===================================================================
RCS file: /cvs/mandoc/mdoc_html.c,v
retrieving revision 1.6
retrieving revision 1.93
diff -u -p -r1.6 -r1.93
--- mandoc/mdoc_html.c	2009/09/24 11:05:45	1.6
+++ mandoc/mdoc_html.c	2010/07/04 21:59:30	1.93
@@ -1,6 +1,6 @@
-/*	$Id: mdoc_html.c,v 1.6 2009/09/24 11:05:45 kristaps Exp $ */
+/*	$Id: mdoc_html.c,v 1.93 2010/07/04 21:59:30 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,19 +14,25 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <sys/types.h>
-#include <sys/queue.h>
 
 #include <assert.h>
 #include <ctype.h>
-#include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
+#include "mandoc.h"
+#include "out.h"
 #include "html.h"
+#include "regs.h"
 #include "mdoc.h"
+#include "main.h"
 
 #define	INDENT		 5
 #define	HALFINDENT	 3
@@ -34,10 +40,11 @@
 #define	MDOC_ARGS	  const struct mdoc_meta *m, \
 			  const struct mdoc_node *n, \
 			  struct html *h
-#define	MAN_ARGS	  const struct man_meta *m, \
-			  const struct man_node *n, \
-			  struct html *h
 
+#ifndef MIN
+#define	MIN(a,b)	((/*CONSTCOND*/(a)<(b))?(a):(b))
+#endif
+
 struct	htmlmdoc {
 	int		(*pre)(MDOC_ARGS);
 	void		(*post)(MDOC_ARGS);
@@ -47,18 +54,17 @@ 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	int		  a2width(const char *);
-static	int		  a2offs(const char *);
-static	int		  a2list(const struct mdoc_node *);
+static	void		  a2width(const char *, struct roffsu *);
+static	void		  a2offs(const char *, struct roffsu *);
 
 static	void		  mdoc_root_post(MDOC_ARGS);
 static	int		  mdoc_root_pre(MDOC_ARGS);
-static	int		  mdoc_tbl_pre(MDOC_ARGS, int);
-static	int		  mdoc_tbl_block_pre(MDOC_ARGS, int, int, int, int);
-static	int		  mdoc_tbl_body_pre(MDOC_ARGS, int, int);
-static	int		  mdoc_tbl_head_pre(MDOC_ARGS, int, int);
 
+static	void		  mdoc__x_post(MDOC_ARGS);
+static	int		  mdoc__x_pre(MDOC_ARGS);
 static	int		  mdoc_ad_pre(MDOC_ARGS);
 static	int		  mdoc_an_pre(MDOC_ARGS);
 static	int		  mdoc_ap_pre(MDOC_ARGS);
@@ -93,6 +99,12 @@ 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, 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, 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);
@@ -124,11 +136,6 @@ static	int		  mdoc_vt_pre(MDOC_ARGS);
 static	int		  mdoc_xr_pre(MDOC_ARGS);
 static	int		  mdoc_xx_pre(MDOC_ARGS);
 
-#ifdef __linux__
-extern	size_t	  	  strlcpy(char *, const char *, size_t);
-extern	size_t	  	  strlcat(char *, const char *, size_t);
-#endif
-
 static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{mdoc_ap_pre, NULL}, /* Ap */
 	{NULL, NULL}, /* Dd */
@@ -171,17 +178,17 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{mdoc_va_pre, NULL}, /* Va */
 	{mdoc_vt_pre, NULL}, /* Vt */ 
 	{mdoc_xr_pre, NULL}, /* Xr */
-	{NULL, NULL}, /* %A */
-	{NULL, NULL}, /* %B */
-	{NULL, NULL}, /* %D */
-	{NULL, NULL}, /* %I */
-	{NULL, NULL}, /* %J */
-	{NULL, NULL}, /* %N */
-	{NULL, NULL}, /* %O */
-	{NULL, NULL}, /* %P */
-	{NULL, NULL}, /* %R */
-	{NULL, NULL}, /* %T */
-	{NULL, NULL}, /* %V */
+	{mdoc__x_pre, mdoc__x_post}, /* %A */
+	{mdoc__x_pre, mdoc__x_post}, /* %B */
+	{mdoc__x_pre, mdoc__x_post}, /* %D */
+	{mdoc__x_pre, mdoc__x_post}, /* %I */
+	{mdoc__x_pre, mdoc__x_post}, /* %J */
+	{mdoc__x_pre, mdoc__x_post}, /* %N */
+	{mdoc__x_pre, mdoc__x_post}, /* %O */
+	{mdoc__x_pre, mdoc__x_post}, /* %P */
+	{mdoc__x_pre, mdoc__x_post}, /* %R */
+	{mdoc__x_pre, mdoc__x_post}, /* %T */
+	{mdoc__x_pre, mdoc__x_post}, /* %V */
 	{NULL, NULL}, /* Ac */
 	{mdoc_aq_pre, mdoc_aq_post}, /* Ao */
 	{mdoc_aq_pre, mdoc_aq_post}, /* Aq */
@@ -196,7 +203,7 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{NULL, NULL}, /* Dc */
 	{mdoc_dq_pre, mdoc_dq_post}, /* Do */
 	{mdoc_dq_pre, mdoc_dq_post}, /* Dq */
-	{NULL, NULL}, /* Ec */
+	{NULL, NULL}, /* Ec */ /* FIXME: no space */
 	{NULL, NULL}, /* Ef */
 	{mdoc_em_pre, NULL}, /* Em */ 
 	{NULL, NULL}, /* Eo */
@@ -243,21 +250,18 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{mdoc_brq_pre, mdoc_brq_post}, /* Brq */ 
 	{mdoc_brq_pre, mdoc_brq_post}, /* Bro */ 
 	{NULL, NULL}, /* Brc */ 
-	{NULL, NULL}, /* %C */ 
+	{mdoc__x_pre, mdoc__x_post}, /* %C */ 
 	{NULL, NULL}, /* Es */  /* TODO */
 	{NULL, NULL}, /* En */  /* TODO */
 	{mdoc_xx_pre, NULL}, /* Dx */ 
-	{NULL, NULL}, /* %Q */ 
+	{mdoc__x_pre, mdoc__x_post}, /* %Q */ 
 	{mdoc_sp_pre, NULL}, /* br */
 	{mdoc_sp_pre, NULL}, /* sp */ 
+	{mdoc__x_pre, mdoc__x_post}, /* %U */ 
+	{NULL, NULL}, /* Ta */ 
 };
 
-static	char		  buf[BUFSIZ]; /* XXX */
 
-#define	bufcat(x)	  (void)strlcat(buf, (x), BUFSIZ) 
-#define	bufinit()	  buf[0] = 0
-#define	buffmt(...)	  (void)snprintf(buf, BUFSIZ - 1, __VA_ARGS__)
-
 void
 html_mdoc(void *arg, const struct mdoc *m)
 {
@@ -266,7 +270,7 @@ html_mdoc(void *arg, const struct mdoc *m)
 
 	h = (struct html *)arg;
 
-	print_gen_doctype(h);
+	print_gen_decls(h);
 	t = print_otag(h, TAG_HTML, 0, NULL);
 	print_mdoc(mdoc_meta(m), mdoc_node(m), h);
 	print_tagq(h, t);
@@ -275,90 +279,92 @@ html_mdoc(void *arg, const struct mdoc *m)
 }
 
 
-static int
-a2list(const struct mdoc_node *n)
+/*
+ * 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.
+ */
+static void
+a2width(const char *p, struct roffsu *su)
 {
-	int		 i;
 
-	assert(MDOC_BLOCK == n->type && MDOC_Bl == n->tok);
-	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 */
+	if ( ! a2roffsu(p, su, SCALE_MAX)) {
+		su->unit = SCALE_EM;
+		su->scale = (int)strlen(p);
+	}
 }
 
 
-static int
-a2width(const char *p)
+/*
+ * See the same function in mdoc_term.c for documentation.
+ */
+static void
+synopsis_pre(struct html *h, const struct mdoc_node *n)
 {
-	int		 i, len;
+	struct roffsu	 su;
+	struct htmlpair	 tag;
 
-	if (0 == (len = (int)strlen(p)))
-		return(0);
-	for (i = 0; i < len - 1; i++) 
-		if ( ! isdigit((u_char)p[i]))
-			break;
+	if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
+		return;
 
-	if (i == len - 1) 
-		if ('n' == p[len - 1] || 'm' == p[len - 1])
-			return(atoi(p) + 2);
+	SCALE_VS_INIT(&su, 1);
+	bufcat_su(h, "margin-top", &su);
+	PAIR_STYLE_INIT(&tag, h);
 
-	return(len + 2);
+	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;
+	}
 }
 
 
-static int
-a2offs(const char *p)
+/*
+ * 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.
+ */
+static void
+a2offs(const char *p, struct roffsu *su)
 {
-	int		 len, i;
 
-	if (0 == strcmp(p, "left"))
-		return(0);
-	if (0 == strcmp(p, "indent"))
-		return(INDENT + 1);
-	if (0 == strcmp(p, "indent-two"))
-		return((INDENT + 1) * 2);
+	/* FIXME: "right"? */
 
-	if (0 == (len = (int)strlen(p)))
-		return(0);
-
-	for (i = 0; i < len - 1; i++) 
-		if ( ! isdigit((u_char)p[i]))
-			break;
-
-	if (i == len - 1) 
-		if ('n' == p[len - 1] || 'm' == p[len - 1])
-			return(atoi(p));
-
-	return(len);
+	if (0 == strcmp(p, "left"))
+		SCALE_HS_INIT(su, 0);
+	else if (0 == strcmp(p, "indent"))
+		SCALE_HS_INIT(su, INDENT);
+	else if (0 == strcmp(p, "indent-two"))
+		SCALE_HS_INIT(su, INDENT * 2);
+	else if ( ! a2roffsu(p, su, SCALE_MAX)) {
+		su->unit = SCALE_EM;
+		su->scale = (int)strlen(p);
+	}
 }
 
 
@@ -387,21 +393,19 @@ print_mdoc(MDOC_ARGS)
 static void
 print_mdoc_head(MDOC_ARGS)
 {
-	char		b[BUFSIZ];
 
 	print_gen_head(h);
+	bufinit(h);
+	buffmt(h, "%s(%s)", m->title, m->msec);
 
-	(void)snprintf(b, BUFSIZ - 1, 
-			"%s(%d)", m->title, m->msec);
-
 	if (m->arch) {
-		(void)strlcat(b, " (", BUFSIZ);
-		(void)strlcat(b, m->arch, BUFSIZ);
-		(void)strlcat(b, ")", BUFSIZ);
+		bufcat(h, " (");
+		bufcat(h, m->arch);
+		bufcat(h, ")");
 	}
 
 	print_otag(h, TAG_TITLE, 0, NULL);
-	print_text(h, b);
+	print_text(h, h->buf);
 }
 
 
@@ -422,19 +426,18 @@ print_mdoc_node(MDOC_ARGS)
 	struct tag	*t;
 
 	child = 1;
-	t = SLIST_FIRST(&h->tags);
+	t = h->tags.head;
 
-	bufinit();
-
+	bufinit(h);
 	switch (n->type) {
 	case (MDOC_ROOT):
 		child = mdoc_root_pre(m, n, h);
 		break;
 	case (MDOC_TEXT):
 		print_text(h, n->string);
-		break;
+		return;
 	default:
-		if (mdocs[n->tok].pre)
+		if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
 			child = (*mdocs[n->tok].pre)(m, n, h);
 		break;
 	}
@@ -444,16 +447,13 @@ print_mdoc_node(MDOC_ARGS)
 
 	print_stagq(h, t);
 
-	bufinit();
-
+	bufinit(h);
 	switch (n->type) {
 	case (MDOC_ROOT):
 		mdoc_root_post(m, n, h);
 		break;
-	case (MDOC_TEXT):
-		break;
 	default:
-		if (mdocs[n->tok].post)
+		if (mdocs[n->tok].post && ENDBODY_NOT == n->end)
 			(*mdocs[n->tok].post)(m, n, h);
 		break;
 	}
@@ -464,31 +464,37 @@ print_mdoc_node(MDOC_ARGS)
 static void
 mdoc_root_post(MDOC_ARGS)
 {
-	struct tm	 tm;
-	struct htmlpair	 tag[2];
+	struct htmlpair	 tag[3];
 	struct tag	*t, *tt;
-	char		 b[BUFSIZ];
+	char		 b[DATESIZ];
 
-	(void)localtime_r(&m->date, &tm);
+	time2a(m->date, b, DATESIZ);
 
-	if (0 == strftime(b, BUFSIZ - 1, "%B %e, %Y", &tm))
-		err(EXIT_FAILURE, "strftime");
+	/*
+	 * XXX: this should use divs, but in Firefox, divs with nested
+	 * divs for some reason puke when trying to put a border line
+	 * below.  So I use tables, instead.
+	 */
 
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = "footer";
-	tag[1].key = ATTR_STYLE;
-	tag[1].val = "width: 100%;";
-	t = print_otag(h, TAG_TABLE, 2, tag);
+	PAIR_CLASS_INIT(&tag[0], "footer");
+	bufcat_style(h, "width", "100%");
+	PAIR_STYLE_INIT(&tag[1], h);
+	PAIR_SUMMARY_INIT(&tag[2], "footer");
+
+	t = print_otag(h, TAG_TABLE, 3, tag);
 	tt = print_otag(h, TAG_TR, 0, NULL);
 
-	tag[0].key = ATTR_STYLE;
-	tag[0].val = "width: 50%;";
+	bufinit(h);
+	bufcat_style(h, "width", "50%");
+	PAIR_STYLE_INIT(&tag[0], h);
 	print_otag(h, TAG_TD, 1, tag);
 	print_text(h, b);
 	print_stagq(h, tt);
 
-	tag[0].key = ATTR_STYLE;
-	tag[0].val = "width: 50%; text-align: right;";
+	bufinit(h);
+	bufcat_style(h, "width", "50%");
+	bufcat_style(h, "text-align", "right");
+	PAIR_STYLE_INIT(&tag[0], h);
 	print_otag(h, TAG_TD, 1, tag);
 	print_text(h, m->os);
 	print_tagq(h, t);
@@ -499,7 +505,7 @@ mdoc_root_post(MDOC_ARGS)
 static int
 mdoc_root_pre(MDOC_ARGS)
 {
-	struct htmlpair	 tag[2];
+	struct htmlpair	 tag[3];
 	struct tag	*t, *tt;
 	char		 b[BUFSIZ], title[BUFSIZ];
 
@@ -512,33 +518,42 @@ mdoc_root_pre(MDOC_ARGS)
 	}
 
 	(void)snprintf(title, BUFSIZ - 1, 
-			"%s(%d)", m->title, m->msec);
+			"%s(%s)", m->title, m->msec);
 
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = "header";
-	tag[1].key = ATTR_STYLE;
-	tag[1].val = "width: 100%;";
-	t = print_otag(h, TAG_TABLE, 2, tag);
+	/* XXX: see note in mdoc_root_post() about divs. */
+
+	PAIR_CLASS_INIT(&tag[0], "header");
+	bufcat_style(h, "width", "100%");
+	PAIR_STYLE_INIT(&tag[1], h);
+	PAIR_SUMMARY_INIT(&tag[2], "header");
+
+	t = print_otag(h, TAG_TABLE, 3, tag);
+
 	tt = print_otag(h, TAG_TR, 0, NULL);
 
-	tag[0].key = ATTR_STYLE;
-	tag[0].val = "width: 33%;";
+	bufinit(h);
+	bufcat_style(h, "width", "10%");
+	PAIR_STYLE_INIT(&tag[0], h);
 	print_otag(h, TAG_TD, 1, tag);
 	print_text(h, title);
 	print_stagq(h, tt);
 
-	tag[0].key = ATTR_STYLE;
-	tag[0].val = "width: 33%; text-align: center;";
+	bufinit(h);
+	bufcat_style(h, "text-align", "center");
+	bufcat_style(h, "white-space", "nowrap");
+	bufcat_style(h, "width", "80%");
+	PAIR_STYLE_INIT(&tag[0], h);
 	print_otag(h, TAG_TD, 1, tag);
 	print_text(h, b);
 	print_stagq(h, tt);
 
-	tag[0].key = ATTR_STYLE;
-	tag[0].val = "width: 33%; text-align: right;";
+	bufinit(h);
+	bufcat_style(h, "text-align", "right");
+	bufcat_style(h, "width", "10%");
+	PAIR_STYLE_INIT(&tag[0], h);
 	print_otag(h, TAG_TD, 1, tag);
 	print_text(h, title);
 	print_tagq(h, t);
-
 	return(1);
 }
 
@@ -549,49 +564,43 @@ mdoc_sh_pre(MDOC_ARGS)
 {
 	struct htmlpair		 tag[2];
 	const struct mdoc_node	*nn;
+	char			 buf[BUFSIZ];
+	struct roffsu		 su;
 
-	if (MDOC_HEAD == n->type) {
-		tag[0].key = ATTR_CLASS;
-		tag[0].val = "sec-head";
-		print_otag(h, TAG_DIV, 1, tag);
-		print_otag(h, TAG_SPAN, 1, tag);
-
-		for (nn = n->child; nn; nn = nn->next) {
-			bufcat(nn->string);
-			if (nn->next)
-				bufcat(" ");
-		}
-		tag[0].key = ATTR_NAME;
-		tag[0].val = buf;
-		print_otag(h, TAG_A, 1, tag);
+	if (MDOC_BODY == n->type) {
+		SCALE_HS_INIT(&su, INDENT);
+		bufcat_su(h, "margin-left", &su);
+		PAIR_CLASS_INIT(&tag[0], "sec-body");
+		PAIR_STYLE_INIT(&tag[1], h);
+		print_otag(h, TAG_DIV, 2, tag);
 		return(1);
 	} else if (MDOC_BLOCK == n->type) {
-		tag[0].key = ATTR_CLASS;
-		tag[0].val = "sec-block";
-
+		PAIR_CLASS_INIT(&tag[0], "sec-block");
 		if (n->prev && NULL == n->prev->body->child) {
 			print_otag(h, TAG_DIV, 1, tag);
 			return(1);
 		}
-
-		bufcat("margin-top: 1em;");
+		
+		SCALE_VS_INIT(&su, 1);
+		bufcat_su(h, "margin-top", &su);
 		if (NULL == n->next)
-			bufcat("margin-bottom: 1em;");
+			bufcat_su(h, "margin-bottom", &su);
 
-		tag[1].key = ATTR_STYLE;
-		tag[1].val = buf;
-
+		PAIR_STYLE_INIT(&tag[1], h);
 		print_otag(h, TAG_DIV, 2, tag);
 		return(1);
 	}
 
-	buffmt("margin-left: %dem;", INDENT);
-	
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = "sec-body";
-	tag[1].key = ATTR_STYLE;
-	tag[1].val = buf;
+	buf[0] = '\0';
+	for (nn = n->child; nn; nn = nn->next) {
+		html_idcat(buf, nn->string, BUFSIZ);
+		if (nn->next)
+			html_idcat(buf, " ", BUFSIZ);
+	}
 
+	PAIR_CLASS_INIT(&tag[0], "sec-head");
+	PAIR_ID_INIT(&tag[1], buf);
+
 	print_otag(h, TAG_DIV, 2, tag);
 	return(1);
 }
@@ -601,54 +610,51 @@ mdoc_sh_pre(MDOC_ARGS)
 static int
 mdoc_ss_pre(MDOC_ARGS)
 {
-	struct htmlpair	 	 tag[2];
-	int		 	 i;
+	struct htmlpair	 	 tag[3];
 	const struct mdoc_node	*nn;
+	char			 buf[BUFSIZ];
+	struct roffsu		 su;
 
-	i = 0;
+	SCALE_VS_INIT(&su, 1);
 
 	if (MDOC_BODY == n->type) {
-		tag[i].key = ATTR_CLASS;
-		tag[i++].val = "ssec-body";
+		PAIR_CLASS_INIT(&tag[0], "ssec-body");
 		if (n->parent->next && n->child) {
-			bufcat("margin-bottom: 1em;");
-			tag[i].key = ATTR_STYLE;
-			tag[i++].val = buf;
-		}
-		print_otag(h, TAG_DIV, i, tag);
+			bufcat_su(h, "margin-bottom", &su);
+			PAIR_STYLE_INIT(&tag[1], h);
+			print_otag(h, TAG_DIV, 2, tag);
+		} else
+			print_otag(h, TAG_DIV, 1, tag);
 		return(1);
 	} else if (MDOC_BLOCK == n->type) {
-		tag[i].key = ATTR_CLASS;
-		tag[i++].val = "ssec-block";
+		PAIR_CLASS_INIT(&tag[0], "ssec-block");
 		if (n->prev) {
-			bufcat("margin-top: 1em;");
-			tag[i].key = ATTR_STYLE;
-			tag[i++].val = buf;
-		}
-		print_otag(h, TAG_DIV, i, tag);
+			bufcat_su(h, "margin-top", &su);
+			PAIR_STYLE_INIT(&tag[1], h);
+			print_otag(h, TAG_DIV, 2, tag);
+		} else
+			print_otag(h, TAG_DIV, 1, tag);
 		return(1);
 	}
 
-	buffmt("margin-left: -%dem;", INDENT - HALFINDENT);
+	/* TODO: see note in mdoc_sh_pre() about duplicates. */
 
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = "ssec-head";
-	tag[1].key = ATTR_STYLE;
-	tag[1].val = buf;
-
-	print_otag(h, TAG_DIV, 2, tag);
-	print_otag(h, TAG_SPAN, 1, tag);
-
-	bufinit();
+	buf[0] = '\0';
 	for (nn = n->child; nn; nn = nn->next) {
-		bufcat(nn->string);
+		html_idcat(buf, nn->string, BUFSIZ);
 		if (nn->next)
-			bufcat(" ");
+			html_idcat(buf, " ", BUFSIZ);
 	}
-	tag[0].key = ATTR_NAME;
-	tag[0].val = buf;
-	print_otag(h, TAG_A, 1, tag);
 
+	SCALE_HS_INIT(&su, INDENT - HALFINDENT);
+	su.scale = -su.scale;
+	bufcat_su(h, "margin-left", &su);
+
+	PAIR_CLASS_INIT(&tag[0], "ssec-head");
+	PAIR_STYLE_INIT(&tag[1], h);
+	PAIR_ID_INIT(&tag[2], buf);
+
+	print_otag(h, TAG_DIV, 3, tag);
 	return(1);
 }
 
@@ -659,14 +665,21 @@ mdoc_fl_pre(MDOC_ARGS)
 {
 	struct htmlpair	 tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "flag";
-
+	PAIR_CLASS_INIT(&tag, "flag");
 	print_otag(h, TAG_SPAN, 1, &tag);
-	if (MDOC_Fl == n->tok) {
-		print_text(h, "\\-");
+
+	/* `Cm' has no leading hyphen. */
+
+	if (MDOC_Cm == n->tok)
+		return(1);
+
+	print_text(h, "\\-");
+
+	if (n->child)
 		h->flags |= HTML_NOSPACE;
-	}
+	else if (n->next && n->next->line == n->line)
+		h->flags |= HTML_NOSPACE;
+
 	return(1);
 }
 
@@ -680,10 +693,10 @@ mdoc_nd_pre(MDOC_ARGS)
 	if (MDOC_BODY != n->type)
 		return(1);
 
-	/* XXX - this can contain block elements! */
+	/* XXX: this tag in theory can contain block elements. */
+
 	print_text(h, "\\(em");
-	tag.key = ATTR_CLASS;
-	tag.val = "desc-body";
+	PAIR_CLASS_INIT(&tag, "desc-body");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -698,11 +711,11 @@ mdoc_op_pre(MDOC_ARGS)
 	if (MDOC_BODY != n->type)
 		return(1);
 
-	/* XXX - this can contain block elements! */
+	/* XXX: this tag in theory can contain block elements. */
+
 	print_text(h, "\\(lB");
 	h->flags |= HTML_NOSPACE;
-	tag.key = ATTR_CLASS;
-	tag.val = "opt";
+	PAIR_CLASS_INIT(&tag, "opt");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -723,22 +736,70 @@ mdoc_op_post(MDOC_ARGS)
 static int
 mdoc_nm_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag;
+	struct htmlpair	 tag;
+	struct roffsu	 su;
+	const char	*cp;
 
-	if ( ! (HTML_NEWLINE & h->flags))
-		if (SEC_SYNOPSIS == n->sec) {
-			tag.key = ATTR_STYLE;
-			tag.val = "clear: both;";
-			print_otag(h, TAG_BR, 1, &tag);
+	/*
+	 * Accomodate for `Nm' being both an element (which may have
+	 * NULL children AND no m->name) and a block.
+	 */
+
+	cp = NULL;
+
+	if (MDOC_ELEM == n->type) {
+		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);
+	} else if (MDOC_BLOCK == n->type) {
+		synopsis_pre(h, n);
+
+		bufcat_style(h, "clear", "both");
+		if (n->head->child || m->name) {
+			if (n->head->child && MDOC_TEXT == 
+					n->head->child->type)
+				cp = n->head->child->string;
+			if (NULL == cp || '\0' == *cp)
+				cp = m->name;
+
+			SCALE_HS_INIT(&su, (double)strlen(cp));
+			bufcat_su(h, "padding-left", &su);
 		}
 
-	tag.key = ATTR_CLASS;
-	tag.val = "name";
+		PAIR_STYLE_INIT(&tag, h);
+		print_otag(h, TAG_DIV, 1, &tag);
+	} else if (MDOC_HEAD == n->type) { 
+		if (NULL == n->child && NULL == m->name)
+			return(1);
 
-	print_otag(h, TAG_SPAN, 1, &tag);
-	if (NULL == n->child)
-		print_text(h, m->name);
+		if (n->child && MDOC_TEXT == n->child->type)
+			cp = n->child->string;
+		if (NULL == cp || '\0' == *cp)
+			cp = m->name;
 
+		SCALE_HS_INIT(&su, (double)strlen(cp));
+
+		bufcat_style(h, "float", "left");
+		bufcat_su(h, "min-width", &su);
+		SCALE_INVERT(&su);
+		bufcat_su(h, "margin-left", &su);
+
+		PAIR_STYLE_INIT(&tag, h);
+		print_otag(h, TAG_DIV, 1, &tag);
+
+		if (NULL == n->child)
+			print_text(h, m->name);
+	} else if (MDOC_BODY == n->type) {
+		SCALE_HS_INIT(&su, 2);
+		bufcat_su(h, "margin-left", &su);
+		PAIR_STYLE_INIT(&tag, h);
+		print_otag(h, TAG_DIV, 1, &tag);
+	}
+
 	return(1);
 }
 
@@ -748,24 +809,25 @@ static int
 mdoc_xr_pre(MDOC_ARGS)
 {
 	struct htmlpair	 	 tag[2];
-	const char		*name, *sec;
 	const struct mdoc_node	*nn;
 
-	nn = n->child;
-	name = nn && nn->string ? nn->string : "";
-	nn = nn ? nn->next : NULL;
-	sec = nn && nn->string ? nn->string : "";
+	if (NULL == n->child)
+		return(0);
 
-	buffmt("%s%s%s.html", name, name && sec ? "." : "", sec);
+	PAIR_CLASS_INIT(&tag[0], "link-man");
 
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = "link-man";
-	tag[1].key = ATTR_HREF;
-	tag[1].val = buf;
-	print_otag(h, TAG_A, 2, tag);
+	if (h->base_man) {
+		buffmt_man(h, n->child->string, 
+				n->child->next ? 
+				n->child->next->string : NULL);
+		PAIR_HREF_INIT(&tag[1], h->buf);
+		print_otag(h, TAG_A, 2, tag);
+	} else
+		print_otag(h, TAG_A, 1, tag);
 
 	nn = n->child;
 	print_text(h, nn->string);
+
 	if (NULL == (nn = nn->next))
 		return(0);
 
@@ -775,7 +837,6 @@ mdoc_xr_pre(MDOC_ARGS)
 	print_text(h, nn->string);
 	h->flags |= HTML_NOSPACE;
 	print_text(h, ")");
-
 	return(0);
 }
 
@@ -796,9 +857,7 @@ mdoc_ar_pre(MDOC_ARGS)
 {
 	struct htmlpair tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "arg";
-
+	PAIR_CLASS_INIT(&tag, "arg");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -816,7 +875,7 @@ mdoc_xx_pre(MDOC_ARGS)
 		pp = "BSDI BSD/OS";
 		break;
 	case (MDOC_Dx):
-		pp = "DragonFlyBSD";
+		pp = "DragonFly";
 		break;
 	case (MDOC_Fx):
 		pp = "FreeBSD";
@@ -834,9 +893,7 @@ mdoc_xx_pre(MDOC_ARGS)
 		return(1);
 	}
 
-	tag.key = ATTR_CLASS;
-	tag.val = "unix";
-
+	PAIR_CLASS_INIT(&tag, "unix");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	print_text(h, pp);
 	return(1);
@@ -850,9 +907,7 @@ mdoc_bx_pre(MDOC_ARGS)
 	const struct mdoc_node	*nn;
 	struct htmlpair		 tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "unix";
-
+	PAIR_CLASS_INIT(&tag, "unix");
 	print_otag(h, TAG_SPAN, 1, &tag);
 
 	for (nn = n->child; nn; nn = nn->next)
@@ -868,32 +923,53 @@ mdoc_bx_pre(MDOC_ARGS)
 
 /* ARGSUSED */
 static int
-mdoc_tbl_block_pre(MDOC_ARGS, int t, int w, int o, int c)
+mdoc_it_block_pre(MDOC_ARGS, enum mdoc_list type, int comp,
+		struct roffsu *offs, struct roffsu *width)
 {
-	struct htmlpair	 tag;
+	struct htmlpair	 	 tag;
+	const struct mdoc_node	*nn;
+	struct roffsu		 su;
 
-	switch (t) {
-	case (MDOC_Column):
-		/* FALLTHROUGH */
-	case (MDOC_Item):
-		/* FALLTHROUGH */
-	case (MDOC_Ohang):
-		buffmt("margin-left: %dem; clear: both;", o);
-		break;
-	default:
-		buffmt("margin-left: %dem; clear: both;", w + o);
-		break;
+	nn = n->parent->parent;
+
+	/* XXX: see notes in mdoc_it_pre(). */
+
+	if (LIST_column == type) {
+		/* Don't width-pad on the left. */
+		SCALE_HS_INIT(width, 0);
+		/* Also disallow non-compact. */
+		comp = 1;
 	}
+	if (LIST_diag == type)
+		/* Mandate non-compact with empty prior. */
+		if (n->prev && NULL == n->prev->body->child)
+			comp = 1;
 
-	if ( ! c && MDOC_Column != t) {
-	       if (n->prev && n->prev->body->child)
-		       bufcat("padding-top: 1em;");
-	       else if (NULL == n->prev)
-		       bufcat("padding-top: 1em;");
+	bufcat_style(h, "clear", "both");
+	if (offs->scale > 0)
+		bufcat_su(h, "margin-left", offs);
+	if (width->scale > 0)
+		bufcat_su(h, "padding-left", width);
+
+	PAIR_STYLE_INIT(&tag, h);
+
+	/* Mandate compact following `Ss' and `Sh' starts. */
+
+	for (nn = n; nn && ! comp; nn = nn->parent) {
+		if (MDOC_BLOCK != nn->type)
+			continue;
+		if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
+			comp = 1;
+		if (nn->prev)
+			break;
 	}
 
-	tag.key = ATTR_STYLE;
-	tag.val = buf;
+	if ( ! comp) {
+		SCALE_VS_INIT(&su, 1);
+		bufcat_su(h, "padding-top", &su);
+	}
+
+	PAIR_STYLE_INIT(&tag, h);
 	print_otag(h, TAG_DIV, 1, &tag);
 	return(1);
 }
@@ -901,70 +977,90 @@ mdoc_tbl_block_pre(MDOC_ARGS, int t, int w, int o, int
 
 /* ARGSUSED */
 static int
-mdoc_tbl_body_pre(MDOC_ARGS, int t, int w)
+mdoc_it_body_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
 {
+	struct htmlpair	 tag;
+	struct roffsu	 su;
 
-	print_otag(h, TAG_DIV, 0, NULL);
+	switch (type) {
+	case (LIST_item):
+		/* FALLTHROUGH */
+	case (LIST_ohang):
+		/* FALLTHROUGH */
+	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:
+		/* 
+		 * XXX: this tricks CSS into aligning the bodies with
+		 * the right-padding in the head. 
+		 */
+		SCALE_HS_INIT(&su, 2);
+		bufcat_su(h, "margin-left", &su);
+		PAIR_STYLE_INIT(&tag, h);
+		print_otag(h, TAG_DIV, 1, &tag);
+		break;
+	}
+
 	return(1);
 }
 
 
 /* ARGSUSED */
 static int
-mdoc_tbl_head_pre(MDOC_ARGS, int t, int w)
+mdoc_it_head_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
 {
 	struct htmlpair	 tag;
 	struct ord	*ord;
 	char		 nbuf[BUFSIZ];
 
-	switch (t) {
-	case (MDOC_Item):
-		/* FALLTHROUGH */
-	case (MDOC_Ohang):
-		print_otag(h, TAG_DIV, 0, NULL);
+	switch (type) {
+	case (LIST_item):
+		return(0);
+	case (LIST_ohang):
+		print_otag(h, TAG_DIV, 0, &tag);
+		return(1);
+	case (LIST_column):
 		break;
-	case (MDOC_Column):
-		buffmt("min-width: %dem;", w);
-		bufcat("clear: none;");
-		if (n->next && MDOC_HEAD == n->next->type)
-			bufcat("float: left;");
-		tag.key = ATTR_STYLE;
-		tag.val = buf;
-		print_otag(h, TAG_DIV, 1, &tag);
-		break;
 	default:
-		buffmt("margin-left: -%dem; min-width: %dem;", 
-				w, w ? w - 1 : 0);
-		bufcat("clear: left;");
+		bufcat_su(h, "min-width", width);
+		SCALE_INVERT(width);
+		bufcat_su(h, "margin-left", width);
 		if (n->next && n->next->child)
-			bufcat("float: left;");
-		bufcat("padding-right: 1em;");
-		tag.key = ATTR_STYLE;
-		tag.val = buf;
+			bufcat_style(h, "float", "left");
+
+		/* XXX: buffer if we run into body. */
+		SCALE_HS_INIT(width, 1);
+		bufcat_su(h, "margin-right", width);
+		PAIR_STYLE_INIT(&tag, h);
 		print_otag(h, TAG_DIV, 1, &tag);
 		break;
 	}
 
-	switch (t) {
-	case (MDOC_Diag):
-		tag.key = ATTR_CLASS;
-		tag.val = "diag";
+	switch (type) {
+	case (LIST_diag):
+		PAIR_CLASS_INIT(&tag, "diag");
 		print_otag(h, TAG_SPAN, 1, &tag);
 		break;
-	case (MDOC_Enum):
-		ord = SLIST_FIRST(&h->ords);
+	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:
@@ -976,78 +1072,83 @@ mdoc_tbl_head_pre(MDOC_ARGS, int t, int w)
 
 
 static int
-mdoc_tbl_pre(MDOC_ARGS, int type)
+mdoc_it_pre(MDOC_ARGS)
 {
-	int			 i, w, o, c, wp;
+	int			 i, 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
+	 * mandoc have many peculiarities; furthermore, they don't
+	 * translate well into HTML and require a bit of mangling.
+	 */
+
 	bl = n->parent->parent;
-	if (MDOC_BLOCK != n->type) 
+	if (MDOC_BLOCK != n->type)
 		bl = bl->parent;
 
-	/* FIXME: fmt_vspace() equivalent. */
+	SCALE_HS_INIT(&offs, 0);
 
-	assert(bl->args);
+	assert(bl->data.Bl);
+	type = bl->data.Bl->type;
+	comp = bl->data.Bl->comp;
 
-	w = o = c = 0;
-	wp = -1;
+	if (bl->data.Bl->offs)
+		a2offs(bl->data.Bl->offs, &offs);
 
-	for (i = 0; i < (int)bl->args->argc; i++) 
-		if (MDOC_Width == bl->args->argv[i].arg) {
-			assert(bl->args->argv[i].sz);
-			wp = i;
-			w = a2width(bl->args->argv[i].value[0]);
-		} else if (MDOC_Offset == bl->args->argv[i].arg) {
-			assert(bl->args->argv[i].sz);
-			o = a2offs(bl->args->argv[i].value[0]);
-		} else if (MDOC_Compact == bl->args->argv[i].arg) 
-			c = 1;
-	
-	if (MDOC_HEAD == n->type && MDOC_Column == type) {
-		nn = n->parent->child;
-		assert(nn && MDOC_HEAD == nn->type);
-		for (i = 0; nn && nn != n; nn = nn->next, i++)
-			/* Counter... */ ;
-		assert(nn);
-		if (wp >= 0 && i < (int)bl->args[wp].argv->sz)
-			w = a2width(bl->args->argv[wp].value[i]);
-	}
-
 	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):
-		if (w < 4)
-			w = 4;
+	case (LIST_bullet):
+		SCALE_HS_INIT(&width, 2);
 		break;
-	case (MDOC_Inset):
-		/* FALLTHROUGH */
-	case (MDOC_Diag):
-		w = 1;
-		break;
 	default:
-		if (0 == w)
-			w = 10;
+		SCALE_HS_INIT(&width, INDENT);
 		break;
 	}
 
-	switch (n->type) {
-	case (MDOC_BLOCK):
+	if (bl->data.Bl->width)
+		a2width(bl->data.Bl->width, &width);
+
+	/* Override width in some cases. */
+
+	switch (type) {
+	case (LIST_ohang):
+		/* FALLTHROUGH */
+	case (LIST_item):
+		/* FALLTHROUGH */
+	case (LIST_inset):
+		/* FALLTHROUGH */
+	case (LIST_diag):
+		SCALE_HS_INIT(&width, 0);
 		break;
-	case (MDOC_HEAD):
-		return(mdoc_tbl_head_pre(m, n, h, type, w));
-	case (MDOC_BODY):
-		return(mdoc_tbl_body_pre(m, n, h, type, w));
 	default:
-		abort();
-		/* NOTREACHED */
+		if (0 == width.scale)
+			SCALE_HS_INIT(&width, INDENT);
+		break;
 	}
 
-	return(mdoc_tbl_block_pre(m, n, h, type, w, o, c));
+	if (LIST_column == type && MDOC_BODY == n->type) {
+		nn = n->parent->child;
+		for (i = 0; nn && nn != n; nn = nn->next)
+			if (MDOC_BODY == nn->type)
+				i++;
+		if (i < (int)bl->data.Bl->ncols)
+			a2width(bl->data.Bl->cols[i], &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));
 }
 
 
@@ -1057,18 +1158,23 @@ mdoc_bl_pre(MDOC_ARGS)
 {
 	struct ord	*ord;
 
+	if (MDOC_HEAD == n->type)
+		return(0);
 	if (MDOC_BLOCK != n->type)
 		return(1);
-	if (MDOC_Enum != a2list(n))
+	assert(n->data.Bl);
+	if (LIST_enum != n->data.Bl->type)
 		return(1);
 
 	ord = malloc(sizeof(struct ord));
-	if (NULL == ord)
-		err(EXIT_FAILURE, "malloc");
+	if (NULL == ord) {
+		perror(NULL);
+		exit(EXIT_FAILURE);
+	}
 	ord->cookie = n;
 	ord->pos = 1;
-	SLIST_INSERT_HEAD(&h->ords, ord, entry);
-
+	ord->next = h->ords.head;
+	h->ords.head = ord;
 	return(1);
 }
 
@@ -1081,30 +1187,16 @@ 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 = SLIST_FIRST(&h->ords);
+	ord = h->ords.head;
 	assert(ord);
-	SLIST_REMOVE_HEAD(&h->ords, entry);
+	h->ords.head = ord->next;
 	free(ord);
 }
 
 
-static int
-mdoc_it_pre(MDOC_ARGS)
-{
-	int		 type;
-
-	if (MDOC_BLOCK == n->type)
-		type = a2list(n->parent->parent);
-	else
-		type = a2list(n->parent->parent->parent);
-
-	return(mdoc_tbl_pre(m, n, h, type));
-}
-
-
 /* ARGSUSED */
 static int
 mdoc_ex_pre(MDOC_ARGS)
@@ -1113,11 +1205,9 @@ mdoc_ex_pre(MDOC_ARGS)
 	struct tag		*t;
 	struct htmlpair		 tag;
 
-	print_text(h, "The");
+	PAIR_CLASS_INIT(&tag, "utility");
 
-	tag.key = ATTR_CLASS;
-	tag.val = "utility";
-
+	print_text(h, "The");
 	for (nn = n->child; nn; nn = nn->next) {
 		t = print_otag(h, TAG_SPAN, 1, &tag);
 		print_text(h, nn->string);
@@ -1133,7 +1223,7 @@ 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");
@@ -1223,9 +1313,7 @@ mdoc_em_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "emph";
-
+	PAIR_CLASS_INIT(&tag, "emph");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1235,18 +1323,18 @@ mdoc_em_pre(MDOC_ARGS)
 static int
 mdoc_d1_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag[2];
+	struct htmlpair	 tag[2];
+	struct roffsu	 su;
 
 	if (MDOC_BLOCK != n->type)
 		return(1);
 
-	buffmt("margin-left: %dem;", INDENT);
+	/* FIXME: D1 shouldn't be literal. */
 
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = "lit";
-	tag[1].key = ATTR_STYLE;
-	tag[1].val = buf;
-
+	SCALE_VS_INIT(&su, INDENT - 2);
+	bufcat_su(h, "margin-left", &su);
+	PAIR_CLASS_INIT(&tag[0], "lit");
+	PAIR_STYLE_INIT(&tag[1], h);
 	print_otag(h, TAG_DIV, 2, tag);
 	return(1);
 }
@@ -1258,18 +1346,17 @@ mdoc_sx_pre(MDOC_ARGS)
 {
 	struct htmlpair		 tag[2];
 	const struct mdoc_node	*nn;
+	char			 buf[BUFSIZ];
 
-	bufcat("#");
+	strlcpy(buf, "#", BUFSIZ);
 	for (nn = n->child; nn; nn = nn->next) {
-		bufcat(nn->string);
+		html_idcat(buf, nn->string, BUFSIZ);
 		if (nn->next)
-			bufcat(" ");
+			html_idcat(buf, " ", BUFSIZ);
 	}
 
-	tag[0].key = ATTR_HREF;
-	tag[0].val = buf;
-	tag[1].key = ATTR_CLASS;
-	tag[1].val = "link-sec";
+	PAIR_CLASS_INIT(&tag[0], "link-sec");
+	PAIR_HREF_INIT(&tag[1], buf);
 
 	print_otag(h, TAG_A, 2, tag);
 	return(1);
@@ -1306,71 +1393,64 @@ static int
 mdoc_bd_pre(MDOC_ARGS)
 {
 	struct htmlpair	 	 tag[2];
-	int		 	 t, c, o, i;
-	const struct mdoc_node	*bl;
+	int		 	 comp;
+	const struct mdoc_node	*nn;
+	struct roffsu		 su;
 
-	/* FIXME: fmt_vspace() shit. */
-
-	if (MDOC_BLOCK == n->type)
-		bl = n;
-	else if (MDOC_HEAD == n->type)
+	if (MDOC_HEAD == n->type)
 		return(0);
-	else
-		bl = n->parent;
 
-	t = o = c = 0;
+	SCALE_VS_INIT(&su, 0);
 
-	for (i = 0; i < (int)bl->args->argc; i++) 
-		switch (bl->args->argv[i].arg) {
-		case (MDOC_Offset):
-			assert(bl->args->argv[i].sz);
-			o = a2offs (bl->args->argv[i].value[0]);
-			break;
-		case (MDOC_Compact):
-			c = 1;
-			break;
-		case (MDOC_Ragged):
-			/* FALLTHROUGH */
-		case (MDOC_Filled):
-			/* FALLTHROUGH */
-		case (MDOC_Unfilled):
-			/* FALLTHROUGH */
-		case (MDOC_Literal):
-			t = bl->args->argv[i].arg;
-			break;
-		}
+	assert(n->data.Bd);
+	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 ??? */
+
 	if (MDOC_BLOCK == n->type) {
-		if (o)
-			buffmt("margin-left: %dem;", o);
-		bufcat("margin-top: 1em;");
-		tag[0].key = ATTR_STYLE;
-		tag[0].val = buf;
+		bufcat_su(h, "margin-left", &su);
+		for (nn = n; nn && ! comp; nn = nn->parent) {
+			if (MDOC_BLOCK != nn->type)
+				continue;
+			if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
+				comp = 1;
+			if (nn->prev)
+				break;
+		}
+		if (comp) {
+			PAIR_STYLE_INIT(&tag[0], h);
+			print_otag(h, TAG_DIV, 1, tag);
+			return(1);
+		}
+		SCALE_VS_INIT(&su, 1);
+		bufcat_su(h, "margin-top", &su);
+		PAIR_STYLE_INIT(&tag[0], h);
 		print_otag(h, TAG_DIV, 1, tag);
 		return(1);
 	}
 
-	switch (t) {
-	case (MDOC_Unfilled):
-	case (MDOC_Literal):
-		break;
-	default:
+	if (DISP_unfilled != n->data.Bd->type && 
+			DISP_literal != n->data.Bd->type)
 		return(1);
-	}
 
-	bufcat("white-space: pre;");
-	tag[0].key = ATTR_STYLE;
-	tag[0].val = buf;
-	tag[1].key = ATTR_CLASS;
-	tag[1].val = "lit";
-
+	PAIR_CLASS_INIT(&tag[0], "lit");
+	bufcat_style(h, "white-space", "pre");
+	PAIR_STYLE_INIT(&tag[1], h);
 	print_otag(h, TAG_DIV, 2, tag);
 
-	for (n = n->child; n; n = n->next) {
+	for (nn = n->child; nn; nn = nn->next) {
 		h->flags |= HTML_NOSPACE;
-		print_mdoc_node(m, n, h);
-		if (n->next)
+		print_mdoc_node(m, nn, h);
+		if (NULL == nn->next)
+			continue;
+		if (nn->prev && nn->prev->line < nn->line)
 			print_text(h, "\n");
+		else if (NULL == nn->prev)
+			print_text(h, "\n");
 	}
 
 	return(0);
@@ -1383,9 +1463,7 @@ mdoc_pa_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "file";
-
+	PAIR_CLASS_INIT(&tag, "file");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1397,8 +1475,7 @@ mdoc_ad_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "addr";
+	PAIR_CLASS_INIT(&tag, "addr");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1410,8 +1487,9 @@ mdoc_an_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "author";
+	/* TODO: -split and -nosplit (see termp_an_pre()). */
+
+	PAIR_CLASS_INIT(&tag, "author");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1423,8 +1501,8 @@ mdoc_cd_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "config";
+	synopsis_pre(h, n);
+	PAIR_CLASS_INIT(&tag, "config");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1436,8 +1514,7 @@ mdoc_dv_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "define";
+	PAIR_CLASS_INIT(&tag, "define");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1449,8 +1526,7 @@ mdoc_ev_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "env";
+	PAIR_CLASS_INIT(&tag, "env");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1462,8 +1538,7 @@ mdoc_er_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "errno";
+	PAIR_CLASS_INIT(&tag, "errno");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1477,9 +1552,7 @@ mdoc_fa_pre(MDOC_ARGS)
 	struct htmlpair		 tag;
 	struct tag		*t;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "farg";
-
+	PAIR_CLASS_INIT(&tag, "farg");
 	if (n->parent->tok != MDOC_Fo) {
 		print_otag(h, TAG_SPAN, 1, &tag);
 		return(1);
@@ -1504,19 +1577,11 @@ mdoc_fa_pre(MDOC_ARGS)
 static int
 mdoc_fd_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag;
+	struct htmlpair	 tag;
 
-	if (SEC_SYNOPSIS == n->sec) {
-		if (n->next && MDOC_Fd != n->next->tok) {
-			tag.key = ATTR_STYLE;
-			tag.val = "margin-bottom: 1em;";
-			print_otag(h, TAG_DIV, 1, &tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-	}
+	synopsis_pre(h, n);
 
-	tag.key = ATTR_CLASS;
-	tag.val = "macro";
+	PAIR_CLASS_INIT(&tag, "macro");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1526,19 +1591,17 @@ mdoc_fd_pre(MDOC_ARGS)
 static int
 mdoc_vt_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag;
+	struct htmlpair	 tag;
 
-	if (SEC_SYNOPSIS == n->sec) {
-		if (n->next && MDOC_Vt != n->next->tok) {
-			tag.key = ATTR_STYLE;
-			tag.val = "margin-bottom: 1em;";
-			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);
 
-	tag.key = ATTR_CLASS;
-	tag.val = "type";
+	PAIR_CLASS_INIT(&tag, "type");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1548,19 +1611,10 @@ mdoc_vt_pre(MDOC_ARGS)
 static int
 mdoc_ft_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag;
+	struct htmlpair	 tag;
 
-	if (SEC_SYNOPSIS == n->sec) {
-		if (n->prev && MDOC_Fo == n->prev->tok) {
-			tag.key = ATTR_STYLE;
-			tag.val = "margin-top: 1em;";
-			print_otag(h, TAG_DIV, 1, &tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-	}
-
-	tag.key = ATTR_CLASS;
-	tag.val = "type";
+	synopsis_pre(h, n);
+	PAIR_CLASS_INIT(&tag, "ftype");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1571,34 +1625,74 @@ static int
 mdoc_fn_pre(MDOC_ARGS)
 {
 	struct tag		*t;
-	struct htmlpair	 	 tag;
+	struct htmlpair	 	 tag[2];
 	const struct mdoc_node	*nn;
+	char			 nbuf[BUFSIZ];
+	const char		*sp, *ep;
+	int			 sz, i;
 
-	if (SEC_SYNOPSIS == n->sec) {
-		if (n->next) {
-			tag.key = ATTR_STYLE;
-			tag.val = "margin-bottom: 1em";
-			print_otag(h, TAG_DIV, 1, &tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
+	synopsis_pre(h, n);
+
+	/* Split apart into type and name. */
+	assert(n->child->string);
+	sp = n->child->string;
+
+	ep = strchr(sp, ' ');
+	if (NULL != ep) {
+		PAIR_CLASS_INIT(&tag[0], "ftype");
+		t = print_otag(h, TAG_SPAN, 1, tag);
+	
+		while (ep) {
+			sz = MIN((int)(ep - sp), BUFSIZ - 1);
+			(void)memcpy(nbuf, sp, (size_t)sz);
+			nbuf[sz] = '\0';
+			print_text(h, nbuf);
+			sp = ++ep;
+			ep = strchr(sp, ' ');
+		}
+		print_tagq(h, t);
 	}
 
-	tag.key = ATTR_CLASS;
-	tag.val = "type";
+	PAIR_CLASS_INIT(&tag[0], "fname");
 
-	/* FIXME: can be "type funcname" "type varname"... */
+	/*
+	 * FIXME: only refer to IDs that we know exist.
+	 */
 
-	t = print_otag(h, TAG_SPAN, 1, &tag);
-	print_text(h, n->child->string);
+#if 0
+	if (MDOC_SYNPRETTY & n->flags) {
+		nbuf[0] = '\0';
+		html_idcat(nbuf, sp, BUFSIZ);
+		PAIR_ID_INIT(&tag[1], nbuf);
+	} else {
+		strlcpy(nbuf, "#", BUFSIZ);
+		html_idcat(nbuf, sp, BUFSIZ);
+		PAIR_HREF_INIT(&tag[1], nbuf);
+	}
+#endif
+
+	t = print_otag(h, TAG_SPAN, 1, tag);
+
+	if (sp) {
+		strlcpy(nbuf, sp, BUFSIZ);
+		print_text(h, nbuf);
+	}
+
 	print_tagq(h, t);
 
 	h->flags |= HTML_NOSPACE;
 	print_text(h, "(");
 
+	bufinit(h);
+	PAIR_CLASS_INIT(&tag[0], "farg");
+	bufcat_style(h, "white-space", "nowrap");
+	PAIR_STYLE_INIT(&tag[1], h);
+
 	for (nn = n->child->next; nn; nn = nn->next) {
-		tag.key = ATTR_CLASS;
-		tag.val = "farg";
-		t = print_otag(h, TAG_SPAN, 1, &tag);
+		i = 1;
+		if (MDOC_SYNPRETTY & n->flags)
+			i = 2;
+		t = print_otag(h, TAG_SPAN, i, tag);
 		print_text(h, nn->string);
 		print_tagq(h, t);
 		if (nn->next)
@@ -1606,8 +1700,7 @@ mdoc_fn_pre(MDOC_ARGS)
 	}
 
 	print_text(h, ")");
-
-	if (SEC_SYNOPSIS == n->sec)
+	if (MDOC_SYNPRETTY & n->flags)
 		print_text(h, ";");
 
 	return(0);
@@ -1618,11 +1711,13 @@ mdoc_fn_pre(MDOC_ARGS)
 static int
 mdoc_sp_pre(MDOC_ARGS)
 {
-	int		len;
-	struct htmlpair	tag;
+	int		 len;
+	struct htmlpair	 tag;
+	struct roffsu	 su;
 
 	switch (n->tok) {
 	case (MDOC_sp):
+		/* FIXME: can this have a scaling indicator? */
 		len = n->child ? atoi(n->child->string) : 1;
 		break;
 	case (MDOC_br):
@@ -1633,12 +1728,15 @@ mdoc_sp_pre(MDOC_ARGS)
 		break;
 	}
 
-	buffmt("height: %dem", len);
-	tag.key = ATTR_STYLE;
-	tag.val = buf;
+	SCALE_VS_INIT(&su, len);
+	bufcat_su(h, "height", &su);
+	PAIR_STYLE_INIT(&tag, h);
 	print_otag(h, TAG_DIV, 1, &tag);
-	return(1);
+	/* So the div isn't empty: */
+	print_text(h, "\\~");
 
+	return(0);
+
 }
 
 
@@ -1676,14 +1774,11 @@ mdoc_lk_pre(MDOC_ARGS)
 
 	nn = n->child;
 
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = "link-ext";
-	tag[1].key = ATTR_HREF;
-	tag[1].val = nn->string;
-
+	PAIR_CLASS_INIT(&tag[0], "link-ext");
+	PAIR_HREF_INIT(&tag[1], nn->string);
 	print_otag(h, TAG_A, 2, tag);
 
-	if (NULL == nn->next)
+	if (NULL == nn->next) 
 		return(1);
 
 	for (nn = nn->next; nn; nn = nn->next) 
@@ -1701,17 +1796,13 @@ mdoc_mt_pre(MDOC_ARGS)
 	struct tag		*t;
 	const struct mdoc_node	*nn;
 
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = "link-mail";
+	PAIR_CLASS_INIT(&tag[0], "link-mail");
 
 	for (nn = n->child; nn; nn = nn->next) {
-		bufinit();
-		bufcat("mailto:");
-		bufcat(nn->string);
-
-		tag[1].key = ATTR_HREF;
-		tag[1].val = buf;
-
+		bufinit(h);
+		bufcat(h, "mailto:");
+		bufcat(h, nn->string);
+		PAIR_HREF_INIT(&tag[1], h->buf);
 		t = print_otag(h, TAG_A, 2, tag);
 		print_text(h, nn->string);
 		print_tagq(h, t);
@@ -1725,20 +1816,29 @@ mdoc_mt_pre(MDOC_ARGS)
 static int
 mdoc_fo_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag;
+	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)
+	} else if (MDOC_BLOCK == n->type) {
+		synopsis_pre(h, n);
 		return(1);
+	}
 
-	tag.key = ATTR_CLASS;
-	tag.val = "fname";
-	print_otag(h, TAG_SPAN, 1, &tag);
-	return(1);
+	/* XXX: we drop non-initial arguments as per groff. */
+
+	assert(n->child);
+	assert(n->child->string);
+
+	PAIR_CLASS_INIT(&tag, "fname");
+	t = print_otag(h, TAG_SPAN, 1, &tag);
+	print_text(h, n->child->string);
+	print_tagq(h, t);
+	return(0);
 }
 
 
@@ -1746,6 +1846,7 @@ mdoc_fo_pre(MDOC_ARGS)
 static void
 mdoc_fo_post(MDOC_ARGS)
 {
+
 	if (MDOC_BODY != n->type)
 		return;
 	h->flags |= HTML_NOSPACE;
@@ -1760,32 +1861,34 @@ static int
 mdoc_in_pre(MDOC_ARGS)
 {
 	const struct mdoc_node	*nn;
-	struct htmlpair		 tag;
+	struct tag		*t;
+	struct htmlpair		 tag[2];
+	int			 i;
 
-	if (SEC_SYNOPSIS == n->sec) {
-		if (n->next && MDOC_In != n->next->tok) {
-			tag.key = ATTR_STYLE;
-			tag.val = "margin-bottom: 1em;";
-			print_otag(h, TAG_DIV, 1, &tag);
-		} else
-			print_otag(h, TAG_DIV, 0, NULL);
-	}
+	synopsis_pre(h, n);
 
-	tag.key = ATTR_CLASS;
-	tag.val = "includes";
+	PAIR_CLASS_INIT(&tag[0], "includes");
+	print_otag(h, TAG_SPAN, 1, tag);
 
-	print_otag(h, TAG_SPAN, 1, &tag);
-
-	if (SEC_SYNOPSIS == n->sec)
+	if (MDOC_SYNPRETTY & n->flags && 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)
+	for (nn = n->child; nn; nn = nn->next) {
+		PAIR_CLASS_INIT(&tag[0], "link-includes");
+		i = 1;
+		bufinit(h);
+		if (h->base_includes) {
+			buffmt_includes(h, nn->string);
+			PAIR_HREF_INIT(&tag[i], h->buf);
+			i++;
+		}
+		t = print_otag(h, TAG_A, i, tag);
 		print_mdoc_node(m, nn, h);
+		print_tagq(h, t);
+	}
 
 	h->flags |= HTML_NOSPACE;
 	print_text(h, ">");
@@ -1800,9 +1903,7 @@ mdoc_ic_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "cmd";
-
+	PAIR_CLASS_INIT(&tag, "cmd");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1817,12 +1918,10 @@ mdoc_rv_pre(MDOC_ARGS)
 	struct tag		*t;
 
 	print_otag(h, TAG_DIV, 0, NULL);
-
 	print_text(h, "The");
 
 	for (nn = n->child; nn; nn = nn->next) {
-		tag.key = ATTR_CLASS;
-		tag.val = "fname";
+		PAIR_CLASS_INIT(&tag, "fname");
 		t = print_otag(h, TAG_SPAN, 1, &tag);
 		print_text(h, nn->string);
 		print_tagq(h, t);
@@ -1836,7 +1935,7 @@ 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");
@@ -1844,8 +1943,7 @@ mdoc_rv_pre(MDOC_ARGS)
        	print_text(h, "the value 0 if successful; otherwise the value "
 			"-1 is returned and the global variable");
 
-	tag.key = ATTR_CLASS;
-	tag.val = "var";
+	PAIR_CLASS_INIT(&tag, "var");
 	t = print_otag(h, TAG_SPAN, 1, &tag);
 	print_text(h, "errno");
 	print_tagq(h, t);
@@ -1860,8 +1958,7 @@ mdoc_va_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "var";
+	PAIR_CLASS_INIT(&tag, "var");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1908,47 +2005,34 @@ mdoc_ap_pre(MDOC_ARGS)
 static int
 mdoc_bf_pre(MDOC_ARGS)
 {
-	int		i;
-	struct htmlpair	tag[2];
+	struct htmlpair	 tag[2];
+	struct roffsu	 su;
 
 	if (MDOC_HEAD == n->type)
 		return(0);
-	else if (MDOC_BLOCK != n->type)
+	else if (MDOC_BODY != n->type)
 		return(1);
 
-	tag[0].key = ATTR_CLASS;
-	tag[0].val = NULL;
+	assert(n->data.Bf);
 
-	if (n->head->child) {
-		if ( ! strcmp("Em", n->head->child->string))
-			tag[0].val = "emph";
-		else if ( ! strcmp("Sy", n->head->child->string))
-			tag[0].val = "symb";
-		else if ( ! strcmp("Li", n->head->child->string))
-			tag[0].val = "lit";
-	} else {
-		assert(n->args);
-		for (i = 0; i < (int)n->args->argc; i++) 
-			switch (n->args->argv[i].arg) {
-			case (MDOC_Symbolic):
-				tag[0].val = "symb";
-				break;
-			case (MDOC_Literal):
-				tag[0].val = "lit";
-				break;
-			case (MDOC_Emphasis):
-				tag[0].val = "emph";
-				break;
-			default:
-				break;
-			}
-	}
+	if (FONT_Em == n->data.Bf->font) 
+		PAIR_CLASS_INIT(&tag[0], "emph");
+	else if (FONT_Sy == n->data.Bf->font) 
+		PAIR_CLASS_INIT(&tag[0], "symb");
+	else if (FONT_Li == n->data.Bf->font) 
+		PAIR_CLASS_INIT(&tag[0], "lit");
+	else
+		PAIR_CLASS_INIT(&tag[0], "none");
 
-	/* FIXME: div's have spaces stripped--we want them. */
-
-	assert(tag[0].val);
-	tag[1].key = ATTR_STYLE;
-	tag[1].val = "display: inline; margin-right: 1em;";
+	/* 
+	 * We want this to be inline-formatted, but needs to be div to
+	 * accept block children. 
+	 */
+	bufcat_style(h, "display", "inline");
+	SCALE_HS_INIT(&su, 1);
+	/* Needs a left-margin for spacing. */
+	bufcat_su(h, "margin-left", &su);
+	PAIR_STYLE_INIT(&tag[1], h);
 	print_otag(h, TAG_DIV, 2, tag);
 	return(1);
 }
@@ -1960,8 +2044,7 @@ mdoc_ms_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "symb";
+	PAIR_CLASS_INIT(&tag, "symb");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -1991,26 +2074,21 @@ mdoc_pf_post(MDOC_ARGS)
 static int
 mdoc_rs_pre(MDOC_ARGS)
 {
-	struct htmlpair	tag[2];
-	int		i;
+	struct htmlpair	 tag;
+	struct roffsu	 su;
 
 	if (MDOC_BLOCK != n->type)
 		return(1);
 
-	tag[i = 0].key = ATTR_CLASS;
-	tag[i++].val = "ref";
-
-	if (n->prev && SEC_SYNOPSIS == n->sec) {
-		tag[i].key = ATTR_STYLE;
-		tag[i++].val = "margin-top: 1em;";
-	} else if (SEC_SYNOPSIS != n->sec) {
-		tag[i].key = ATTR_STYLE;
-		tag[i++].val = "display: inline; margin-right: 1em";
+	if (n->prev && SEC_SEE_ALSO == n->sec) {
+		SCALE_VS_INIT(&su, 1);
+		bufcat_su(h, "margin-top", &su);
+		PAIR_STYLE_INIT(&tag, h);
+		print_otag(h, TAG_DIV, 1, &tag);
 	}
 
-	/* FIXME: div's have spaces stripped--we want them. */
-
-	print_otag(h, TAG_DIV, i, tag);
+	PAIR_CLASS_INIT(&tag, "ref");
+	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
 
@@ -2022,9 +2100,7 @@ mdoc_li_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "lit";
-
+	PAIR_CLASS_INIT(&tag, "lit");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -2036,9 +2112,7 @@ mdoc_sy_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "symb";
-
+	PAIR_CLASS_INIT(&tag, "symb");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
 }
@@ -2070,12 +2144,86 @@ mdoc_lb_pre(MDOC_ARGS)
 {
 	struct htmlpair	tag;
 
-	tag.key = ATTR_CLASS;
-	tag.val = "lib";
-
-	if (SEC_SYNOPSIS == n->sec)
+	if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
 		print_otag(h, TAG_DIV, 0, NULL);
-
+	PAIR_CLASS_INIT(&tag, "lib");
 	print_otag(h, TAG_SPAN, 1, &tag);
 	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc__x_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag[2];
+
+	switch (n->tok) {
+	case(MDOC__A):
+		PAIR_CLASS_INIT(&tag[0], "ref-auth");
+		break;
+	case(MDOC__B):
+		PAIR_CLASS_INIT(&tag[0], "ref-book");
+		break;
+	case(MDOC__C):
+		PAIR_CLASS_INIT(&tag[0], "ref-city");
+		break;
+	case(MDOC__D):
+		PAIR_CLASS_INIT(&tag[0], "ref-date");
+		break;
+	case(MDOC__I):
+		PAIR_CLASS_INIT(&tag[0], "ref-issue");
+		break;
+	case(MDOC__J):
+		PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
+		break;
+	case(MDOC__N):
+		PAIR_CLASS_INIT(&tag[0], "ref-num");
+		break;
+	case(MDOC__O):
+		PAIR_CLASS_INIT(&tag[0], "ref-opt");
+		break;
+	case(MDOC__P):
+		PAIR_CLASS_INIT(&tag[0], "ref-page");
+		break;
+	case(MDOC__Q):
+		PAIR_CLASS_INIT(&tag[0], "ref-corp");
+		break;
+	case(MDOC__R):
+		PAIR_CLASS_INIT(&tag[0], "ref-rep");
+		break;
+	case(MDOC__T):
+		PAIR_CLASS_INIT(&tag[0], "ref-title");
+		break;
+	case(MDOC__U):
+		PAIR_CLASS_INIT(&tag[0], "link-ref");
+		break;
+	case(MDOC__V):
+		PAIR_CLASS_INIT(&tag[0], "ref-vol");
+		break;
+	default:
+		abort();
+		/* NOTREACHED */
+	}
+
+	if (MDOC__U != n->tok) {
+		print_otag(h, TAG_SPAN, 1, tag);
+		return(1);
+	}
+
+	PAIR_HREF_INIT(&tag[1], n->child->string);
+	print_otag(h, TAG_A, 2, tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc__x_post(MDOC_ARGS)
+{
+
+	/* TODO: %U */
+
+	h->flags |= HTML_NOSPACE;
+	print_text(h, n->next ? "," : ".");
 }