===================================================================
RCS file: /cvs/mandoc/mdoc_man.c,v
retrieving revision 1.18
retrieving revision 1.30
diff -u -p -r1.18 -r1.30
--- mandoc/mdoc_man.c	2012/07/08 11:10:13	1.18
+++ mandoc/mdoc_man.c	2012/07/10 14:38:51	1.30
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_man.c,v 1.18 2012/07/08 11:10:13 schwarze Exp $ */
+/*	$Id: mdoc_man.c,v 1.30 2012/07/10 14:38:51 schwarze Exp $ */
 /*
  * Copyright (c) 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -29,16 +29,8 @@
 #include "main.h"
 
 #define	DECL_ARGS const struct mdoc_meta *m, \
-		  const struct mdoc_node *n, \
-		  struct mman *mm
+		  const struct mdoc_node *n
 
-struct	mman {
-	int		  mode_space; /* spacing mode: 1 = on */
-	int		  need_space; /* next word needs prior ws */
-	int		  mode_keep; /* currently inside a keep */
-	int		  need_nl; /* next word needs prior nl */
-};
-
 struct	manact {
 	int		(*cond)(DECL_ARGS); /* DON'T run actions */
 	int		(*pre)(DECL_ARGS); /* pre-node action */
@@ -49,14 +41,23 @@ struct	manact {
 
 static	int	  cond_body(DECL_ARGS);
 static	int	  cond_head(DECL_ARGS);
+static  void	  font_push(char);
+static	void	  font_pop(void);
 static	void	  post_bd(DECL_ARGS);
+static	void	  post_bf(DECL_ARGS);
 static	void	  post_bk(DECL_ARGS);
+static	void	  post_bl(DECL_ARGS);
 static	void	  post_dl(DECL_ARGS);
 static	void	  post_enc(DECL_ARGS);
+static	void	  post_eo(DECL_ARGS);
 static	void	  post_fa(DECL_ARGS);
+static	void	  post_fd(DECL_ARGS);
+static	void	  post_fl(DECL_ARGS);
 static	void	  post_fn(DECL_ARGS);
 static	void	  post_fo(DECL_ARGS);
+static	void	  post_font(DECL_ARGS);
 static	void	  post_in(DECL_ARGS);
+static	void	  post_it(DECL_ARGS);
 static	void	  post_lb(DECL_ARGS);
 static	void	  post_nm(DECL_ARGS);
 static	void	  post_percent(DECL_ARGS);
@@ -64,29 +65,43 @@ static	void	  post_pf(DECL_ARGS);
 static	void	  post_sect(DECL_ARGS);
 static	void	  post_sp(DECL_ARGS);
 static	void	  post_vt(DECL_ARGS);
+static	int	  pre_an(DECL_ARGS);
 static	int	  pre_ap(DECL_ARGS);
 static	int	  pre_bd(DECL_ARGS);
+static	int	  pre_bf(DECL_ARGS);
 static	int	  pre_bk(DECL_ARGS);
+static	int	  pre_bl(DECL_ARGS);
 static	int	  pre_br(DECL_ARGS);
 static	int	  pre_bx(DECL_ARGS);
 static	int	  pre_dl(DECL_ARGS);
 static	int	  pre_enc(DECL_ARGS);
+static	int	  pre_em(DECL_ARGS);
 static	int	  pre_fa(DECL_ARGS);
+static	int	  pre_fd(DECL_ARGS);
+static	int	  pre_fl(DECL_ARGS);
 static	int	  pre_fn(DECL_ARGS);
 static	int	  pre_fo(DECL_ARGS);
+static	int	  pre_ft(DECL_ARGS);
 static	int	  pre_in(DECL_ARGS);
 static	int	  pre_it(DECL_ARGS);
+static	int	  pre_lk(DECL_ARGS);
+static	int	  pre_li(DECL_ARGS);
 static	int	  pre_nm(DECL_ARGS);
+static	int	  pre_no(DECL_ARGS);
 static	int	  pre_ns(DECL_ARGS);
 static	int	  pre_pp(DECL_ARGS);
 static	int	  pre_sm(DECL_ARGS);
 static	int	  pre_sp(DECL_ARGS);
 static	int	  pre_sect(DECL_ARGS);
+static	int	  pre_sy(DECL_ARGS);
+static	void	  pre_syn(const struct mdoc_node *);
 static	int	  pre_vt(DECL_ARGS);
 static	int	  pre_ux(DECL_ARGS);
 static	int	  pre_xr(DECL_ARGS);
-static	void	  print_word(struct mman *, const char *);
-static	void	  print_offs(struct mman *, const char *);
+static	void	  print_word(const char *);
+static	void	  print_offs(const char *);
+static	void	  print_width(const char *);
+static	void	  print_count(int *);
 static	void	  print_node(DECL_ARGS);
 
 static	const struct manact manacts[MDOC_MAX + 1] = {
@@ -101,40 +116,40 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
 	{ cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Ed */
-	{ NULL, NULL, NULL, NULL, NULL }, /* Bl */
+	{ cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
 	{ NULL, NULL, NULL, NULL, NULL }, /* El */
-	{ NULL, pre_it, NULL, NULL, NULL }, /* _It */
-	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ad */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _An */
-	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ar */
-	{ NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cd */
-	{ NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cm */
-	{ NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Dv */
-	{ NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Er */
-	{ NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Ev */
+	{ NULL, pre_it, post_it, NULL, NULL }, /* It */
+	{ NULL, pre_em, post_font, NULL, NULL }, /* Ad */
+	{ NULL, pre_an, NULL, NULL, NULL }, /* An */
+	{ NULL, pre_em, post_font, NULL, NULL }, /* Ar */
+	{ NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
+	{ NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
+	{ NULL, pre_li, post_font, NULL, NULL }, /* Dv */
+	{ NULL, pre_li, post_font, NULL, NULL }, /* Er */
+	{ NULL, pre_li, post_font, NULL, NULL }, /* Ev */
 	{ NULL, pre_enc, post_enc, "The \\fB",
 	    "\\fP\nutility exits 0 on success, and >0 if an error occurs."
 	    }, /* Ex */
 	{ NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Fd */
-	{ NULL, pre_enc, post_enc, "\\fB-", "\\fP" }, /* Fl */
+	{ NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
+	{ NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
 	{ NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
-	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ft */
-	{ NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ic */
+	{ NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
+	{ NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
 	{ NULL, pre_in, post_in, NULL, NULL }, /* In */
-	{ NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Li */
+	{ NULL, pre_li, post_font, NULL, NULL }, /* Li */
 	{ cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
 	{ NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
 	{ cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Ot */
-	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Pa */
+	{ NULL, pre_em, post_font, NULL, NULL }, /* Pa */
 	{ NULL, pre_enc, post_enc, "The \\fB",
 		"\\fP\nfunction returns the value 0 if successful;\n"
 		"otherwise the value -1 is returned and the global\n"
 		"variable \\fIerrno\\fP is set to indicate the error."
 		}, /* Rv */
 	{ NULL, NULL, NULL, NULL, NULL }, /* St */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Va */
+	{ NULL, pre_em, post_font, NULL, NULL }, /* Va */
 	{ NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
 	{ NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
 	{ NULL, NULL, post_percent, NULL, NULL }, /* _%A */
@@ -153,7 +168,7 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */
 	{ NULL, NULL, NULL, NULL, NULL }, /* At */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Bc */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Bf */
+	{ NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
 	{ cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
 	{ cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
 	{ NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
@@ -162,13 +177,13 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ NULL, NULL, NULL, NULL, NULL }, /* Dc */
 	{ cond_body, pre_enc, post_enc, "``", "''" }, /* Do */
 	{ cond_body, pre_enc, post_enc, "``", "''" }, /* Dq */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Ec */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Ef */
-	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Em */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Eo */
+	{ NULL, NULL, NULL, NULL, NULL }, /* Ec */
+	{ NULL, NULL, NULL, NULL, NULL }, /* Ef */
+	{ NULL, pre_em, post_font, NULL, NULL }, /* Em */
+	{ NULL, NULL, post_eo, NULL, NULL }, /* Eo */
 	{ NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
-	{ NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ms */
-	{ NULL, NULL, NULL, NULL, NULL }, /* No */
+	{ NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
+	{ NULL, pre_no, NULL, NULL, NULL }, /* No */
 	{ NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
 	{ NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
 	{ NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
@@ -186,9 +201,9 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ cond_body, pre_enc, post_enc, "`", "'" }, /* So */
 	{ cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */
 	{ NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
-	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Sx */
-	{ NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Sy */
-	{ NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Tn */
+	{ NULL, pre_em, post_font, NULL, NULL }, /* Sx */
+	{ NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
+	{ NULL, pre_li, post_font, NULL, NULL }, /* Tn */
 	{ NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
 	{ NULL, NULL, NULL, NULL, NULL }, /* _Xc */
 	{ NULL, NULL, NULL, NULL, NULL }, /* _Xo */
@@ -204,14 +219,14 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
 	{ NULL, NULL, post_lb, NULL, NULL }, /* Lb */
 	{ NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Lk */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Mt */
+	{ NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
+	{ NULL, pre_em, post_font, NULL, NULL }, /* Mt */
 	{ cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
 	{ cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Brc */
 	{ NULL, NULL, NULL, NULL, NULL }, /* _%C */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Es */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _En */
+	{ NULL, NULL, NULL, NULL, NULL }, /* Es */
+	{ NULL, NULL, NULL, NULL, NULL }, /* En */
 	{ NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
 	{ NULL, NULL, NULL, NULL, NULL }, /* _%Q */
 	{ NULL, pre_br, NULL, NULL, NULL }, /* br */
@@ -221,26 +236,74 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ NULL, NULL, NULL, NULL, NULL }, /* ROOT */
 };
 
+static	int		outflags;
+#define	MMAN_spc	(1 << 0)
+#define	MMAN_spc_force	(1 << 1)
+#define	MMAN_nl		(1 << 2)
+#define	MMAN_br		(1 << 3)
+#define	MMAN_sp		(1 << 4)
+#define	MMAN_Sm		(1 << 5)
+#define	MMAN_Bk		(1 << 6)
+#define	MMAN_An_split	(1 << 7)
+#define	MMAN_An_nosplit	(1 << 8)
+
+static	struct {
+	char	*head;
+	char	*tail;
+	size_t	 size;
+}	fontqueue;
+
 static void
-print_word(struct mman *mm, const char *s)
+font_push(char newfont)
 {
 
-	if (mm->need_nl) {
+	if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
+		fontqueue.size += 8;
+		fontqueue.head = mandoc_realloc(fontqueue.head,
+				fontqueue.size);
+	}
+	*fontqueue.tail = newfont;
+	print_word("\\f");
+	putchar(newfont);
+	outflags &= ~MMAN_spc;
+}
+
+static void
+font_pop(void)
+{
+
+	if (fontqueue.tail > fontqueue.head)
+		fontqueue.tail--;
+	outflags &= ~MMAN_spc;
+	print_word("\\f");
+	putchar(*fontqueue.tail);
+}
+
+static void
+print_word(const char *s)
+{
+
+	if ((MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
 		/* 
 		 * If we need a newline, print it now and start afresh.
 		 */
-		putchar('\n');
-		mm->need_space = 0;
-		mm->need_nl = 0;
-	} else if (mm->need_space && '\0' != s[0])
+		if (MMAN_sp & outflags)
+			printf("\n.sp\n");
+		else if (MMAN_br & outflags)
+			printf("\n.br\n");
+		else if (MMAN_nl & outflags)
+			putchar('\n');
+		outflags &= ~(MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
+	} else if (MMAN_spc & outflags && '\0' != s[0])
 		/*
-		 * If we need a space, only print it before
-		 * (1) a nonzero length word;
-		 * (2) a word that is non-punctuation; and
-		 * (3) if punctuation, non-terminating puncutation.
+		 * If we need a space, only print it if
+		 * (1) it is forced by `No' or
+		 * (2) what follows is not terminating punctuation or
+		 * (3) what follows is longer than one character.
 		 */
-		if (NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
-			if (mm->mode_keep) {
+		if (MMAN_spc_force & outflags ||
+		    NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
+			if (MMAN_Bk & outflags) {
 				putchar('\\');
 				putchar('~');
 			} else 
@@ -251,8 +314,12 @@ print_word(struct mman *mm, const char *s)
 	 * Reassign needing space if we're not following opening
 	 * punctuation.
 	 */
-	mm->need_space = mm->mode_space &&
-		(('(' != s[0] && '[' != s[0]) || '\0' != s[1]);
+	if (MMAN_Sm & outflags &&
+	    (('(' != s[0] && '[' != s[0]) || '\0' != s[1]))
+		outflags |= MMAN_spc;
+	else
+		outflags &= ~MMAN_spc;
+	outflags &= ~MMAN_spc_force;
 
 	for ( ; *s; s++) {
 		switch (*s) {
@@ -270,7 +337,7 @@ print_word(struct mman *mm, const char *s)
 }
 
 static void
-print_offs(struct mman *mm, const char *v)
+print_offs(const char *v)
 {
 	char		  buf[24];
 	struct roffsu	  su;
@@ -283,16 +350,46 @@ print_offs(struct mman *mm, const char *v)
 	else if (0 == strcmp(v, "indent-two"))
 		sz = 12;
 	else if (a2roffsu(v, &su, SCALE_MAX)) {
-		print_word(mm, v);
+		print_word(v);
 		return;
 	} else
 		sz = strlen(v);
 
 	snprintf(buf, sizeof(buf), "%ldn", sz);
-	print_word(mm, buf);
+	print_word(buf);
 }
 
 void
+print_width(const char *v)
+{
+	char		  buf[24];
+	struct roffsu	  su;
+	size_t		  sz;
+
+	if (a2roffsu(v, &su, SCALE_MAX)) {
+		if (SCALE_EN == su.unit)
+			sz = su.scale;
+		else {
+			print_word(v);
+			return;
+		}
+	} else
+		sz = strlen(v);
+
+	snprintf(buf, sizeof(buf), "%ldn", sz + 2);
+	print_word(buf);
+}
+
+void
+print_count(int *count)
+{
+	char		  buf[12];
+
+	snprintf(buf, sizeof(buf), "%d.", ++*count);
+	print_word(buf);
+}
+
+void
 man_man(void *arg, const struct man *man)
 {
 
@@ -310,7 +407,6 @@ man_mdoc(void *arg, const struct mdoc *mdoc)
 {
 	const struct mdoc_meta *m;
 	const struct mdoc_node *n;
-	struct mman	        mm;
 
 	m = mdoc_meta(mdoc);
 	n = mdoc_node(mdoc);
@@ -318,11 +414,13 @@ man_mdoc(void *arg, const struct mdoc *mdoc)
 	printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"",
 			m->title, m->msec, m->date, m->os, m->vol);
 
-	memset(&mm, 0, sizeof(struct mman));
-
-	mm.mode_space = 1;
-	mm.need_nl = 1;
-	print_node(m, n, &mm);
+	outflags = MMAN_nl | MMAN_Sm;
+	if (0 == fontqueue.size) {
+		fontqueue.size = 8;
+		fontqueue.head = fontqueue.tail = mandoc_malloc(8);
+		*fontqueue.tail = 'R';
+	}
+	print_node(m, n);
 	putchar('\n');
 }
 
@@ -338,9 +436,8 @@ print_node(DECL_ARGS)
 	 * This makes the page structure be more consistent.
 	 */
 	prev = n->prev ? n->prev : n->parent;
-	if (prev && prev->line < n->line &&
-	    MDOC_Fo != prev->tok && MDOC_Ns != prev->tok)
-		mm->need_nl = 1;
+	if (MMAN_spc & outflags && prev && prev->line < n->line)
+		outflags |= MMAN_nl;
 
 	act = NULL;
 	cond = 0;
@@ -351,21 +448,21 @@ print_node(DECL_ARGS)
 		 * Make sure that we don't happen to start with a
 		 * control character at the start of a line.
 		 */
-		if (mm->need_nl && ('.' == *n->string || 
+		if (MMAN_nl & outflags && ('.' == *n->string || 
 					'\'' == *n->string)) {
-			print_word(mm, "\\&");
-			mm->need_space = 0;
+			print_word("\\&");
+			outflags &= ~MMAN_spc;
 		}
-		print_word(mm, n->string);
+		print_word(n->string);
 	} else {
 		/*
 		 * Conditionally run the pre-node action handler for a
 		 * node.
 		 */
 		act = manacts + n->tok;
-		cond = NULL == act->cond || (*act->cond)(m, n, mm);
+		cond = NULL == act->cond || (*act->cond)(m, n);
 		if (cond && act->pre)
-			do_sub = (*act->pre)(m, n, mm);
+			do_sub = (*act->pre)(m, n);
 	}
 
 	/* 
@@ -375,13 +472,13 @@ print_node(DECL_ARGS)
 	 */
 	if (do_sub)
 		for (sub = n->child; sub; sub = sub->next)
-			print_node(m, sub, mm);
+			print_node(m, sub);
 
 	/*
 	 * Lastly, conditionally run the post-node handler.
 	 */
 	if (cond && act->post)
-		(*act->post)(m, n, mm);
+		(*act->post)(m, n);
 }
 
 static int
@@ -398,10 +495,6 @@ cond_body(DECL_ARGS)
 	return(MDOC_BODY == n->type);
 }
 
-/*
- * Output a font encoding before a node, e.g., \fR.
- * This obviously has no trailing space.
- */
 static int
 pre_enc(DECL_ARGS)
 {
@@ -410,14 +503,11 @@ pre_enc(DECL_ARGS)
 	prefix = manacts[n->tok].prefix;
 	if (NULL == prefix)
 		return(1);
-	print_word(mm, prefix);
-	mm->need_space = 0;
+	print_word(prefix);
+	outflags &= ~MMAN_spc;
 	return(1);
 }
 
-/*
- * Output a font encoding subsequent a node, e.g., \fP.
- */
 static void
 post_enc(DECL_ARGS)
 {
@@ -426,12 +516,17 @@ post_enc(DECL_ARGS)
 	suffix = manacts[n->tok].suffix;
 	if (NULL == suffix)
 		return;
-	mm->need_space = 0;
-	print_word(mm, suffix);
-	if (MDOC_Fl == n->tok && 0 == n->nchild)
-		mm->need_space = 0;
+	outflags &= ~MMAN_spc;
+	print_word(suffix);
 }
 
+static void
+post_font(DECL_ARGS)
+{
+
+	font_pop();
+}
+
 /*
  * Used in listings (percent = %A, e.g.).
  * FIXME: this is incomplete. 
@@ -441,12 +536,12 @@ static void
 post_percent(DECL_ARGS)
 {
 
-	post_enc(m, n, mm);
+	post_enc(m, n);
 	if (n->next)
-		print_word(mm, ",");
+		print_word(",");
 	else {
-		print_word(mm, ".");
-		mm->need_nl = 1;
+		print_word(".");
+		outflags |= MMAN_nl;
 	}
 }
 
@@ -459,10 +554,10 @@ pre_sect(DECL_ARGS)
 
 	if (MDOC_HEAD != n->type)
 		return(1);
-	mm->need_nl = 1;
-	print_word(mm, manacts[n->tok].prefix);
-	print_word(mm, "\"");
-	mm->need_space = 0;
+	outflags |= MMAN_nl;
+	print_word(manacts[n->tok].prefix);
+	print_word("\"");
+	outflags &= ~MMAN_spc;
 	return(1);
 }
 
@@ -475,18 +570,83 @@ post_sect(DECL_ARGS)
 
 	if (MDOC_HEAD != n->type)
 		return;
-	mm->need_space = 0;
-	print_word(mm, "\"");
-	mm->need_nl = 1;
+	outflags &= ~MMAN_spc;
+	print_word("\"");
+	outflags |= MMAN_nl;
+	if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
+		outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
 }
 
+/* See mdoc_term.c, synopsis_pre() for comments. */
+static void
+pre_syn(const struct mdoc_node *n)
+{
+
+	if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
+		return;
+
+	if (n->prev->tok == n->tok &&
+			MDOC_Ft != n->tok &&
+			MDOC_Fo != n->tok &&
+			MDOC_Fn != n->tok) {
+		outflags |= MMAN_br;
+		return;
+	}
+
+	switch (n->prev->tok) {
+	case (MDOC_Fd):
+		/* FALLTHROUGH */
+	case (MDOC_Fn):
+		/* FALLTHROUGH */
+	case (MDOC_Fo):
+		/* FALLTHROUGH */
+	case (MDOC_In):
+		/* FALLTHROUGH */
+	case (MDOC_Vt):
+		outflags |= MMAN_sp;
+		break;
+	case (MDOC_Ft):
+		if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
+			outflags |= MMAN_sp;
+			break;
+		}
+		/* FALLTHROUGH */
+	default:
+		outflags |= MMAN_br;
+		break;
+	}
+}
+
 static int
+pre_an(DECL_ARGS)
+{
+
+	switch (n->norm->An.auth) {
+	case (AUTH_split):
+		outflags &= ~MMAN_An_nosplit;
+		outflags |= MMAN_An_split;
+		return(0);
+	case (AUTH_nosplit):
+		outflags &= ~MMAN_An_split;
+		outflags |= MMAN_An_nosplit;
+		return(0);
+	default:
+		if (MMAN_An_split & outflags)
+			outflags |= MMAN_br;
+		else if (SEC_AUTHORS == n->sec &&
+		    ! (MMAN_An_nosplit & outflags))
+			outflags |= MMAN_An_split;
+		return(1);
+	}
+}
+
+static int
 pre_ap(DECL_ARGS)
 {
 
-	mm->need_space = 0;
-	print_word(mm, "'");
-	mm->need_space = 0;
+	outflags &= ~MMAN_spc;
+	print_word("'");
+	outflags &= ~MMAN_spc;
 	return(0);
 }
 
@@ -494,19 +654,17 @@ static int
 pre_bd(DECL_ARGS)
 {
 
-	if (0 == n->norm->Bd.comp) {
-		mm->need_nl = 1;
-		print_word(mm, ".sp");
-	}
+	if (0 == n->norm->Bd.comp)
+		outflags |= MMAN_sp;
 	if (DISP_unfilled == n->norm->Bd.type ||
 	    DISP_literal  == n->norm->Bd.type) {
-		mm->need_nl = 1;
-		print_word(mm, ".nf");
+		outflags |= MMAN_nl;
+		print_word(".nf");
 	}
-	mm->need_nl = 1;
-	print_word(mm, ".RS");
-	print_offs(mm, n->norm->Bd.offs);
-	mm->need_nl = 1;
+	outflags |= MMAN_nl;
+	print_word(".RS");
+	print_offs(n->norm->Bd.offs);
+	outflags |= MMAN_nl;
 	return(1);
 }
 
@@ -514,17 +672,51 @@ static void
 post_bd(DECL_ARGS)
 {
 
-	mm->need_nl = 1;
-	print_word(mm, ".RE");
+	outflags |= MMAN_nl;
+	print_word(".RE");
 	if (DISP_unfilled == n->norm->Bd.type ||
 	    DISP_literal  == n->norm->Bd.type) {
-		mm->need_nl = 1;
-		print_word(mm, ".fi");
+		outflags |= MMAN_nl;
+		print_word(".fi");
 	}
-	mm->need_nl = 1;
+	outflags |= MMAN_nl;
 }
 
 static int
+pre_bf(DECL_ARGS)
+{
+
+	switch (n->type) {
+	case (MDOC_BLOCK):
+		return(1);
+	case (MDOC_BODY):
+		break;
+	default:
+		return(0);
+	}
+	switch (n->norm->Bf.font) {
+	case (FONT_Em):
+		font_push('I');
+		break;
+	case (FONT_Sy):
+		font_push('B');
+		break;
+	default:
+		font_push('R');
+		break;
+	}
+	return(1);
+}
+
+static void
+post_bf(DECL_ARGS)
+{
+
+	if (MDOC_BODY == n->type)
+		font_pop();
+}
+
+static int
 pre_bk(DECL_ARGS)
 {
 
@@ -532,7 +724,7 @@ pre_bk(DECL_ARGS)
 	case (MDOC_BLOCK):
 		return(1);
 	case (MDOC_BODY):
-		mm->mode_keep = 1;
+		outflags |= MMAN_Bk;
 		return(1);
 	default:
 		return(0);
@@ -544,16 +736,31 @@ post_bk(DECL_ARGS)
 {
 
 	if (MDOC_BODY == n->type)
-		mm->mode_keep = 0;
+		outflags &= ~MMAN_Bk;
 }
 
 static int
+pre_bl(DECL_ARGS)
+{
+
+	if (LIST_enum == n->norm->Bl.type)
+		n->norm->Bl.count = 0;
+	return(1);
+}
+
+static void
+post_bl(DECL_ARGS)
+{
+
+	if (LIST_enum == n->norm->Bl.type)
+		n->norm->Bl.count = 0;
+}
+
+static int
 pre_br(DECL_ARGS)
 {
 
-	mm->need_nl = 1;
-	print_word(mm, ".br");
-	mm->need_nl = 1;
+	outflags |= MMAN_br;
 	return(0);
 }
 
@@ -563,17 +770,17 @@ pre_bx(DECL_ARGS)
 
 	n = n->child;
 	if (n) {
-		print_word(mm, n->string);
-		mm->need_space = 0;
+		print_word(n->string);
+		outflags &= ~MMAN_spc;
 		n = n->next;
 	}
-	print_word(mm, "BSD");
+	print_word("BSD");
 	if (NULL == n)
 		return(0);
-	mm->need_space = 0;
-	print_word(mm, "-");
-	mm->need_space = 0;
-	print_word(mm, n->string);
+	outflags &= ~MMAN_spc;
+	print_word("-");
+	outflags &= ~MMAN_spc;
+	print_word(n->string);
 	return(0);
 }
 
@@ -581,9 +788,9 @@ static int
 pre_dl(DECL_ARGS)
 {
 
-	mm->need_nl = 1;
-	print_word(mm, ".RS 6n");
-	mm->need_nl = 1;
+	outflags |= MMAN_nl;
+	print_word(".RS 6n");
+	outflags |= MMAN_nl;
 	return(1);
 }
 
@@ -591,12 +798,28 @@ static void
 post_dl(DECL_ARGS)
 {
 
-	mm->need_nl = 1;
-	print_word(mm, ".RE");
-	mm->need_nl = 1;
+	outflags |= MMAN_nl;
+	print_word(".RE");
+	outflags |= MMAN_nl;
 }
 
 static int
+pre_em(DECL_ARGS)
+{
+
+	font_push('I');
+	return(1);
+}
+
+static void
+post_eo(DECL_ARGS)
+{
+
+	if (MDOC_HEAD == n->type || MDOC_BODY == n->type)
+		outflags &= ~MMAN_spc;
+}
+
+static int
 pre_fa(DECL_ARGS)
 {
 
@@ -604,13 +827,11 @@ pre_fa(DECL_ARGS)
 		n = n->child;
 
 	while (NULL != n) {
-		print_word(mm, "\\fI");
-		mm->need_space = 0;
-		print_node(m, n, mm);
-		mm->need_space = 0;
-		print_word(mm, "\\fP");
+		font_push('I');
+		print_node(m, n);
+		font_pop();
 		if (NULL != (n = n->next))
-			print_word(mm, ",");
+			print_word(",");
 	}
 	return(0);
 }
@@ -620,41 +841,73 @@ post_fa(DECL_ARGS)
 {
 
 	if (NULL != n->next && MDOC_Fa == n->next->tok)
-		print_word(mm, ",");
+		print_word(",");
 }
 
 static int
+pre_fd(DECL_ARGS)
+{
+
+	pre_syn(n);
+	font_push('B');
+	return(1);
+}
+
+static void
+post_fd(DECL_ARGS)
+{
+
+	font_pop();
+	outflags |= MMAN_br;
+}
+
+static int
+pre_fl(DECL_ARGS)
+{
+
+	font_push('B');
+	print_word("-");
+	outflags &= ~MMAN_spc;
+	return(1);
+}
+
+static void
+post_fl(DECL_ARGS)
+{
+
+	font_pop();
+	if (0 == n->nchild && NULL != n->next &&
+			n->next->line == n->line)
+		outflags &= ~MMAN_spc;
+}
+
+static int
 pre_fn(DECL_ARGS)
 {
 
+	pre_syn(n);
+
 	n = n->child;
 	if (NULL == n)
 		return(0);
 
-	if (MDOC_SYNPRETTY & n->flags) {
-		mm->need_nl = 1;
-		print_word(mm, ".br");
-		mm->need_nl = 1;
-	}
-	print_word(mm, "\\fB");
-	mm->need_space = 0;
-	print_node(m, n, mm);
-	mm->need_space = 0;
-	print_word(mm, "\\fP(");
-	mm->need_space = 0;
-	return(pre_fa(m, n->next, mm));
+	font_push('B');
+	print_node(m, n);
+	font_pop();
+	outflags &= ~MMAN_spc;
+	print_word("(");
+	outflags &= ~MMAN_spc;
+	return(pre_fa(m, n->next));
 }
 
 static void
 post_fn(DECL_ARGS)
 {
 
-	print_word(mm, ")");
+	print_word(")");
 	if (MDOC_SYNPRETTY & n->flags) {
-		print_word(mm, ";");
-		mm->need_nl = 1;
-		print_word(mm, ".br");
-		mm->need_nl = 1;
+		print_word(";");
+		outflags |= MMAN_br;
 	}
 }
 
@@ -663,19 +916,16 @@ pre_fo(DECL_ARGS)
 {
 
 	switch (n->type) {
+	case (MDOC_BLOCK):
+		pre_syn(n);
+		break;
 	case (MDOC_HEAD):
-		if (MDOC_SYNPRETTY & n->flags) {
-			mm->need_nl = 1;
-			print_word(mm, ".br");
-			mm->need_nl = 1;
-		}
-		print_word(mm, "\\fB");
-		mm->need_space = 0;
+		font_push('B');
 		break;
 	case (MDOC_BODY):
-		mm->need_space = 0;
-		print_word(mm, "(");
-		mm->need_space = 0;
+		outflags &= ~MMAN_spc;
+		print_word("(");
+		outflags &= ~MMAN_spc;
 		break;
 	default:
 		break;
@@ -689,11 +939,10 @@ post_fo(DECL_ARGS)
 
 	switch (n->type) {
 	case (MDOC_HEAD):
-		mm->need_space = 0;
-		print_word(mm, "\\fP");
+		font_pop();
 		break;
 	case (MDOC_BODY):
-		post_fn(m, n, mm);
+		post_fn(m, n);
 		break;
 	default:
 		break;
@@ -701,17 +950,28 @@ post_fo(DECL_ARGS)
 }
 
 static int
+pre_ft(DECL_ARGS)
+{
+
+	pre_syn(n);
+	font_push('I');
+	return(1);
+}
+
+static int
 pre_in(DECL_ARGS)
 {
 
 	if (MDOC_SYNPRETTY & n->flags) {
-		mm->need_nl = 1;
-		print_word(mm, ".br");
-		mm->need_nl = 1;
-		print_word(mm, "\\fB#include <");
-	} else
-		print_word(mm, "<\\fI");
-	mm->need_space = 0;
+		pre_syn(n);
+		font_push('B');
+		print_word("#include <");
+		outflags &= ~MMAN_spc;
+	} else {
+		print_word("<");
+		outflags &= ~MMAN_spc;
+		font_push('I');
+	}
 	return(1);
 }
 
@@ -719,14 +979,16 @@ static void
 post_in(DECL_ARGS)
 {
 
-	mm->need_space = 0;
 	if (MDOC_SYNPRETTY & n->flags) {
-		print_word(mm, ">\\fP");
-		mm->need_nl = 1;
-		print_word(mm, ".br");
-		mm->need_nl = 1;
-	} else
-		print_word(mm, "\\fP>");
+		outflags &= ~MMAN_spc;
+		print_word(">");
+		font_pop();
+		outflags |= MMAN_br;
+	} else {
+		font_pop();
+		outflags &= ~MMAN_spc;
+		print_word(">");
+	}
 }
 
 static int
@@ -734,52 +996,140 @@ pre_it(DECL_ARGS)
 {
 	const struct mdoc_node *bln;
 
-	if (MDOC_HEAD == n->type) {
-		mm->need_nl = 1;
-		print_word(mm, ".TP");
-		bln = n->parent->parent->prev;
+	switch (n->type) {
+	case (MDOC_HEAD):
+		outflags |= MMAN_nl;
+		bln = n->parent->parent;
 		switch (bln->norm->Bl.type) {
+		case (LIST_item):
+			if (bln->norm->Bl.comp)
+				outflags |= MMAN_br;
+			else
+				outflags |= MMAN_sp;
+			return(0);
+		case (LIST_inset):
+			/* FALLTHROUGH */
+		case (LIST_diag):
+			/* FALLTHROUGH */
+		case (LIST_ohang):
+			if (bln->norm->Bl.comp)
+				outflags |= MMAN_br;
+			else
+				outflags |= MMAN_sp;
+			if (bln->norm->Bl.type == LIST_diag)
+				print_word(".B \"");
+			else
+				print_word(".R \"");
+			outflags &= ~MMAN_spc;
+			return(1);
 		case (LIST_bullet):
-			print_word(mm, "4n");
-			mm->need_nl = 1;
-			print_word(mm, "\\fBo\\fP");
+			/* FALLTHROUGH */
+		case (LIST_dash):
+			/* FALLTHROUGH */
+		case (LIST_hyphen):
+			print_word(".TP");
+			print_width(bln->norm->Bl.width);
+			outflags |= MMAN_nl;
+			font_push('B');
+			if (LIST_bullet == bln->norm->Bl.type)
+				print_word("o");
+			else
+				print_word("-");
+			font_pop();
 			break;
+		case (LIST_enum):
+			print_word(".TP");
+			print_width(bln->norm->Bl.width);
+			outflags |= MMAN_nl;
+			print_count(&bln->norm->Bl.count);
+			outflags |= MMAN_nl;
+			break;
 		default:
 			if (bln->norm->Bl.width)
-				print_word(mm, bln->norm->Bl.width);
+				print_width(bln->norm->Bl.width);
 			break;
 		}
-		mm->need_nl = 1;
+		outflags |= MMAN_nl;
+	default:
+		break;
 	}
 	return(1);
 }
 
 static void
+post_it(DECL_ARGS)
+{
+	const struct mdoc_node *bln;
+
+	if (MDOC_HEAD == n->type) {
+		bln = n->parent->parent;
+		switch (bln->norm->Bl.type) {
+		case (LIST_diag):
+			outflags &= ~MMAN_spc;
+			print_word("\\ ");
+			break;
+		case (LIST_ohang):
+			outflags |= MMAN_br;
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+static void
 post_lb(DECL_ARGS)
 {
 
-	if (SEC_LIBRARY == n->sec) {
-		mm->need_nl = 1;
-		print_word(mm, ".br");
-		mm->need_nl = 1;
+	if (SEC_LIBRARY == n->sec)
+		outflags |= MMAN_br;
+}
+
+static int
+pre_lk(DECL_ARGS)
+{
+	const struct mdoc_node *link, *descr;
+
+	if (NULL == (link = n->child))
+		return(0);
+
+	if (NULL != (descr = link->next)) {
+		font_push('I');
+		while (NULL != descr) {
+			print_word(descr->string);
+			descr = descr->next;
+		}
+		print_word(":");
+		font_pop();
 	}
+
+	font_push('B');
+	print_word(link->string);
+	font_pop();
+	return(0);
 }
 
 static int
+pre_li(DECL_ARGS)
+{
+
+	font_push('R');
+	return(1);
+}
+
+static int
 pre_nm(DECL_ARGS)
 {
 
+	if (MDOC_BLOCK == n->type)
+		pre_syn(n);
 	if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
 		return(1);
-	if (MDOC_SYNPRETTY & n->flags) {
-		mm->need_nl = 1;
-		print_word(mm, ".br");
-		mm->need_nl = 1;
-	}
-	print_word(mm, "\\fB");
-	mm->need_space = 0;
+	if (NULL == n->child && NULL == m->name)
+		return(0);
+	font_push('B');
 	if (NULL == n->child)
-		print_word(mm, m->name);
+		print_word(m->name);
 	return(1);
 }
 
@@ -789,15 +1139,22 @@ post_nm(DECL_ARGS)
 
 	if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
 		return;
-	mm->need_space = 0;
-	print_word(mm, "\\fP");
+	font_pop();
 }
 
 static int
+pre_no(DECL_ARGS)
+{
+
+	outflags |= MMAN_spc_force;
+	return(1);
+}
+
+static int
 pre_ns(DECL_ARGS)
 {
 
-	mm->need_space = 0;
+	outflags &= ~MMAN_spc;
 	return(0);
 }
 
@@ -805,19 +1162,19 @@ static void
 post_pf(DECL_ARGS)
 {
 
-	mm->need_space = 0;
+	outflags &= ~MMAN_spc;
 }
 
 static int
 pre_pp(DECL_ARGS)
 {
 
-	mm->need_nl = 1;
+	outflags |= MMAN_nl;
 	if (MDOC_It == n->parent->tok)
-		print_word(mm, ".sp");
+		print_word(".sp");
 	else
-		print_word(mm, ".PP");
-	mm->need_nl = 1;
+		print_word(".PP");
+	outflags |= MMAN_nl;
 	return(MDOC_Rs == n->tok);
 }
 
@@ -827,9 +1184,9 @@ pre_sm(DECL_ARGS)
 
 	assert(n->child && MDOC_TEXT == n->child->type);
 	if (0 == strcmp("on", n->child->string))
-		mm->mode_space = 1;
+		outflags |= MMAN_Sm | MMAN_spc;
 	else
-		mm->mode_space = 0;
+		outflags &= ~MMAN_Sm;
 	return(0);
 }
 
@@ -837,8 +1194,8 @@ static int
 pre_sp(DECL_ARGS)
 {
 
-	mm->need_nl = 1;
-	print_word(mm, ".sp");
+	outflags |= MMAN_nl;
+	print_word(".sp");
 	return(1);
 }
 
@@ -846,28 +1203,33 @@ static void
 post_sp(DECL_ARGS)
 {
 
-	mm->need_nl = 1;
+	outflags |= MMAN_nl;
 }
 
 static int
+pre_sy(DECL_ARGS)
+{
+
+	font_push('B');
+	return(1);
+}
+
+static int
 pre_vt(DECL_ARGS)
 {
 
 	if (MDOC_SYNPRETTY & n->flags) {
 		switch (n->type) {
 		case (MDOC_BLOCK):
+			pre_syn(n);
 			return(1);
 		case (MDOC_BODY):
 			break;
 		default:
 			return(0);
 		}
-		mm->need_nl = 1;
-		print_word(mm, ".br");
-		mm->need_nl = 1;
 	}
-	print_word(mm, "\\fI");
-	mm->need_space = 0;
+	font_push('I');
 	return(1);
 }
 
@@ -875,16 +1237,9 @@ static void
 post_vt(DECL_ARGS)
 {
 
-	if (MDOC_BODY != n->type)
+	if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
 		return;
-
-	mm->need_space = 0;
-	print_word(mm, "\\fP");
-	if (MDOC_SYNPRETTY & n->flags) {
-		mm->need_nl = 1;
-		print_word(mm, ".br");
-		mm->need_nl = 1;
-	}
+	font_pop();
 }
 
 static int
@@ -894,14 +1249,14 @@ pre_xr(DECL_ARGS)
 	n = n->child;
 	if (NULL == n)
 		return(0);
-	print_node(m, n, mm);
+	print_node(m, n);
 	n = n->next;
 	if (NULL == n)
 		return(0);
-	mm->need_space = 0;
-	print_word(mm, "(");
-	print_node(m, n, mm);
-	print_word(mm, ")");
+	outflags &= ~MMAN_spc;
+	print_word("(");
+	print_node(m, n);
+	print_word(")");
 	return(0);
 }
 
@@ -909,11 +1264,11 @@ static int
 pre_ux(DECL_ARGS)
 {
 
-	print_word(mm, manacts[n->tok].prefix);
+	print_word(manacts[n->tok].prefix);
 	if (NULL == n->child)
 		return(0);
-	mm->need_space = 0;
-	print_word(mm, "\\~");
-	mm->need_space = 0;
+	outflags &= ~MMAN_spc;
+	print_word("\\~");
+	outflags &= ~MMAN_spc;
 	return(1);
 }