===================================================================
RCS file: /cvs/mandoc/mdoc_html.c,v
retrieving revision 1.64
retrieving revision 1.84
diff -u -p -r1.64 -r1.84
--- mandoc/mdoc_html.c	2010/05/17 02:38:13	1.64
+++ mandoc/mdoc_html.c	2010/06/13 21:41:58	1.84
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_html.c,v 1.64 2010/05/17 02:38:13 kristaps Exp $ */
+/*	$Id: mdoc_html.c,v 1.84 2010/06/13 21:41:58 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -27,6 +27,7 @@
 #include <string.h>
 #include <unistd.h>
 
+#include "mandoc.h"
 #include "out.h"
 #include "html.h"
 #include "mdoc.h"
@@ -52,12 +53,12 @@ static	void		  print_mdoc(MDOC_ARGS);
 static	void		  print_mdoc_head(MDOC_ARGS);
 static	void		  print_mdoc_node(MDOC_ARGS);
 static	void		  print_mdoc_nodelist(MDOC_ARGS);
+static	void	  	  synopsis_pre(struct html *, 
+				const struct mdoc_node *);
 
 static	void		  a2width(const char *, struct roffsu *);
 static	void		  a2offs(const char *, struct roffsu *);
 
-static	int		  a2list(const struct mdoc_node *);
-
 static	void		  mdoc_root_post(MDOC_ARGS);
 static	int		  mdoc_root_pre(MDOC_ARGS);
 
@@ -97,11 +98,12 @@ static	void		  mdoc_fo_post(MDOC_ARGS);
 static	int		  mdoc_fo_pre(MDOC_ARGS);
 static	int		  mdoc_ic_pre(MDOC_ARGS);
 static	int		  mdoc_in_pre(MDOC_ARGS);
-static	int		  mdoc_it_block_pre(MDOC_ARGS, int, int,
-				struct roffsu *, struct roffsu *);
-static	int		  mdoc_it_head_pre(MDOC_ARGS, int, 
+static	int		  mdoc_it_block_pre(MDOC_ARGS, enum mdoc_list,
+				int, struct roffsu *, struct roffsu *);
+static	int		  mdoc_it_head_pre(MDOC_ARGS, enum mdoc_list, 
 				struct roffsu *);
-static	int		  mdoc_it_body_pre(MDOC_ARGS, int);
+static	int		  mdoc_it_body_pre(MDOC_ARGS, enum mdoc_list,
+				struct roffsu *);
 static	int		  mdoc_it_pre(MDOC_ARGS);
 static	int		  mdoc_lb_pre(MDOC_ARGS);
 static	int		  mdoc_li_pre(MDOC_ARGS);
@@ -255,6 +257,7 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{mdoc_sp_pre, NULL}, /* br */
 	{mdoc_sp_pre, NULL}, /* sp */ 
 	{mdoc__x_pre, mdoc__x_post}, /* %U */ 
+	{NULL, NULL}, /* Ta */ 
 };
 
 
@@ -276,50 +279,6 @@ html_mdoc(void *arg, const struct mdoc *m)
 
 
 /*
- * Return the list type for `Bl', e.g., `Bl -column' returns 
- * MDOC_Column.  This can ONLY be run for lists; it will abort() if no
- * list type is found. 
- */
-static int
-a2list(const struct mdoc_node *n)
-{
-	int		 i;
-
-	assert(n->args);
-	for (i = 0; i < (int)n->args->argc; i++) 
-		switch (n->args->argv[i].arg) {
-		case (MDOC_Enum):
-			/* FALLTHROUGH */
-		case (MDOC_Dash):
-			/* FALLTHROUGH */
-		case (MDOC_Hyphen):
-			/* FALLTHROUGH */
-		case (MDOC_Bullet):
-			/* FALLTHROUGH */
-		case (MDOC_Tag):
-			/* FALLTHROUGH */
-		case (MDOC_Hang):
-			/* FALLTHROUGH */
-		case (MDOC_Inset):
-			/* FALLTHROUGH */
-		case (MDOC_Diag):
-			/* FALLTHROUGH */
-		case (MDOC_Item):
-			/* FALLTHROUGH */
-		case (MDOC_Column):
-			/* FALLTHROUGH */
-		case (MDOC_Ohang):
-			return(n->args->argv[i].arg);
-		default:
-			break;
-		}
-
-	abort();
-	/* NOTREACHED */
-}
-
-
-/*
  * Calculate the scaling unit passed in a `-width' argument.  This uses
  * either a native scaling unit (e.g., 1i, 2m) or the string length of
  * the value.
@@ -336,6 +295,55 @@ a2width(const char *p, struct roffsu *su)
 
 
 /*
+ * See the same function in mdoc_term.c for documentation.
+ */
+static void
+synopsis_pre(struct html *h, const struct mdoc_node *n)
+{
+	struct roffsu	 su;
+	struct htmlpair	 tag;
+
+	if (NULL == n->prev || SEC_SYNOPSIS != n->sec)
+		return;
+
+	SCALE_VS_INIT(&su, 1);
+	bufcat_su(h, "margin-top", &su);
+	PAIR_STYLE_INIT(&tag, h);
+
+	if (n->prev->tok == n->tok && 
+			MDOC_Fo != n->tok && 
+			MDOC_Ft != n->tok && 
+			MDOC_Fn != n->tok) {
+		print_otag(h, TAG_DIV, 0, NULL);
+		return;
+	}
+
+	switch (n->prev->tok) {
+	case (MDOC_Fd):
+		/* FALLTHROUGH */
+	case (MDOC_Fn):
+		/* FALLTHROUGH */
+	case (MDOC_Fo):
+		/* FALLTHROUGH */
+	case (MDOC_In):
+		/* FALLTHROUGH */
+	case (MDOC_Vt):
+		print_otag(h, TAG_DIV, 1, &tag);
+		break;
+	case (MDOC_Ft):
+		if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
+			print_otag(h, TAG_DIV, 1, &tag);
+			break;
+		}
+		/* FALLTHROUGH */
+	default:
+		print_otag(h, TAG_DIV, 0, NULL);
+		break;
+	}
+}
+
+
+/*
  * Calculate the scaling unit passed in an `-offset' argument.  This
  * uses either a native scaling unit (e.g., 1i, 2m), one of a set of
  * predefined strings (indent, etc.), or the string length of the value.
@@ -729,18 +737,15 @@ mdoc_nm_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	if (SEC_SYNOPSIS == n->sec && 
-			n->prev && MDOC_LINE & n->flags) {
-		bufcat_style(h, "clear", "both");
-		PAIR_STYLE_INIT(&tag, h);
-		print_otag(h, TAG_BR, 1, &tag);
-	}
+	if (NULL == n->child && NULL == m->name)
+		return(1);
 
+	synopsis_pre(h, n);
+
 	PAIR_CLASS_INIT(&tag, "name");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	if (NULL == n->child)
 		print_text(h, m->name);
-
 	return(1);
 }
 
@@ -864,7 +869,7 @@ mdoc_bx_pre(MDOC_ARGS)
 
 /* ARGSUSED */
 static int
-mdoc_it_block_pre(MDOC_ARGS, int type, int comp,
+mdoc_it_block_pre(MDOC_ARGS, enum mdoc_list type, int comp,
 		struct roffsu *offs, struct roffsu *width)
 {
 	struct htmlpair	 	 tag;
@@ -872,17 +877,16 @@ mdoc_it_block_pre(MDOC_ARGS, int type, int comp,
 	struct roffsu		 su;
 
 	nn = n->parent->parent;
-	assert(nn->args);
 
 	/* XXX: see notes in mdoc_it_pre(). */
 
-	if (MDOC_Column == type) {
+	if (LIST_column == type) {
 		/* Don't width-pad on the left. */
 		SCALE_HS_INIT(width, 0);
 		/* Also disallow non-compact. */
 		comp = 1;
 	}
-	if (MDOC_Diag == type)
+	if (LIST_diag == type)
 		/* Mandate non-compact with empty prior. */
 		if (n->prev && NULL == n->prev->body->child)
 			comp = 1;
@@ -919,17 +923,23 @@ mdoc_it_block_pre(MDOC_ARGS, int type, int comp,
 
 /* ARGSUSED */
 static int
-mdoc_it_body_pre(MDOC_ARGS, int type)
+mdoc_it_body_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
 {
 	struct htmlpair	 tag;
 	struct roffsu	 su;
 
 	switch (type) {
-	case (MDOC_Item):
+	case (LIST_item):
 		/* FALLTHROUGH */
-	case (MDOC_Ohang):
+	case (LIST_ohang):
 		/* FALLTHROUGH */
-	case (MDOC_Column):
+	case (LIST_column):
+		bufcat_su(h, "min-width", width);
+		bufcat_style(h, "clear", "none");
+		if (n->next)
+			bufcat_style(h, "float", "left");
+		PAIR_STYLE_INIT(&tag, h);
+		print_otag(h, TAG_DIV, 1, &tag);
 		break;
 	default:
 		/* 
@@ -949,25 +959,19 @@ mdoc_it_body_pre(MDOC_ARGS, int type)
 
 /* ARGSUSED */
 static int
-mdoc_it_head_pre(MDOC_ARGS, int type, struct roffsu *width)
+mdoc_it_head_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
 {
 	struct htmlpair	 tag;
 	struct ord	*ord;
 	char		 nbuf[BUFSIZ];
 
 	switch (type) {
-	case (MDOC_Item):
+	case (LIST_item):
 		return(0);
-	case (MDOC_Ohang):
+	case (LIST_ohang):
 		print_otag(h, TAG_DIV, 0, &tag);
 		return(1);
-	case (MDOC_Column):
-		bufcat_su(h, "min-width", width);
-		bufcat_style(h, "clear", "none");
-		if (n->next && MDOC_HEAD == n->next->type)
-			bufcat_style(h, "float", "left");
-		PAIR_STYLE_INIT(&tag, h);
-		print_otag(h, TAG_DIV, 1, &tag);
+	case (LIST_column):
 		break;
 	default:
 		bufcat_su(h, "min-width", width);
@@ -985,24 +989,24 @@ mdoc_it_head_pre(MDOC_ARGS, int type, struct roffsu *w
 	}
 
 	switch (type) {
-	case (MDOC_Diag):
+	case (LIST_diag):
 		PAIR_CLASS_INIT(&tag, "diag");
 		print_otag(h, TAG_SPAN, 1, &tag);
 		break;
-	case (MDOC_Enum):
+	case (LIST_enum):
 		ord = h->ords.head;
 		assert(ord);
 		nbuf[BUFSIZ - 1] = 0;
 		(void)snprintf(nbuf, BUFSIZ - 1, "%d.", ord->pos++);
 		print_text(h, nbuf);
 		return(0);
-	case (MDOC_Dash):
+	case (LIST_dash):
 		print_text(h, "\\(en");
 		return(0);
-	case (MDOC_Hyphen):
+	case (LIST_hyphen):
 		print_text(h, "\\(hy");
 		return(0);
-	case (MDOC_Bullet):
+	case (LIST_bullet):
 		print_text(h, "\\(bu");
 		return(0);
 	default:
@@ -1016,9 +1020,10 @@ mdoc_it_head_pre(MDOC_ARGS, int type, struct roffsu *w
 static int
 mdoc_it_pre(MDOC_ARGS)
 {
-	int			 i, type, wp, comp;
+	int			 i, wp, comp;
 	const struct mdoc_node	*bl, *nn;
 	struct roffsu		 width, offs;
+	enum mdoc_list		 type;
 
 	/* 
 	 * XXX: be very careful in changing anything, here.  Lists in
@@ -1030,20 +1035,22 @@ mdoc_it_pre(MDOC_ARGS)
 	if (MDOC_BLOCK != n->type)
 		bl = bl->parent;
 
-	type = a2list(bl);
+	SCALE_HS_INIT(&offs, 0);
 
-	/* Set default width and offset. */
+	type = bl->data.Bl.type;
+	comp = bl->data.Bl.comp;
 
-	SCALE_HS_INIT(&offs, 0);
+	if (bl->data.Bl.offs)
+		a2offs(bl->data.Bl.offs, &offs);
 
 	switch (type) {
-	case (MDOC_Enum):
+	case (LIST_enum):
 		/* FALLTHROUGH */
-	case (MDOC_Dash):
+	case (LIST_dash):
 		/* FALLTHROUGH */
-	case (MDOC_Hyphen):
+	case (LIST_hyphen):
 		/* FALLTHROUGH */
-	case (MDOC_Bullet):
+	case (LIST_bullet):
 		SCALE_HS_INIT(&width, 2);
 		break;
 	default:
@@ -1051,22 +1058,15 @@ mdoc_it_pre(MDOC_ARGS)
 		break;
 	}
 
-	/* Get width, offset, and compact arguments. */
+	if (bl->data.Bl.width)
+		a2width(bl->data.Bl.width, &width);
 
-	for (wp = -1, comp = i = 0; i < (int)bl->args->argc; i++) 
+	wp = -1;
+	for (i = 0; bl->args && i < (int)bl->args->argc; i++) 
 		switch (bl->args->argv[i].arg) {
 		case (MDOC_Column):
 			wp = i; /* Save for later. */
 			break;
-		case (MDOC_Width):
-			a2width(bl->args->argv[i].value[0], &width);
-			break;
-		case (MDOC_Offset):
-			a2offs(bl->args->argv[i].value[0], &offs);
-			break;
-		case (MDOC_Compact):
-			comp = 1;
-			break;
 		default:
 			break;
 		}
@@ -1074,13 +1074,13 @@ mdoc_it_pre(MDOC_ARGS)
 	/* Override width in some cases. */
 
 	switch (type) {
-	case (MDOC_Ohang):
+	case (LIST_ohang):
 		/* FALLTHROUGH */
-	case (MDOC_Item):
+	case (LIST_item):
 		/* FALLTHROUGH */
-	case (MDOC_Inset):
+	case (LIST_inset):
 		/* FALLTHROUGH */
-	case (MDOC_Diag):
+	case (LIST_diag):
 		SCALE_HS_INIT(&width, 0);
 		break;
 	default:
@@ -1089,25 +1089,21 @@ mdoc_it_pre(MDOC_ARGS)
 		break;
 	}
 
-	/* Flip to body/block processing. */
-
-	if (MDOC_BODY == n->type)
-		return(mdoc_it_body_pre(m, n, h, type));
-	if (MDOC_BLOCK == n->type)
-		return(mdoc_it_block_pre(m, n, h, type, comp,
-					&offs, &width));
-
-	/* Override column widths. */
-
-	if (MDOC_Column == type) {
+	if (LIST_column == type && MDOC_BODY == n->type) {
 		nn = n->parent->child;
-		for (i = 0; nn && nn != n; nn = nn->next, i++)
-			/* Counter... */ ;
+		for (i = 0; nn && nn != n; nn = nn->next)
+			if (MDOC_BODY == nn->type)
+				i++;
 		if (i < (int)bl->args->argv[wp].sz)
 			a2width(bl->args->argv[wp].value[i], &width);
 	}
 
-	return(mdoc_it_head_pre(m, n, h, type, &width));
+	if (MDOC_HEAD == n->type)
+		return(mdoc_it_head_pre(m, n, h, type, &width));
+	else if (MDOC_BODY == n->type)
+		return(mdoc_it_body_pre(m, n, h, type, &width));
+
+	return(mdoc_it_block_pre(m, n, h, type, comp, &offs, &width));
 }
 
 
@@ -1121,7 +1117,7 @@ mdoc_bl_pre(MDOC_ARGS)
 		return(0);
 	if (MDOC_BLOCK != n->type)
 		return(1);
-	if (MDOC_Enum != a2list(n))
+	if (LIST_enum != n->data.Bl.type)
 		return(1);
 
 	ord = malloc(sizeof(struct ord));
@@ -1145,7 +1141,7 @@ mdoc_bl_post(MDOC_ARGS)
 
 	if (MDOC_BLOCK != n->type)
 		return;
-	if (MDOC_Enum != a2list(n))
+	if (LIST_enum != n->data.Bl.type)
 		return;
 
 	ord = h->ords.head;
@@ -1181,7 +1177,7 @@ mdoc_ex_pre(MDOC_ARGS)
 			h->flags &= ~HTML_NOSPACE;
 	}
 
-	if (n->child->next)
+	if (n->child && n->child->next)
 		print_text(h, "utilities exit");
 	else
 		print_text(h, "utility exits");
@@ -1289,7 +1285,7 @@ mdoc_d1_pre(MDOC_ARGS)
 
 	/* FIXME: D1 shouldn't be literal. */
 
-	SCALE_VS_INIT(&su, INDENT - 1);
+	SCALE_VS_INIT(&su, INDENT - 2);
 	bufcat_su(h, "margin-left", &su);
 	PAIR_CLASS_INIT(&tag[0], "lit");
 	PAIR_STYLE_INIT(&tag[1], h);
@@ -1351,43 +1347,20 @@ static int
 mdoc_bd_pre(MDOC_ARGS)
 {
 	struct htmlpair	 	 tag[2];
-	int		 	 type, comp, i;
-	const struct mdoc_node	*bl, *nn;
+	int		 	 comp;
+	const struct mdoc_node	*nn;
 	struct roffsu		 su;
 
-	if (MDOC_BLOCK == n->type)
-		bl = n;
-	else if (MDOC_HEAD == n->type)
+	if (MDOC_HEAD == n->type)
 		return(0);
-	else
-		bl = n->parent;
 
 	SCALE_VS_INIT(&su, 0);
 
-	type = comp = 0;
-	for (i = 0; i < (int)bl->args->argc; i++) 
-		switch (bl->args->argv[i].arg) {
-		case (MDOC_Offset):
-			a2offs(bl->args->argv[i].value[0], &su);
-			break;
-		case (MDOC_Compact):
-			comp = 1;
-			break;
-		case (MDOC_Centred):
-			/* FALLTHROUGH */
-		case (MDOC_Ragged):
-			/* FALLTHROUGH */
-		case (MDOC_Filled):
-			/* FALLTHROUGH */
-		case (MDOC_Unfilled):
-			/* FALLTHROUGH */
-		case (MDOC_Literal):
-			type = bl->args->argv[i].arg;
-			break;
-		default:
-			break;
-		}
+	if (n->data.Bd.offs)
+		a2offs(n->data.Bd.offs, &su);
 
+	comp = n->data.Bd.comp;
+
 	/* FIXME: -centered, etc. formatting. */
 	/* FIXME: does not respect -offset ??? */
 
@@ -1413,7 +1386,8 @@ mdoc_bd_pre(MDOC_ARGS)
 		return(1);
 	}
 
-	if (MDOC_Unfilled != type && MDOC_Literal != type)
+	if (DISP_unfilled != n->data.Bd.type && 
+			DISP_literal != n->data.Bd.type)
 		return(1);
 
 	PAIR_CLASS_INIT(&tag[0], "lit");
@@ -1480,7 +1454,7 @@ mdoc_cd_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	print_otag(h, TAG_DIV, 0, NULL);
+	synopsis_pre(h, n);
 	PAIR_CLASS_INIT(&tag, "config");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
@@ -1557,17 +1531,8 @@ static int
 mdoc_fd_pre(MDOC_ARGS)
 {
 	struct htmlpair	 tag;
-	struct roffsu	 su;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
-		if (n->next && MDOC_Fd != n->next->tok) {
-			SCALE_VS_INIT(&su, 1);
-			bufcat_su(h, "margin-bottom", &su);
-			PAIR_STYLE_INIT(&tag, h);
-			print_otag(h, TAG_DIV, 1, &tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-	}
+	synopsis_pre(h, n);
 
 	PAIR_CLASS_INIT(&tag, "macro");
 	print_otag(h, TAG_SPAN, 1, &tag);
@@ -1580,18 +1545,12 @@ static int
 mdoc_vt_pre(MDOC_ARGS)
 {
 	struct htmlpair	 tag;
-	struct roffsu	 su;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_BLOCK == n->type) {
-		if (n->next && MDOC_Vt != n->next->tok) {
-			SCALE_VS_INIT(&su, 1);
-			bufcat_su(h, "margin-bottom", &su);
-			PAIR_STYLE_INIT(&tag, h);
-			print_otag(h, TAG_DIV, 1, &tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-		
+	if (MDOC_BLOCK == n->type) {
+		synopsis_pre(h, n);
 		return(1);
+	} else if (MDOC_ELEM == n->type) {
+		synopsis_pre(h, n);
 	} else if (MDOC_HEAD == n->type)
 		return(0);
 
@@ -1607,9 +1566,7 @@ mdoc_ft_pre(MDOC_ARGS)
 {
 	struct htmlpair	 tag;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
-		print_otag(h, TAG_DIV, 0, NULL);
-
+	synopsis_pre(h, n);
 	PAIR_CLASS_INIT(&tag, "ftype");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
@@ -1626,20 +1583,8 @@ mdoc_fn_pre(MDOC_ARGS)
 	char			 nbuf[BUFSIZ];
 	const char		*sp, *ep;
 	int			 sz, i;
-	struct roffsu		 su;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
-		SCALE_HS_INIT(&su, INDENT);
-		bufcat_su(h, "margin-left", &su);
-		su.scale = -su.scale;
-		bufcat_su(h, "text-indent", &su);
-		if (n->next) {
-			SCALE_VS_INIT(&su, 1);
-			bufcat_su(h, "margin-bottom", &su);
-		}
-		PAIR_STYLE_INIT(&tag[0], h);
-		print_otag(h, TAG_DIV, 1, tag);
-	}
+	synopsis_pre(h, n);
 
 	/* Split apart into type and name. */
 	assert(n->child->string);
@@ -1824,25 +1769,29 @@ mdoc_mt_pre(MDOC_ARGS)
 static int
 mdoc_fo_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag;
-	struct roffsu	su;
+	struct htmlpair	 tag;
+	struct tag	*t;
 
 	if (MDOC_BODY == n->type) {
 		h->flags |= HTML_NOSPACE;
 		print_text(h, "(");
 		h->flags |= HTML_NOSPACE;
 		return(1);
-	} else if (MDOC_BLOCK == n->type && n->next) {
-		SCALE_VS_INIT(&su, 1);
-		bufcat_su(h, "margin-bottom", &su);
-		PAIR_STYLE_INIT(&tag, h);
-		print_otag(h, TAG_DIV, 1, &tag);
+	} else if (MDOC_BLOCK == n->type) {
+		synopsis_pre(h, n);
 		return(1);
 	}
 
+	/* XXX: we drop non-initial arguments as per groff. */
+
+	assert(n->child);
+	assert(n->child->string);
+
 	PAIR_CLASS_INIT(&tag, "fname");
-	print_otag(h, TAG_SPAN, 1, &tag);
-	return(1);
+	t = print_otag(h, TAG_SPAN, 1, &tag);
+	print_text(h, n->child->string);
+	print_tagq(h, t);
+	return(0);
 }
 
 
@@ -1850,6 +1799,7 @@ mdoc_fo_pre(MDOC_ARGS)
 static void
 mdoc_fo_post(MDOC_ARGS)
 {
+
 	if (MDOC_BODY != n->type)
 		return;
 	h->flags |= HTML_NOSPACE;
@@ -1867,31 +1817,18 @@ mdoc_in_pre(MDOC_ARGS)
 	struct tag		*t;
 	struct htmlpair		 tag[2];
 	int			 i;
-	struct roffsu		 su;
 
-	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
-		if (n->next && MDOC_In != n->next->tok) {
-			SCALE_VS_INIT(&su, 1);
-			bufcat_su(h, "margin-bottom", &su);
-			PAIR_STYLE_INIT(&tag[0], h);
-			print_otag(h, TAG_DIV, 1, tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-	}
+	synopsis_pre(h, n);
 
-	/* FIXME: there's a buffer bug in here somewhere. */
-
 	PAIR_CLASS_INIT(&tag[0], "includes");
 	print_otag(h, TAG_SPAN, 1, tag);
 
-	if (SEC_SYNOPSIS == n->sec)
+	if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
 		print_text(h, "#include");
 
 	print_text(h, "<");
 	h->flags |= HTML_NOSPACE;
 
-	/* XXX -- see warning in termp_in_post(). */
-
 	for (nn = n->child; nn; nn = nn->next) {
 		PAIR_CLASS_INIT(&tag[0], "link-includes");
 		i = 1;
@@ -1951,7 +1888,7 @@ mdoc_rv_pre(MDOC_ARGS)
 			print_text(h, "()");
 	}
 
-	if (n->child->next)
+	if (n->child && n->child->next)
 		print_text(h, "functions return");
 	else
 		print_text(h, "function returns");
@@ -2040,8 +1977,7 @@ mdoc_bf_pre(MDOC_ARGS)
 		else if ( ! strcmp("Li", n->head->child->string))
 			PAIR_CLASS_INIT(&tag[0], "lit");
 	} else {
-		assert(n->args);
-		for (i = 0; i < (int)n->args->argc; i++) 
+		for (i = 0; n->args && i < (int)n->args->argc; i++) 
 			switch (n->args->argv[i].arg) {
 			case (MDOC_Symbolic):
 				PAIR_CLASS_INIT(&tag[0], "symb");