, 2);
 		break;
 	case LIST_hang:
+	case LIST_tag:
 		width = term_len(p, 8);
 		break;
 	case LIST_column:
-		/* FALLTHROUGH */
-	case LIST_tag:
 		width = term_len(p, 10);
 		break;
 	default:
@@ -733,7 +731,7 @@ termp_it_pre(DECL_ARGS)
 			term_word(p, "\\ \\ ");
 		break;
 	case LIST_inset:
-		if (n->type == ROFFT_BODY && n->parent->head->nchild)
+		if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
 			term_word(p, "\\ ");
 		break;
 	default:
@@ -760,16 +758,13 @@ termp_it_pre(DECL_ARGS)
 
 	switch (type) {
 	case LIST_enum:
+	case LIST_bullet:
+	case LIST_dash:
+	case LIST_hyphen:
 		/*
 		 * Weird special case.
 		 * Some very narrow lists actually hang.
 		 */
-		/* FALLTHROUGH */
-	case LIST_bullet:
-		/* FALLTHROUGH */
-	case LIST_dash:
-		/* FALLTHROUGH */
-	case LIST_hyphen:
 		if (width <= (int)term_len(p, 2))
 			p->flags |= TERMP_HANG;
 		if (n->type != ROFFT_HEAD)
@@ -800,7 +795,7 @@ termp_it_pre(DECL_ARGS)
 		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)
@@ -852,13 +847,9 @@ termp_it_pre(DECL_ARGS)
 			break;
 		/* FALLTHROUGH */
 	case LIST_bullet:
-		/* FALLTHROUGH */
 	case LIST_dash:
-		/* FALLTHROUGH */
 	case LIST_enum:
-		/* FALLTHROUGH */
 	case LIST_hyphen:
-		/* FALLTHROUGH */
 	case LIST_tag:
 		if (n->type == ROFFT_HEAD)
 			p->rmargin = p->offset + width;
@@ -894,10 +885,9 @@ 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:
@@ -916,26 +906,22 @@ 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 (n->type == ROFFT_HEAD)
-			return(0);
+			return 0;
 		break;
 	case LIST_column:
 		if (n->type == ROFFT_HEAD)
-			return(0);
+			return 0;
 		break;
 	default:
 		break;
 	}
 
-	return(1);
+	return 1;
 }
 
 static void
@@ -950,9 +936,7 @@ termp_it_post(DECL_ARGS)
 
 	switch (type) {
 	case LIST_item:
-		/* FALLTHROUGH */
 	case LIST_diag:
-		/* FALLTHROUGH */
 	case LIST_inset:
 		if (n->type == ROFFT_BODY)
 			term_newln(p);
@@ -972,7 +956,7 @@ 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;
 }
@@ -984,12 +968,12 @@ termp_nm_pre(DECL_ARGS)
 
 	if (n->type == ROFFT_BLOCK) {
 		p->flags |= TERMP_PREKEEP;
-		return(1);
+		return 1;
 	}
 
 	if (n->type == ROFFT_BODY) {
 		if (NULL == n->child)
-			return(0);
+			return 0;
 		p->flags |= TERMP_NOSPACE;
 		cp = NULL;
 		if (n->prev->child != NULL)
@@ -1000,11 +984,11 @@ termp_nm_pre(DECL_ARGS)
 			p->offset += term_len(p, 6);
 		else
 			p->offset += term_len(p, 1) + term_strlen(p, cp);
-		return(1);
+		return 1;
 	}
 
 	if (NULL == n->child && NULL == meta->name)
-		return(0);
+		return 0;
 
 	if (n->type == ROFFT_HEAD)
 		synopsis_pre(p, n->parent);
@@ -1029,7 +1013,7 @@ 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
@@ -1055,13 +1039,13 @@ termp_fl_pre(DECL_ARGS)
 	term_fontpush(p, TERMFONT_BOLD);
 	term_word(p, "\\-");
 
-	if ( ! (n->nchild == 0 &&
+	if (!(n->child == NULL &&
 	    (n->next == NULL ||
 	     n->next->type == ROFFT_TEXT ||
 	     n->next->flags & MDOC_LINE)))
 		p->flags |= TERMP_NOSPACE;
 
-	return(1);
+	return 1;
 }
 
 static int
@@ -1072,7 +1056,7 @@ termp__a_pre(DECL_ARGS)
 		if (NULL == n->next || MDOC__A != n->next->tok)
 			term_word(p, "and");
 
-	return(1);
+	return 1;
 }
 
 static int
@@ -1082,12 +1066,12 @@ termp_an_pre(DECL_ARGS)
 	if (n->norm->An.auth == AUTH_split) {
 		p->flags &= ~TERMP_NOSPLIT;
 		p->flags |= TERMP_SPLIT;
-		return(0);
+		return 0;
 	}
 	if (n->norm->An.auth == AUTH_nosplit) {
 		p->flags &= ~TERMP_SPLIT;
 		p->flags |= TERMP_NOSPLIT;
-		return(0);
+		return 0;
 	}
 
 	if (p->flags & TERMP_SPLIT)
@@ -1096,7 +1080,7 @@ termp_an_pre(DECL_ARGS)
 	if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
 		p->flags |= TERMP_SPLIT;
 
-	return(1);
+	return 1;
 }
 
 static int
@@ -1105,7 +1089,7 @@ termp_ns_pre(DECL_ARGS)
 
 	if ( ! (MDOC_LINE & n->flags))
 		p->flags |= TERMP_NOSPACE;
-	return(1);
+	return 1;
 }
 
 static int
@@ -1113,43 +1097,42 @@ termp_rs_pre(DECL_ARGS)
 {
 
 	if (SEC_SEE_ALSO != n->sec)
-		return(1);
+		return 1;
 	if (n->type == ROFFT_BLOCK && n->prev != NULL)
 		term_vspace(p);
-	return(1);
+	return 1;
 }
 
 static int
 termp_rv_pre(DECL_ARGS)
 {
-	int		 nchild;
+	struct roff_node *nch;
 
 	term_newln(p);
 
-	nchild = n->nchild;
-	if (nchild > 0) {
+	if (n->child != NULL) {
 		term_word(p, "The");
 
-		for (n = n->child; n; n = n->next) {
+		for (nch = n->child; nch != NULL; nch = nch->next) {
 			term_fontpush(p, TERMFONT_BOLD);
-			term_word(p, n->string);
+			term_word(p, nch->string);
 			term_fontpop(p);
 
 			p->flags |= TERMP_NOSPACE;
 			term_word(p, "()");
 
-			if (n->next == NULL)
+			if (nch->next == NULL)
 				continue;
 
-			if (nchild > 2) {
+			if (nch->prev != NULL || nch->next->next != NULL) {
 				p->flags |= TERMP_NOSPACE;
 				term_word(p, ",");
 			}
-			if (n->next->next == NULL)
+			if (nch->next->next == NULL)
 				term_word(p, "and");
 		}
 
-		if (nchild > 1)
+		if (n->child != NULL && n->child->next != NULL)
 			term_word(p, "functions return");
 		else
 			term_word(p, "function returns");
@@ -1169,33 +1152,35 @@ termp_rv_pre(DECL_ARGS)
 	term_word(p, "is set to indicate the error.");
 	p->flags |= TERMP_SENTENCE;
 
-	return(0);
+	return 0;
 }
 
 static int
 termp_ex_pre(DECL_ARGS)
 {
-	int		 nchild;
+	struct roff_node *nch;
 
 	term_newln(p);
 	term_word(p, "The");
 
-	nchild = n->nchild;
-	for (n = n->child; n; n = n->next) {
+	for (nch = n->child; nch != NULL; nch = nch->next) {
 		term_fontpush(p, TERMFONT_BOLD);
-		term_word(p, n->string);
+		term_word(p, nch->string);
 		term_fontpop(p);
 
-		if (nchild > 2 && n->next) {
+		if (nch->next == NULL)
+			continue;
+
+		if (nch->prev != NULL || nch->next->next != NULL) {
 			p->flags |= TERMP_NOSPACE;
 			term_word(p, ",");
 		}
 
-		if (n->next && NULL == n->next->next)
+		if (nch->next->next == NULL)
 			term_word(p, "and");
 	}
 
-	if (nchild > 1)
+	if (n->child != NULL && n->child->next != NULL)
 		term_word(p, "utilities exit\\~0");
 	else
 		term_word(p, "utility exits\\~0");
@@ -1203,7 +1188,7 @@ termp_ex_pre(DECL_ARGS)
 	term_word(p, "on success, and\\~>0 if an error occurs.");
 
 	p->flags |= TERMP_SENTENCE;
-	return(0);
+	return 0;
 }
 
 static int
@@ -1212,14 +1197,14 @@ termp_nd_pre(DECL_ARGS)
 
 	if (n->type == ROFFT_BODY)
 		term_word(p, "\\(en");
-	return(1);
+	return 1;
 }
 
 static int
 termp_bl_pre(DECL_ARGS)
 {
 
-	return(n->type != ROFFT_HEAD);
+	return n->type != ROFFT_HEAD;
 }
 
 static void
@@ -1235,13 +1220,13 @@ termp_xr_pre(DECL_ARGS)
 {
 
 	if (NULL == (n = n->child))
-		return(0);
+		return 0;
 
 	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, "(");
@@ -1253,7 +1238,7 @@ termp_xr_pre(DECL_ARGS)
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, ")");
 
-	return(0);
+	return 0;
 }
 
 /*
@@ -1291,13 +1276,9 @@ synopsis_pre(struct termp *p, const struct roff_node *
 	 */
 	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;
@@ -1319,14 +1300,14 @@ termp_vt_pre(DECL_ARGS)
 
 	if (n->type == ROFFT_ELEM) {
 		synopsis_pre(p, n);
-		return(termp_under_pre(p, pair, meta, n));
+		return termp_under_pre(p, pair, meta, n);
 	} else if (n->type == ROFFT_BLOCK) {
 		synopsis_pre(p, n);
-		return(1);
+		return 1;
 	} else if (n->type == ROFFT_HEAD)
-		return(0);
+		return 0;
 
-	return(termp_under_pre(p, pair, meta, n));
+	return termp_under_pre(p, pair, meta, n);
 }
 
 static int
@@ -1335,7 +1316,7 @@ termp_bold_pre(DECL_ARGS)
 
 	termp_tag_pre(p, pair, meta, n);
 	term_fontpush(p, TERMFONT_BOLD);
-	return(1);
+	return 1;
 }
 
 static int
@@ -1343,7 +1324,7 @@ 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
@@ -1364,7 +1345,7 @@ termp_sh_pre(DECL_ARGS)
 		 * when the previous section was empty.
 		 */
 		if (n->prev == NULL ||
-		    MDOC_Sh != n->prev->tok ||
+		    n->prev->tok != MDOC_Sh ||
 		    (n->prev->body != NULL &&
 		     n->prev->body->child != NULL))
 			term_vspace(p);
@@ -1374,13 +1355,21 @@ termp_sh_pre(DECL_ARGS)
 		break;
 	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
@@ -1406,7 +1395,7 @@ termp_bt_pre(DECL_ARGS)
 
 	term_word(p, "is currently in beta test.");
 	p->flags |= TERMP_SENTENCE;
-	return(0);
+	return 0;
 }
 
 static void
@@ -1423,7 +1412,7 @@ termp_ud_pre(DECL_ARGS)
 
 	term_word(p, "currently under development.");
 	p->flags |= TERMP_SENTENCE;
-	return(0);
+	return 0;
 }
 
 static int
@@ -1431,10 +1420,10 @@ termp_d1_pre(DECL_ARGS)
 {
 
 	if (n->type != ROFFT_BLOCK)
-		return(1);
+		return 1;
 	term_newln(p);
 	p->offset += term_len(p, p->defindent + 1);
-	return(1);
+	return 1;
 }
 
 static int
@@ -1444,7 +1433,7 @@ termp_ft_pre(DECL_ARGS)
 	/* NB: MDOC_LINE does not effect this! */
 	synopsis_pre(p, n);
 	term_fontpush(p, TERMFONT_UNDER);
-	return(1);
+	return 1;
 }
 
 static int
@@ -1458,7 +1447,7 @@ termp_fn_pre(DECL_ARGS)
 	synopsis_pre(p, n);
 
 	if (NULL == (n = n->child))
-		return(0);
+		return 0;
 
 	if (pretty) {
 		rmargin = p->rmargin;
@@ -1471,6 +1460,9 @@ termp_fn_pre(DECL_ARGS)
 	term_word(p, n->string);
 	term_fontpop(p);
 
+	if (n->sec == SEC_DESCRIPTION)
+		tag_put(n->string, ++fn_prio, p->line);
+
 	if (pretty) {
 		term_flushln(p);
 		p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
@@ -1505,7 +1497,7 @@ termp_fn_pre(DECL_ARGS)
 		term_flushln(p);
 	}
 
-	return(0);
+	return 0;
 }
 
 static int
@@ -1515,7 +1507,7 @@ termp_fa_pre(DECL_ARGS)
 
 	if (n->parent->tok != MDOC_Fo) {
 		term_fontpush(p, TERMFONT_UNDER);
-		return(1);
+		return 1;
 	}
 
 	for (nn = n->child; nn; nn = nn->next) {
@@ -1530,7 +1522,7 @@ termp_fa_pre(DECL_ARGS)
 		}
 	}
 
-	return(0);
+	return 0;
 }
 
 static int
@@ -1542,9 +1534,9 @@ termp_bd_pre(DECL_ARGS)
 
 	if (n->type == ROFFT_BLOCK) {
 		print_bvspace(p, n, n);
-		return(1);
+		return 1;
 	} else if (n->type == ROFFT_HEAD)
-		return(0);
+		return 0;
 
 	/* Handle the -offset argument. */
 
@@ -1574,7 +1566,7 @@ termp_bd_pre(DECL_ARGS)
 	if (DISP_literal != n->norm->Bd.type &&
 	    DISP_unfilled != n->norm->Bd.type &&
 	    DISP_centered != n->norm->Bd.type)
-		return(1);
+		return 1;
 
 	tabwidth = p->tabwidth;
 	if (DISP_literal == n->norm->Bd.type)
@@ -1604,19 +1596,12 @@ 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:
@@ -1632,7 +1617,7 @@ termp_bd_pre(DECL_ARGS)
 	p->tabwidth = tabwidth;
 	p->rmargin = rm;
 	p->maxrmargin = rmax;
-	return(0);
+	return 0;
 }
 
 static void
@@ -1667,7 +1652,7 @@ termp_bx_pre(DECL_ARGS)
 		term_word(p, "BSD");
 	} else {
 		term_word(p, "BSD");
-		return(0);
+		return 0;
 	}
 
 	if (NULL != (n = n->next)) {
@@ -1677,7 +1662,7 @@ termp_bx_pre(DECL_ARGS)
 		term_word(p, n->string);
 	}
 
-	return(0);
+	return 0;
 }
 
 static int
@@ -1708,7 +1693,6 @@ termp_xx_pre(DECL_ARGS)
 		break;
 	default:
 		abort();
-		/* NOTREACHED */
 	}
 
 	term_word(p, pp);
@@ -1718,7 +1702,7 @@ termp_xx_pre(DECL_ARGS)
 		term_word(p, n->child->string);
 		p->flags = flags;
 	}
-	return(0);
+	return 0;
 }
 
 static void
@@ -1750,7 +1734,7 @@ termp_ss_pre(DECL_ARGS)
 		break;
 	}
 
-	return(1);
+	return 1;
 }
 
 static void
@@ -1767,7 +1751,7 @@ termp_cd_pre(DECL_ARGS)
 
 	synopsis_pre(p, n);
 	term_fontpush(p, TERMFONT_BOLD);
-	return(1);
+	return 1;
 }
 
 static int
@@ -1786,7 +1770,7 @@ termp_in_pre(DECL_ARGS)
 	}
 
 	p->flags |= TERMP_NOSPACE;
-	return(1);
+	return 1;
 }
 
 static void
@@ -1823,6 +1807,7 @@ termp_sp_pre(DECL_ARGS)
 		break;
 	default:
 		len = 1;
+		fn_prio = 0;
 		break;
 	}
 
@@ -1834,14 +1819,14 @@ termp_sp_pre(DECL_ARGS)
 		for (i = 0; i < len; i++)
 			term_vspace(p);
 
-	return(0);
+	return 0;
 }
 
 static int
 termp_skip_pre(DECL_ARGS)
 {
 
-	return(0);
+	return 0;
 }
 
 static int
@@ -1849,66 +1834,54 @@ termp_quote_pre(DECL_ARGS)
 {
 
 	if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
-		return(1);
+		return 1;
 
 	switch (n->tok) {
 	case MDOC_Ao:
-		/* FALLTHROUGH */
 	case MDOC_Aq:
-		term_word(p, n->nchild == 1 &&
+		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");
 		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_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
@@ -1922,27 +1895,21 @@ termp_quote_post(DECL_ARGS)
 
 	switch (n->tok) {
 	case MDOC_Ao:
-		/* FALLTHROUGH */
 	case MDOC_Aq:
-		term_word(p, n->nchild == 1 &&
+		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");
 		break;
@@ -1955,27 +1922,21 @@ termp_quote_post(DECL_ARGS)
 			term_word(p, n->norm->Es->child->next->string);
 		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 */
 	}
 }
 
@@ -1984,7 +1945,7 @@ termp_eo_pre(DECL_ARGS)
 {
 
 	if (n->type != ROFFT_BODY)
-		return(1);
+		return 1;
 
 	if (n->end == ENDBODY_NOT &&
 	    n->parent->head->child == NULL &&
@@ -1996,7 +1957,7 @@ termp_eo_pre(DECL_ARGS)
 	     (n->parent->tail != NULL && n->parent->tail->child != NULL)))
 		p->flags |= TERMP_NOSPACE;
 
-	return(1);
+	return 1;
 }
 
 static void
@@ -2033,7 +1994,7 @@ termp_fo_pre(DECL_ARGS)
 
 	if (n->type == ROFFT_BLOCK) {
 		synopsis_pre(p, n);
-		return(1);
+		return 1;
 	} else if (n->type == ROFFT_BODY) {
 		if (pretty) {
 			rmargin = p->rmargin;
@@ -2051,18 +2012,18 @@ 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
@@ -2087,9 +2048,9 @@ termp_bf_pre(DECL_ARGS)
 {
 
 	if (n->type == ROFFT_HEAD)
-		return(0);
+		return 0;
 	else if (n->type != ROFFT_BODY)
-		return(1);
+		return 1;
 
 	if (FONT_Em == n->norm->Bf.font)
 		term_fontpush(p, TERMFONT_UNDER);
@@ -2098,7 +2059,7 @@ termp_bf_pre(DECL_ARGS)
 	else
 		term_fontpush(p, TERMFONT_NONE);
 
-	return(1);
+	return 1;
 }
 
 static int
@@ -2115,7 +2076,7 @@ termp_sm_pre(DECL_ARGS)
 	if (p->col && ! (TERMP_NONOSPACE & p->flags))
 		p->flags &= ~TERMP_NOSPACE;
 
-	return(0);
+	return 0;
 }
 
 static int
@@ -2125,7 +2086,7 @@ termp_ap_pre(DECL_ARGS)
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, "'");
 	p->flags |= TERMP_NOSPACE;
-	return(1);
+	return 1;
 }
 
 static void
@@ -2160,7 +2121,7 @@ termp_li_pre(DECL_ARGS)
 {
 
 	term_fontpush(p, TERMFONT_NONE);
-	return(1);
+	return 1;
 }
 
 static int
@@ -2169,7 +2130,7 @@ termp_lk_pre(DECL_ARGS)
 	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);
@@ -2186,7 +2147,7 @@ termp_lk_pre(DECL_ARGS)
 	term_word(p, link->string);
 	term_fontpop(p);
 
-	return(0);
+	return 0;
 }
 
 static int
@@ -2197,17 +2158,16 @@ termp_bk_pre(DECL_ARGS)
 	case ROFFT_BLOCK:
 		break;
 	case ROFFT_HEAD:
-		return(0);
+		return 0;
 	case ROFFT_BODY:
-		if (n->parent->args || 0 == n->prev->nchild)
+		if (n->parent->args != NULL || n->prev->child == NULL)
 			p->flags |= TERMP_PREKEEP;
 		break;
 	default:
 		abort();
-		/* NOTREACHED */
 	}
 
-	return(1);
+	return 1;
 }
 
 static void
@@ -2243,10 +2203,10 @@ 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
@@ -2254,21 +2214,34 @@ termp_under_pre(DECL_ARGS)
 {
 
 	term_fontpush(p, TERMFONT_UNDER);
-	return(1);
+	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 == 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_get(n->child->string, 0, 1))
-		tag_put(n->child->string, 0, 1, p->line);
-	return(1);
+	      n->parent->parent->parent->tok == MDOC_It)))
+		tag_put(n->child->string, 1, p->line);
+	return 1;
 }