Removed TERMP_BOLD, TERMP_UNDER, TERMP_STYLE in favour of recursive-friendly increments.

Cleaned up confusing behaviour of p->flags.

6 files changed, 125 insertions, 308 deletions

diff --git a/Makefile b/Makefile
index 844cd786..db17bd22 100644
--- a/Makefile
+++ b/Makefile
@@ -156,6 +156,9 @@ compat.o: compat.c
 term.ln: term.c term.h man.h mdoc.h
 term.o: term.c term.h man.h mdoc.h
 
+tree.ln: tree.c man.h mdoc.h
+tree.o: tree.c man.h mdoc.h
+
 mdoc_argv.ln: mdoc_argv.c libmdoc.h
 mdoc_argv.o: mdoc_argv.c libmdoc.h
 
diff --git a/man_term.c b/man_term.c
index 5bcf6e6f..ed6de75d 100644
--- a/man_term.c
+++ b/man_term.c
@@ -18,7 +18,6 @@
 
 #include <assert.h>
 #include <ctype.h>
-#include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -130,11 +129,11 @@ extern	size_t		  strlcpy(char *, const char *, size_t);
 extern	size_t		  strlcat(char *, const char *, size_t);
 #endif
 
-static	void		  print_head(struct termp *, 
+static	int		  print_head(struct termp *, 
 				const struct man_meta *);
 static	void		  print_body(DECL_ARGS);
 static	void		  print_node(DECL_ARGS);
-static	void		  print_foot(struct termp *, 
+static	int		  print_foot(struct termp *, 
 				const struct man_meta *);
 static	void		  fmt_block_vspace(struct termp *, 
 				const struct man_node *);
@@ -146,7 +145,8 @@ man_run(struct termp *p, const struct man *m)
 {
 	struct mtermp	 mt;
 
-	print_head(p, man_meta(m));
+	if ( ! print_head(p, man_meta(m)))
+		return(0);
 	p->flags |= TERMP_NOSPACE;
 	assert(man_node(m));
 	assert(MAN_ROOT == man_node(m)->type);
@@ -157,7 +157,8 @@ man_run(struct termp *p, const struct man *m)
 
 	if (man_node(m)->child)
 		print_body(p, &mt, man_node(m)->child, man_meta(m));
-	print_foot(p, man_meta(m));
+	if ( ! print_foot(p, man_meta(m)))
+		return(0);
 
 	return(1);
 }
@@ -222,7 +223,7 @@ static int
 pre_I(DECL_ARGS)
 {
 
-	p->flags |= TERMP_UNDER;
+	p->under++;
 	return(1);
 }
 
@@ -232,8 +233,7 @@ static int
 pre_r(DECL_ARGS)
 {
 
-	p->flags &= ~TERMP_UNDER;
-	p->flags &= ~TERMP_BOLD;
+	p->bold = p->under = 0;
 	return(1);
 }
 
@@ -244,7 +244,7 @@ post_i(DECL_ARGS)
 {
 
 	if (n->nchild)
-		p->flags &= ~TERMP_UNDER;
+		p->under--;
 }
 
 
@@ -253,7 +253,7 @@ static void
 post_I(DECL_ARGS)
 {
 
-	p->flags &= ~TERMP_UNDER;
+	p->under--;
 }
 
 
@@ -287,12 +287,12 @@ pre_IR(DECL_ARGS)
 
 	for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
 		if ( ! (i % 2))
-			p->flags |= TERMP_UNDER;
+			p->under++;
 		if (i > 0)
 			p->flags |= TERMP_NOSPACE;
 		print_node(p, mt, nn, m);
 		if ( ! (i % 2))
-			p->flags &= ~TERMP_UNDER;
+			p->under--;
 	}
 	return(0);
 }
@@ -306,11 +306,17 @@ pre_IB(DECL_ARGS)
 	int		 i;
 
 	for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-		p->flags |= i % 2 ? TERMP_BOLD : TERMP_UNDER;
+		if (i % 2)
+			p->bold++;
+		else
+			p->under++;
 		if (i > 0)
 			p->flags |= TERMP_NOSPACE;
 		print_node(p, mt, nn, m);
-		p->flags &= i % 2 ? ~TERMP_BOLD : ~TERMP_UNDER;
+		if (i % 2)
+			p->bold--;
+		else
+			p->under--;
 	}
 	return(0);
 }
@@ -325,12 +331,12 @@ pre_RB(DECL_ARGS)
 
 	for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
 		if (i % 2)
-			p->flags |= TERMP_BOLD;
+			p->bold++;
 		if (i > 0)
 			p->flags |= TERMP_NOSPACE;
 		print_node(p, mt, nn, m);
 		if (i % 2)
-			p->flags &= ~TERMP_BOLD;
+			p->bold--;
 	}
 	return(0);
 }
@@ -345,12 +351,12 @@ pre_RI(DECL_ARGS)
 
 	for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
 		if ( ! (i % 2))
-			p->flags |= TERMP_UNDER;
+			p->under++;
 		if (i > 0)
 			p->flags |= TERMP_NOSPACE;
 		print_node(p, mt, nn, m);
 		if ( ! (i % 2))
-			p->flags &= ~TERMP_UNDER;
+			p->under--;
 	}
 	return(0);
 }
@@ -365,12 +371,12 @@ pre_BR(DECL_ARGS)
 
 	for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
 		if ( ! (i % 2))
-			p->flags |= TERMP_BOLD;
+			p->bold++;
 		if (i > 0)
 			p->flags |= TERMP_NOSPACE;
 		print_node(p, mt, nn, m);
 		if ( ! (i % 2))
-			p->flags &= ~TERMP_BOLD;
+			p->bold--;
 	}
 	return(0);
 }
@@ -384,11 +390,17 @@ pre_BI(DECL_ARGS)
 	int		 i;
 
 	for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-		p->flags |= i % 2 ? TERMP_UNDER : TERMP_BOLD;
+		if (i % 2)
+			p->under++;
+		else
+			p->bold++;
 		if (i > 0)
 			p->flags |= TERMP_NOSPACE;
 		print_node(p, mt, nn, m);
-		p->flags &= i % 2 ? ~TERMP_UNDER : ~TERMP_BOLD;
+		if (i % 2)
+			p->under--;
+		else
+			p->bold--;
 	}
 	return(0);
 }
@@ -399,7 +411,7 @@ static int
 pre_B(DECL_ARGS)
 {
 
-	p->flags |= TERMP_BOLD;
+	p->bold++;
 	return(1);
 }
 
@@ -409,7 +421,7 @@ static void
 post_B(DECL_ARGS)
 {
 
-	p->flags &= ~TERMP_BOLD;
+	p->bold--;
 }
 
 
@@ -720,7 +732,7 @@ pre_SS(DECL_ARGS)
 		term_vspace(p);
 		break;
 	case (MAN_HEAD):
-		p->flags |= TERMP_BOLD;
+		p->bold++;
 		p->offset = HALFINDENT;
 		break;
 	case (MAN_BODY):
@@ -742,7 +754,7 @@ post_SS(DECL_ARGS)
 	switch (n->type) {
 	case (MAN_HEAD):
 		term_newln(p);
-		p->flags &= ~TERMP_BOLD;
+		p->bold--;
 		break;
 	case (MAN_BODY):
 		term_newln(p);
@@ -769,7 +781,7 @@ pre_SH(DECL_ARGS)
 		term_vspace(p);
 		break;
 	case (MAN_HEAD):
-		p->flags |= TERMP_BOLD;
+		p->bold++;
 		p->offset = 0;
 		break;
 	case (MAN_BODY):
@@ -791,7 +803,7 @@ post_SH(DECL_ARGS)
 	switch (n->type) {
 	case (MAN_HEAD):
 		term_newln(p);
-		p->flags &= ~TERMP_BOLD;
+		p->bold--;
 		break;
 	case (MAN_BODY):
 		term_newln(p);
@@ -908,19 +920,19 @@ print_body(DECL_ARGS)
 }
 
 
-static void
+static int
 print_foot(struct termp *p, const struct man_meta *meta)
 {
 	struct tm	*tm;
 	char		*buf;
 
 	if (NULL == (buf = malloc(p->rmargin)))
-		err(1, "malloc");
+		return(0);
 
 	tm = localtime(&meta->date);
 
 	if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm))
-		err(1, "strftime");
+		buf[0] = 0;
 
 	term_vspace(p);
 
@@ -943,10 +955,11 @@ print_foot(struct termp *p, const struct man_meta *meta)
 	term_flushln(p);
 
 	free(buf);
+	return(1);
 }
 
 
-static void
+static int
 print_head(struct termp *p, const struct man_meta *meta)
 {
 	char		*buf, *title;
@@ -955,9 +968,9 @@ print_head(struct termp *p, const struct man_meta *meta)
 	p->offset = 0;
 
 	if (NULL == (buf = malloc(p->rmargin)))
-		err(1, "malloc");
+		return(0);
 	if (NULL == (title = malloc(p->rmargin)))
-		err(1, "malloc");
+		return(0);
 
 	if (meta->vol)
 		(void)strlcpy(buf, meta->vol, p->rmargin);
@@ -995,5 +1008,6 @@ print_head(struct termp *p, const struct man_meta *meta)
 
 	free(title);
 	free(buf);
+	return(1);
 }
 
diff --git a/mandoc.1 b/mandoc.1
index 53bda82e..936578f5 100644
--- a/mandoc.1
+++ b/mandoc.1
@@ -275,7 +275,7 @@ Each input and output format is separately noted.
 .
 .
 .Ss ASCII output
-.Bl -bullet -compact
+.Bl -bullet -compact -width Ds
 .It
 The 
 .Sq \e~
diff --git a/mdoc_term.c b/mdoc_term.c
index 99792503..8e2efd6d 100644
--- a/mdoc_term.c
+++ b/mdoc_term.c
@@ -29,59 +29,6 @@
 #define	INDENT		  5
 #define	HALFINDENT	  3
 
-#define	TTYPE_PROG	  0
-#define	TTYPE_CMD_FLAG	  1
-#define	TTYPE_CMD_ARG	  2
-#define	TTYPE_SECTION	  3
-#define	TTYPE_FUNC_DECL	  4
-#define	TTYPE_VAR_DECL	  5
-#define	TTYPE_FUNC_TYPE	  6
-#define	TTYPE_FUNC_NAME	  7
-#define	TTYPE_FUNC_ARG	  8
-#define	TTYPE_LINK	  9
-#define	TTYPE_SSECTION	  10
-#define	TTYPE_FILE	  11
-#define	TTYPE_EMPH	  12
-#define	TTYPE_CONFIG	  13
-#define	TTYPE_CMD	  14
-#define	TTYPE_INCLUDE	  15
-#define	TTYPE_SYMB	  16
-#define	TTYPE_SYMBOL	  17
-#define	TTYPE_DIAG	  18
-#define	TTYPE_LINK_ANCHOR 19
-#define	TTYPE_LINK_TEXT	  20
-#define	TTYPE_REF_JOURNAL 21
-#define	TTYPE_REF_TITLE	  22
-#define	TTYPE_LIST	  23
-#define	TTYPE_NMAX	  24
-
-const	int ttypes[TTYPE_NMAX] = {
-	TERMP_BOLD, 		/* TTYPE_PROG */
-	TERMP_BOLD,		/* TTYPE_CMD_FLAG */
-	TERMP_UNDER, 		/* TTYPE_CMD_ARG */
-	TERMP_BOLD, 		/* TTYPE_SECTION */
-	TERMP_BOLD,		/* TTYPE_FUNC_DECL */
-	TERMP_UNDER,		/* TTYPE_VAR_DECL */
-	TERMP_UNDER,		/* TTYPE_FUNC_TYPE */
-	TERMP_BOLD, 		/* TTYPE_FUNC_NAME */
-	TERMP_UNDER, 		/* TTYPE_FUNC_ARG */
-	TERMP_UNDER, 		/* TTYPE_LINK */
-	TERMP_BOLD,	 	/* TTYPE_SSECTION */
-	TERMP_UNDER,		/* TTYPE_FILE */
-	TERMP_UNDER, 		/* TTYPE_EMPH */
-	TERMP_BOLD,	 	/* TTYPE_CONFIG */
-	TERMP_BOLD,	 	/* TTYPE_CMD */
-	TERMP_BOLD,	 	/* TTYPE_INCLUDE */
-	TERMP_BOLD,	 	/* TTYPE_SYMB */
-	TERMP_BOLD,	 	/* TTYPE_SYMBOL */
-	TERMP_BOLD,	 	/* TTYPE_DIAG */
-	TERMP_UNDER, 		/* TTYPE_LINK_ANCHOR */
-	TERMP_BOLD,	 	/* TTYPE_LINK_TEXT */
-	TERMP_UNDER,	 	/* TTYPE_REF_JOURNAL */
-	TERMP_UNDER,	 	/* TTYPE_REF_TITLE */
-	TERMP_BOLD		/* TTYPE_LIST */
-};
-
 struct	termpair {
 	struct termpair	 *ppair;
 	int	  	  flag;	
@@ -124,41 +71,32 @@ static	void	  termp_sq_post(DECL_ARGS);
 static	void	  termp_ss_post(DECL_ARGS);
 static	void	  termp_vt_post(DECL_ARGS);
 
-static	int	  termp__j_pre(DECL_ARGS);
-static	int	  termp__t_pre(DECL_ARGS);
 static	int	  termp_an_pre(DECL_ARGS);
 static	int	  termp_ap_pre(DECL_ARGS);
 static	int	  termp_aq_pre(DECL_ARGS);
-static	int	  termp_ar_pre(DECL_ARGS);
 static	int	  termp_bd_pre(DECL_ARGS);
 static	int	  termp_bf_pre(DECL_ARGS);
+static	int	  termp_bold_pre(DECL_ARGS);
 static	int	  termp_bq_pre(DECL_ARGS);
 static	int	  termp_br_pre(DECL_ARGS);
 static	int	  termp_brq_pre(DECL_ARGS);
 static	int	  termp_bt_pre(DECL_ARGS);
 static	int	  termp_cd_pre(DECL_ARGS);
-static	int	  termp_cm_pre(DECL_ARGS);
 static	int	  termp_d1_pre(DECL_ARGS);
 static	int	  termp_dq_pre(DECL_ARGS);
-static	int	  termp_em_pre(DECL_ARGS);
 static	int	  termp_ex_pre(DECL_ARGS);
 static	int	  termp_fa_pre(DECL_ARGS);
-static	int	  termp_fd_pre(DECL_ARGS);
 static	int	  termp_fl_pre(DECL_ARGS);
 static	int	  termp_fn_pre(DECL_ARGS);
 static	int	  termp_fo_pre(DECL_ARGS);
 static	int	  termp_ft_pre(DECL_ARGS);
-static	int	  termp_ic_pre(DECL_ARGS);
 static	int	  termp_in_pre(DECL_ARGS);
 static	int	  termp_it_pre(DECL_ARGS);
 static	int	  termp_lk_pre(DECL_ARGS);
-static	int	  termp_ms_pre(DECL_ARGS);
-static	int	  termp_mt_pre(DECL_ARGS);
 static	int	  termp_nd_pre(DECL_ARGS);
 static	int	  termp_nm_pre(DECL_ARGS);
 static	int	  termp_ns_pre(DECL_ARGS);
 static	int	  termp_op_pre(DECL_ARGS);
-static	int	  termp_pa_pre(DECL_ARGS);
 static	int	  termp_pf_pre(DECL_ARGS);
 static	int	  termp_pp_pre(DECL_ARGS);
 static	int	  termp_pq_pre(DECL_ARGS);
@@ -170,11 +108,8 @@ static	int	  termp_sm_pre(DECL_ARGS);
 static	int	  termp_sp_pre(DECL_ARGS);
 static	int	  termp_sq_pre(DECL_ARGS);
 static	int	  termp_ss_pre(DECL_ARGS);
-static	int	  termp_sx_pre(DECL_ARGS);
-static	int	  termp_sy_pre(DECL_ARGS);
+static	int	  termp_under_pre(DECL_ARGS);
 static	int	  termp_ud_pre(DECL_ARGS);
-static	int	  termp_va_pre(DECL_ARGS);
-static	int	  termp_vt_pre(DECL_ARGS);
 static	int	  termp_xr_pre(DECL_ARGS);
 static	int	  termp_xx_pre(DECL_ARGS);
 
@@ -195,41 +130,41 @@ static const struct termact termacts[MDOC_MAX] = {
 	{ termp_it_pre, termp_it_post }, /* It */
 	{ NULL, NULL }, /* Ad */ 
 	{ termp_an_pre, termp_an_post }, /* An */
-	{ termp_ar_pre, NULL }, /* Ar */
+	{ termp_under_pre, NULL }, /* Ar */
 	{ termp_cd_pre, NULL }, /* Cd */
-	{ termp_cm_pre, NULL }, /* Cm */
+	{ termp_bold_pre, NULL }, /* Cm */
 	{ NULL, NULL }, /* Dv */ 
 	{ NULL, NULL }, /* Er */ 
 	{ NULL, NULL }, /* Ev */ 
 	{ termp_ex_pre, NULL }, /* Ex */
 	{ termp_fa_pre, NULL }, /* Fa */ 
-	{ termp_fd_pre, termp_fd_post }, /* Fd */ 
+	{ termp_bold_pre, termp_fd_post }, /* Fd */ 
 	{ termp_fl_pre, NULL }, /* Fl */
 	{ termp_fn_pre, termp_fn_post }, /* Fn */ 
 	{ termp_ft_pre, termp_ft_post }, /* Ft */ 
-	{ termp_ic_pre, NULL }, /* Ic */ 
+	{ termp_bold_pre, NULL }, /* Ic */ 
 	{ termp_in_pre, termp_in_post }, /* In */ 
 	{ NULL, NULL }, /* Li */
 	{ termp_nd_pre, NULL }, /* Nd */ 
 	{ termp_nm_pre, NULL }, /* Nm */ 
 	{ termp_op_pre, termp_op_post }, /* Op */
 	{ NULL, NULL }, /* Ot */
-	{ termp_pa_pre, NULL }, /* Pa */
+	{ termp_under_pre, NULL }, /* Pa */
 	{ termp_rv_pre, NULL }, /* Rv */
 	{ NULL, NULL }, /* St */ 
-	{ termp_va_pre, NULL }, /* Va */
-	{ termp_vt_pre, termp_vt_post }, /* Vt */ 
+	{ termp_under_pre, NULL }, /* Va */
+	{ termp_under_pre, termp_vt_post }, /* Vt */  /* FIXME: type name */
 	{ termp_xr_pre, NULL }, /* Xr */
 	{ NULL, termp____post }, /* %A */
 	{ NULL, termp____post }, /* %B */
 	{ NULL, termp____post }, /* %D */
 	{ NULL, termp____post }, /* %I */
-	{ termp__j_pre, termp____post }, /* %J */
+	{ termp_under_pre, termp____post }, /* %J */
 	{ NULL, termp____post }, /* %N */
 	{ NULL, termp____post }, /* %O */
 	{ NULL, termp____post }, /* %P */
 	{ NULL, termp____post }, /* %R */
-	{ termp__t_pre, termp____post }, /* %T */
+	{ termp_under_pre, termp____post }, /* %T */
 	{ NULL, termp____post }, /* %V */
 	{ NULL, NULL }, /* Ac */
 	{ termp_aq_pre, termp_aq_post }, /* Ao */
@@ -247,10 +182,10 @@ static const struct termact termacts[MDOC_MAX] = {
 	{ termp_dq_pre, termp_dq_post }, /* Dq */
 	{ NULL, NULL }, /* Ec */
 	{ NULL, NULL }, /* Ef */
-	{ termp_em_pre, NULL }, /* Em */ 
+	{ termp_under_pre, NULL }, /* Em */ 
 	{ NULL, NULL }, /* Eo */
 	{ termp_xx_pre, NULL }, /* Fx */
-	{ termp_ms_pre, NULL }, /* Ms */
+	{ termp_bold_pre, NULL }, /* Ms */
 	{ NULL, NULL }, /* No */
 	{ termp_ns_pre, NULL }, /* Ns */
 	{ termp_xx_pre, NULL }, /* Nx */
@@ -269,8 +204,8 @@ static const struct termact termacts[MDOC_MAX] = {
 	{ termp_sq_pre, termp_sq_post }, /* So */
 	{ termp_sq_pre, termp_sq_post }, /* Sq */
 	{ termp_sm_pre, NULL }, /* Sm */
-	{ termp_sx_pre, NULL }, /* Sx */
-	{ termp_sy_pre, NULL }, /* Sy */
+	{ termp_under_pre, NULL }, /* Sx */
+	{ termp_bold_pre, NULL }, /* Sy */
 	{ NULL, NULL }, /* Tn */
 	{ termp_xx_pre, NULL }, /* Ux */
 	{ NULL, NULL }, /* Xc */
@@ -288,7 +223,7 @@ static const struct termact termacts[MDOC_MAX] = {
 	{ NULL, termp_lb_post }, /* Lb */
 	{ termp_pp_pre, NULL }, /* Lp */ 
 	{ termp_lk_pre, NULL }, /* Lk */ 
-	{ termp_mt_pre, NULL }, /* Mt */ 
+	{ termp_under_pre, NULL }, /* Mt */ 
 	{ termp_brq_pre, termp_brq_post }, /* Brq */ 
 	{ termp_brq_pre, termp_brq_post }, /* Bro */ 
 	{ NULL, NULL }, /* Brc */ 
@@ -355,13 +290,15 @@ print_body(DECL_ARGS)
 static void
 print_node(DECL_ARGS)
 {
-	int		 dochild;
+	int		 dochild, bold, under;
 	struct termpair	 npair;
 	size_t		 offset, rmargin;
 
 	dochild = 1;
 	offset = p->offset;
 	rmargin = p->rmargin;
+	bold = p->bold;
+	under = p->under;
 
 	npair.ppair = pair;
 	npair.flag = 0;
@@ -383,12 +320,11 @@ print_node(DECL_ARGS)
 
 	/* Children. */
 
-	p->flags |= npair.flag;
-
 	if (dochild && node->child)
 		print_body(p, &npair, meta, node->child);
 
-	p->flags &= ~npair.flag;
+	p->bold = bold;
+	p->under = under;
 
 	/* Post-processing. */
 
@@ -873,14 +809,10 @@ termp_it_pre(DECL_ARGS)
 
 	p->flags |= TERMP_NOSPACE;
 
-	/*
-	 * Style flags.  Diagnostic heads need TTYPE_DIAG.
-	 */
-
 	switch (type) {
 	case (MDOC_Diag):
 		if (MDOC_HEAD == node->type)
-			p->flags |= ttypes[TTYPE_DIAG];
+			p->bold++;
 		break;
 	default:
 		break;
@@ -1018,16 +950,16 @@ termp_it_pre(DECL_ARGS)
 	if (MDOC_HEAD == node->type)
 		switch (type) {
 		case (MDOC_Bullet):
-			p->flags |= TERMP_BOLD;
+			p->bold++;
 			term_word(p, "\\[bu]");
-			p->flags &= ~TERMP_BOLD;
+			p->bold--;
 			break;
 		case (MDOC_Dash):
 			/* FALLTHROUGH */
 		case (MDOC_Hyphen):
-			p->flags |= TERMP_BOLD;
+			p->bold++;
 			term_word(p, "\\(hy");
-			p->flags &= ~TERMP_BOLD;
+			p->bold--;
 			break;
 		case (MDOC_Enum):
 			(pair->ppair->ppair->count)++;
@@ -1109,13 +1041,9 @@ termp_nm_pre(DECL_ARGS)
 
 	if (SEC_SYNOPSIS == node->sec)
 		term_newln(p);
-
-	pair->flag |= ttypes[TTYPE_PROG];
-	p->flags |= ttypes[TTYPE_PROG];
-
+	p->bold++;
 	if (NULL == node->child)
 		term_word(p, meta->name);
-
 	return(1);
 }
 
@@ -1125,8 +1053,7 @@ static int
 termp_fl_pre(DECL_ARGS)
 {
 
-	pair->flag |= ttypes[TTYPE_CMD_FLAG];
-	p->flags |= ttypes[TTYPE_CMD_FLAG];
+	p->bold++;
 	term_word(p, "\\-");
 	p->flags |= TERMP_NOSPACE;
 	return(1);
@@ -1194,16 +1121,6 @@ termp_an_post(DECL_ARGS)
 
 /* ARGSUSED */
 static int
-termp_ar_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_CMD_ARG];
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
 termp_ns_pre(DECL_ARGS)
 {
 
@@ -1245,9 +1162,9 @@ termp_rv_pre(DECL_ARGS)
 	nn = node->child;
 	assert(nn);
 	for ( ; nn; nn = nn->next) {
-		p->flags |= ttypes[TTYPE_FUNC_NAME];
+		p->bold++;
 		term_word(p, nn->string);
-		p->flags &= ~ttypes[TTYPE_FUNC_NAME];
+		p->bold--;
 		p->flags |= TERMP_NOSPACE;
 		if (nn->next && NULL == nn->next->next)
 			term_word(p, "(), and");
@@ -1265,9 +1182,9 @@ termp_rv_pre(DECL_ARGS)
        	term_word(p, "the value 0 if successful; otherwise the value "
 			"-1 is returned and the global variable");
 
-	p->flags |= ttypes[TTYPE_VAR_DECL];
+	p->under++;
 	term_word(p, "errno");
-	p->flags &= ~ttypes[TTYPE_VAR_DECL];
+	p->under--;
 
        	term_word(p, "is set to indicate the error.");
 
@@ -1286,9 +1203,9 @@ termp_ex_pre(DECL_ARGS)
 	nn = node->child;
 	assert(nn);
 	for ( ; nn; nn = nn->next) {
-		p->flags |= ttypes[TTYPE_PROG];
+		p->bold++;
 		term_word(p, nn->string);
-		p->flags &= ~ttypes[TTYPE_PROG];
+		p->bold--;
 		p->flags |= TERMP_NOSPACE;
 		if (nn->next && NULL == nn->next->next)
 			term_word(p, ", and");
@@ -1371,17 +1288,6 @@ termp_xr_pre(DECL_ARGS)
 
 
 /* ARGSUSED */
-static int
-termp_vt_pre(DECL_ARGS)
-{
-
-	/* FIXME: this can be "type name". */
-	pair->flag |= ttypes[TTYPE_VAR_DECL];
-	return(1);
-}
-
-
-/* ARGSUSED */
 static void
 termp_vt_post(DECL_ARGS)
 {
@@ -1397,10 +1303,10 @@ termp_vt_post(DECL_ARGS)
 
 /* ARGSUSED */
 static int
-termp_fd_pre(DECL_ARGS)
+termp_bold_pre(DECL_ARGS)
 {
 
-	pair->flag |= ttypes[TTYPE_FUNC_DECL];
+	p->bold++;
 	return(1);
 }
 
@@ -1435,7 +1341,7 @@ termp_sh_pre(DECL_ARGS)
 		term_vspace(p);
 		break;
 	case (MDOC_HEAD):
-		pair->flag |= ttypes[TTYPE_SECTION];
+		p->bold++;
 		break;
 	case (MDOC_BODY):
 		p->offset = INDENT;
@@ -1569,7 +1475,7 @@ termp_ft_pre(DECL_ARGS)
 	if (SEC_SYNOPSIS == node->sec)
 		if (node->prev && MDOC_Fo == node->prev->tok)
 			term_vspace(p);
-	pair->flag |= ttypes[TTYPE_FUNC_TYPE];
+	p->under++;
 	return(1);
 }
 
@@ -1594,17 +1500,17 @@ termp_fn_pre(DECL_ARGS)
 
 	/* FIXME: can be "type funcname" "type varname"... */
 
-	p->flags |= ttypes[TTYPE_FUNC_NAME];
+	p->bold++;
 	term_word(p, node->child->string);
-	p->flags &= ~ttypes[TTYPE_FUNC_NAME];
+	p->bold--;
 
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, "(");
 
 	for (n = node->child->next; n; n = n->next) {
-		p->flags |= ttypes[TTYPE_FUNC_ARG];
+		p->under++;
 		term_word(p, n->string);
-		p->flags &= ~ttypes[TTYPE_FUNC_ARG];
+		p->under--;
 		if (n->next)
 			term_word(p, ",");
 	}
@@ -1630,29 +1536,19 @@ termp_fn_post(DECL_ARGS)
 
 /* ARGSUSED */
 static int
-termp_sx_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_LINK];
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
 termp_fa_pre(DECL_ARGS)
 {
 	struct mdoc_node *n;
 
 	if (node->parent->tok != MDOC_Fo) {
-		pair->flag |= ttypes[TTYPE_FUNC_ARG];
+		p->under++;
 		return(1);
 	}
 
 	for (n = node->child; n; n = n->next) {
-		p->flags |= ttypes[TTYPE_FUNC_ARG];
+		p->under++;
 		term_word(p, n->string);
-		p->flags &= ~ttypes[TTYPE_FUNC_ARG];
+		p->under--;
 		if (n->next)
 			term_word(p, ",");
 	}
@@ -1666,16 +1562,6 @@ termp_fa_pre(DECL_ARGS)
 
 /* ARGSUSED */
 static int
-termp_va_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_VAR_DECL];
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
 termp_bd_pre(DECL_ARGS)
 {
 	int	         i, type;
@@ -1853,16 +1739,6 @@ termp_sq_post(DECL_ARGS)
 
 /* ARGSUSED */
 static int
-termp_pa_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_FILE];
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
 termp_pf_pre(DECL_ARGS)
 {
 
@@ -1893,7 +1769,7 @@ termp_ss_pre(DECL_ARGS)
 			term_vspace(p);
 		break;
 	case (MDOC_HEAD):
-		pair->flag |= ttypes[TTYPE_SSECTION];
+		p->bold++;
 		p->offset = HALFINDENT;
 		break;
 	default:
@@ -1916,20 +1792,10 @@ termp_ss_post(DECL_ARGS)
 
 /* ARGSUSED */
 static int
-termp_em_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_EMPH];
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
 termp_cd_pre(DECL_ARGS)
 {
 
-	pair->flag |= ttypes[TTYPE_CONFIG];
+	p->bold++;
 	term_newln(p);
 	return(1);
 }
@@ -1937,32 +1803,10 @@ termp_cd_pre(DECL_ARGS)
 
 /* ARGSUSED */
 static int
-termp_cm_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_CMD_FLAG];
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_ic_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_CMD];
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
 termp_in_pre(DECL_ARGS)
 {
 
-	pair->flag |= ttypes[TTYPE_INCLUDE];
-	p->flags |= ttypes[TTYPE_INCLUDE];
-
+	p->bold++;
 	if (SEC_SYNOPSIS == node->sec)
 		term_word(p, "#include");
 
@@ -1977,9 +1821,9 @@ static void
 termp_in_post(DECL_ARGS)
 {
 
-	p->flags |= TERMP_NOSPACE | ttypes[TTYPE_INCLUDE];
+	p->bold++;
 	term_word(p, ">");
-	p->flags &= ~ttypes[TTYPE_INCLUDE];
+	p->bold--;
 
 	if (SEC_SYNOPSIS != node->sec)
 		return;
@@ -2115,12 +1959,12 @@ termp_fo_pre(DECL_ARGS)
 	} else if (MDOC_HEAD != node->type) 
 		return(1);
 
-	p->flags |= ttypes[TTYPE_FUNC_NAME];
+	p->bold++;
 	for (n = node->child; n; n = n->next) {
 		assert(MDOC_TEXT == n->type);
 		term_word(p, n->string);
 	}
-	p->flags &= ~ttypes[TTYPE_FUNC_NAME];
+	p->bold--;
 
 	return(0);
 }
@@ -2154,46 +1998,25 @@ termp_bf_pre(DECL_ARGS)
 
 	if (NULL == (n = node->head->child)) {
 		if (arg_hasattr(MDOC_Emphasis, node))
-			pair->flag |= ttypes[TTYPE_EMPH];
+			p->under++;
 		else if (arg_hasattr(MDOC_Symbolic, node))
-			pair->flag |= ttypes[TTYPE_SYMB];
+			p->bold++;
 
 		return(1);
 	} 
 
 	assert(MDOC_TEXT == n->type);
 	if (0 == strcmp("Em", n->string))
-		pair->flag |= ttypes[TTYPE_EMPH];
+		p->under++;
 	else if (0 == strcmp("Sy", n->string))
-		pair->flag |= ttypes[TTYPE_SYMB];
-
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_sy_pre(DECL_ARGS)
-{
+		p->bold++;
 
-	pair->flag |= ttypes[TTYPE_SYMB];
 	return(1);
 }
 
 
 /* ARGSUSED */
 static int
-termp_ms_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_SYMBOL];
-	return(1);
-}
-
-
-
-/* ARGSUSED */
-static int
 termp_sm_pre(DECL_ARGS)
 {
 
@@ -2221,26 +2044,6 @@ termp_ap_pre(DECL_ARGS)
 
 
 /* ARGSUSED */
-static int
-termp__j_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_REF_JOURNAL];
-	return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp__t_pre(DECL_ARGS)
-{
-
-	pair->flag |= ttypes[TTYPE_REF_TITLE];
-	return(1);
-}
-
-
-/* ARGSUSED */
 static void
 termp____post(DECL_ARGS)
 {
@@ -2260,32 +2063,30 @@ termp_lk_pre(DECL_ARGS)
 	n = node->child;
 
 	if (NULL == n->next) {
-		pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
+		p->under++;
 		return(1);
 	}
 
-	p->flags |= ttypes[TTYPE_LINK_ANCHOR];
+	p->under++;
 	term_word(p, n->string);
 	p->flags |= TERMP_NOSPACE;
 	term_word(p, ":");
-	p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
+	p->under--;
 
-	p->flags |= ttypes[TTYPE_LINK_TEXT];
+	p->bold++;
 	for (n = n->next; n; n = n->next) 
 		term_word(p, n->string);
+	p->bold--;
 
-	p->flags &= ~ttypes[TTYPE_LINK_TEXT];
 	return(0);
 }
 
 
 /* ARGSUSED */
 static int
-termp_mt_pre(DECL_ARGS)
+termp_under_pre(DECL_ARGS)
 {
 
-	pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
+	p->under++;
 	return(1);
 }
-
-
diff --git a/term.c b/term.c
index 04776e4f..6ea5aff0 100644
--- a/term.c
+++ b/term.c
@@ -104,7 +104,7 @@ term_alloc(enum termenc enc)
 	struct termp *p;
 
 	if (NULL == (p = malloc(sizeof(struct termp))))
-		err(1, "malloc");
+		return(NULL);
 	bzero(p, sizeof(struct termp));
 	p->maxrmargin = 78;
 	p->enc = enc;
@@ -492,15 +492,15 @@ do_escaped(struct termp *p, const char **word)
 
 		switch (*wp) {
 		case ('B'):
-			p->flags |= TERMP_BOLD;
+			p->bold++;
 			break;
 		case ('I'):
-			p->flags |= TERMP_UNDER;
+			p->under++;
 			break;
 		case ('P'):
 			/* FALLTHROUGH */
 		case ('R'):
-			p->flags &= ~TERMP_STYLE;
+			p->bold = p->under = 0;
 			break;
 		default:
 			break;
@@ -579,7 +579,7 @@ buffer(struct termp *p, char c)
 		s = p->maxcols * 2;
 		p->buf = realloc(p->buf, s);
 		if (NULL == p->buf)
-			err(1, "realloc");
+			err(1, "realloc"); /* FIXME: shouldn't be here! */
 		p->maxcols = s;
 	}
 	p->buf[(int)(p->col)++] = c;
@@ -590,12 +590,12 @@ static void
 encode(struct termp *p, char c)
 {
 	
-	if (' ' != c && TERMP_STYLE & p->flags) {
-		if (TERMP_BOLD & p->flags) {
+	if (' ' != c) {
+		if (p->bold) {
 			buffer(p, c);
 			buffer(p, 8);
 		}
-		if (TERMP_UNDER & p->flags) {
+		if (p->under) {
 			buffer(p, '_');
 			buffer(p, 8);
 		}
diff --git a/term.h b/term.h
index 125a0585..66108260 100644
--- a/term.h
+++ b/term.h
@@ -32,9 +32,6 @@ struct	termp {
 	size_t		  offset;	/* Margin offest. */
 	size_t		  col;		/* Bytes in buf. */
 	int		  flags;
-#define	TERMP_STYLE	  0x3		/* Style mask. */
-#define	TERMP_BOLD	 (1 << 0)	/* Styles... */
-#define	TERMP_UNDER	 (1 << 1)
 #define	TERMP_NOSPACE	 (1 << 2)	/* No space before words. */
 #define	TERMP_NOLPAD	 (1 << 3)	/* See term_flushln(). */
 #define	TERMP_NOBREAK	 (1 << 4)	/* See term_flushln(). */
@@ -46,6 +43,8 @@ struct	termp {
 #define	TERMP_NOSPLIT	 (1 << 11)	/* See termp_an_pre/post(). */
 #define	TERMP_SPLIT	 (1 << 12)	/* See termp_an_pre/post(). */
 #define	TERMP_ANPREC	 (1 << 13)	/* See termp_an_pre(). */
+	int		  bold;
+	int		  under;
 	char		 *buf;		/* Output buffer. */
 	enum termenc	  enc;		/* Type of encoding. */
 	void		 *symtab;	/* Encoded-symbol table. */