Split html.c into html.h, mdoc_html.c, man_html.c.

1 files changed, 1617 insertions, 0 deletions

diff --git a/mdoc_html.c b/mdoc_html.c
new file mode 100644
index 00000000..404f1415
--- /dev/null
+++ b/mdoc_html.c
@@ -0,0 +1,1617 @@
+/*	$Id$ */
+/*
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#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 "html.h"
+#include "mdoc.h"
+
+#define	INDENT		 5
+#define	HALFINDENT	 3
+
+#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
+
+struct	htmlmdoc {
+	int		(*pre)(MDOC_ARGS);
+	void		(*post)(MDOC_ARGS);
+};
+
+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	int		  a2width(const char *);
+static	int		  a2offs(const char *);
+static	int		  a2list(const struct mdoc_node *);
+
+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	int		  mdoc_ad_pre(MDOC_ARGS);
+static	int		  mdoc_an_pre(MDOC_ARGS);
+static	void		  mdoc_aq_post(MDOC_ARGS);
+static	int		  mdoc_aq_pre(MDOC_ARGS);
+static	int		  mdoc_ar_pre(MDOC_ARGS);
+static	int		  mdoc_bd_pre(MDOC_ARGS);
+static	void		  mdoc_bl_post(MDOC_ARGS);
+static	int		  mdoc_bl_pre(MDOC_ARGS);
+static	int		  mdoc_cd_pre(MDOC_ARGS);
+static	int		  mdoc_d1_pre(MDOC_ARGS);
+static	void		  mdoc_dq_post(MDOC_ARGS);
+static	int		  mdoc_dq_pre(MDOC_ARGS);
+static	int		  mdoc_dv_pre(MDOC_ARGS);
+static	int		  mdoc_fa_pre(MDOC_ARGS);
+static	int		  mdoc_fd_pre(MDOC_ARGS);
+static	int		  mdoc_fl_pre(MDOC_ARGS);
+static	int		  mdoc_fn_pre(MDOC_ARGS);
+static	int		  mdoc_ft_pre(MDOC_ARGS);
+static	int		  mdoc_em_pre(MDOC_ARGS);
+static	int		  mdoc_er_pre(MDOC_ARGS);
+static	int		  mdoc_ev_pre(MDOC_ARGS);
+static	int		  mdoc_ex_pre(MDOC_ARGS);
+static	int		  mdoc_it_pre(MDOC_ARGS);
+static	int		  mdoc_nd_pre(MDOC_ARGS);
+static	int		  mdoc_nm_pre(MDOC_ARGS);
+static	int		  mdoc_ns_pre(MDOC_ARGS);
+static	void		  mdoc_op_post(MDOC_ARGS);
+static	int		  mdoc_op_pre(MDOC_ARGS);
+static	int		  mdoc_pa_pre(MDOC_ARGS);
+static	void		  mdoc_pq_post(MDOC_ARGS);
+static	int		  mdoc_pq_pre(MDOC_ARGS);
+static	void		  mdoc_qq_post(MDOC_ARGS);
+static	int		  mdoc_qq_pre(MDOC_ARGS);
+static	int		  mdoc_sh_pre(MDOC_ARGS);
+static	int		  mdoc_sp_pre(MDOC_ARGS);
+static	void		  mdoc_sq_post(MDOC_ARGS);
+static	int		  mdoc_sq_pre(MDOC_ARGS);
+static	int		  mdoc_ss_pre(MDOC_ARGS);
+static	int		  mdoc_sx_pre(MDOC_ARGS);
+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] = {
+	{NULL, NULL}, /* Ap */
+	{NULL, NULL}, /* Dd */
+	{NULL, NULL}, /* Dt */
+	{NULL, NULL}, /* Os */
+	{mdoc_sh_pre, NULL }, /* Sh */
+	{mdoc_ss_pre, NULL }, /* Ss */ 
+	{mdoc_sp_pre, NULL}, /* Pp */ 
+	{mdoc_d1_pre, NULL}, /* D1 */
+	{mdoc_d1_pre, NULL}, /* Dl */
+	{mdoc_bd_pre, NULL}, /* Bd */
+	{NULL, NULL}, /* Ed */
+	{mdoc_bl_pre, mdoc_bl_post}, /* Bl */
+	{NULL, NULL}, /* El */
+	{mdoc_it_pre, NULL}, /* It */
+	{mdoc_ad_pre, NULL}, /* Ad */ 
+	{mdoc_an_pre, NULL}, /* An */
+	{mdoc_ar_pre, NULL}, /* Ar */
+	{mdoc_cd_pre, NULL}, /* Cd */
+	{mdoc_fl_pre, NULL}, /* Cm */
+	{mdoc_dv_pre, NULL}, /* Dv */ 
+	{mdoc_er_pre, NULL}, /* Er */ 
+	{mdoc_ev_pre, NULL}, /* Ev */ 
+	{mdoc_ex_pre, NULL}, /* Ex */
+	{mdoc_fa_pre, NULL}, /* Fa */ 
+	{mdoc_fd_pre, NULL}, /* Fd */ 
+	{mdoc_fl_pre, NULL}, /* Fl */
+	{mdoc_fn_pre, NULL}, /* Fn */ 
+	{mdoc_ft_pre, NULL}, /* Ft */ 
+	{NULL, NULL}, /* Ic */ 
+	{NULL, NULL}, /* In */ 
+	{NULL, NULL}, /* Li */
+	{mdoc_nd_pre, NULL}, /* Nd */ 
+	{mdoc_nm_pre, NULL}, /* Nm */ 
+	{mdoc_op_pre, mdoc_op_post}, /* Op */
+	{NULL, NULL}, /* Ot */
+	{mdoc_pa_pre, NULL}, /* Pa */
+	{NULL, NULL}, /* Rv */
+	{NULL, NULL}, /* St */ 
+	{NULL, 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 */
+	{NULL, NULL}, /* Ac */
+	{mdoc_aq_pre, mdoc_aq_post}, /* Ao */
+	{mdoc_aq_pre, mdoc_aq_post}, /* Aq */
+	{NULL, NULL}, /* At */
+	{NULL, NULL}, /* Bc */
+	{NULL, NULL}, /* Bf */ 
+	{NULL, NULL}, /* Bo */
+	{NULL, NULL}, /* Bq */
+	{mdoc_xx_pre, NULL}, /* Bsx */
+	{NULL, NULL}, /* Bx */
+	{NULL, NULL}, /* Db */
+	{NULL, NULL}, /* Dc */
+	{NULL, NULL}, /* Do */
+	{mdoc_dq_pre, mdoc_dq_post}, /* Dq */
+	{NULL, NULL}, /* Ec */
+	{NULL, NULL}, /* Ef */
+	{mdoc_em_pre, NULL}, /* Em */ 
+	{NULL, NULL}, /* Eo */
+	{mdoc_xx_pre, NULL}, /* Fx */
+	{NULL, NULL}, /* Ms */
+	{NULL, NULL}, /* No */
+	{mdoc_ns_pre, NULL}, /* Ns */
+	{mdoc_xx_pre, NULL}, /* Nx */
+	{mdoc_xx_pre, NULL}, /* Ox */
+	{NULL, NULL}, /* Pc */
+	{NULL, NULL}, /* Pf */
+	{mdoc_pq_pre, mdoc_pq_post}, /* Po */
+	{mdoc_pq_pre, mdoc_pq_post}, /* Pq */
+	{NULL, NULL}, /* Qc */
+	{NULL, NULL}, /* Ql */
+	{mdoc_qq_pre, mdoc_qq_post}, /* Qo */
+	{mdoc_qq_pre, mdoc_qq_post}, /* Qq */
+	{NULL, NULL}, /* Re */
+	{NULL, NULL}, /* Rs */
+	{NULL, NULL}, /* Sc */
+	{mdoc_sq_pre, mdoc_sq_post}, /* So */
+	{mdoc_sq_pre, mdoc_sq_post}, /* Sq */
+	{NULL, NULL}, /* Sm */
+	{mdoc_sx_pre, NULL}, /* Sx */
+	{NULL, NULL}, /* Sy */
+	{NULL, NULL}, /* Tn */
+	{mdoc_xx_pre, NULL}, /* Ux */
+	{NULL, NULL}, /* Xc */
+	{NULL, NULL}, /* Xo */
+	{NULL, NULL}, /* Fo */ 
+	{NULL, NULL}, /* Fc */ 
+	{NULL, NULL}, /* Oo */
+	{NULL, NULL}, /* Oc */
+	{NULL, NULL}, /* Bk */
+	{NULL, NULL}, /* Ek */
+	{NULL, NULL}, /* Bt */
+	{NULL, NULL}, /* Hf */
+	{NULL, NULL}, /* Fr */
+	{NULL, NULL}, /* Ud */
+	{NULL, NULL}, /* Lb */
+	{mdoc_sp_pre, NULL}, /* Lp */ 
+	{NULL, NULL}, /* Lk */ 
+	{NULL, NULL}, /* Mt */ 
+	{NULL, NULL}, /* Brq */ 
+	{NULL, NULL}, /* Bro */ 
+	{NULL, NULL}, /* Brc */ 
+	{NULL, NULL}, /* %C */ 
+	{NULL, NULL}, /* Es */ 
+	{NULL, NULL}, /* En */ 
+	{mdoc_xx_pre, NULL}, /* Dx */ 
+	{NULL, NULL}, /* %Q */ 
+	{mdoc_sp_pre, NULL}, /* br */
+	{mdoc_sp_pre, NULL}, /* sp */ 
+};
+
+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)
+{
+	struct html 	*h;
+	struct tag	*t;
+
+	h = (struct html *)arg;
+
+	print_gen_doctype(h);
+	t = print_otag(h, TAG_HTML, 0, NULL);
+	print_mdoc(mdoc_meta(m), mdoc_node(m), h);
+	print_tagq(h, t);
+
+	printf("\n");
+}
+
+
+static int
+a2list(const struct mdoc_node *n)
+{
+	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 */
+}
+
+
+static int
+a2width(const char *p)
+{
+	int		 i, len;
+
+	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) + 2);
+
+	return(len + 2);
+}
+
+
+static int
+a2offs(const char *p)
+{
+	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);
+
+	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);
+}
+
+
+static void
+print_mdoc(MDOC_ARGS)
+{
+	struct tag	*t;
+	struct htmlpair	 tag;
+
+	t = print_otag(h, TAG_HEAD, 0, NULL);
+	print_mdoc_head(m, n, h);
+	print_tagq(h, t);
+
+	t = print_otag(h, TAG_BODY, 0, NULL);
+
+	tag.key = ATTR_CLASS;
+	tag.val = "body";
+	print_otag(h, TAG_DIV, 1, &tag);
+
+	print_mdoc_nodelist(m, n, h);
+	print_tagq(h, t);
+}
+
+
+/* ARGSUSED */
+static void
+print_mdoc_head(MDOC_ARGS)
+{
+	char		b[BUFSIZ];
+
+	print_gen_head(h);
+
+	(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);
+	}
+
+	print_otag(h, TAG_TITLE, 0, NULL);
+	print_text(h, b);
+}
+
+
+static void
+print_mdoc_nodelist(MDOC_ARGS)
+{
+
+	print_mdoc_node(m, n, h);
+	if (n->next)
+		print_mdoc_nodelist(m, n->next, h);
+}
+
+
+static void
+print_mdoc_node(MDOC_ARGS)
+{
+	int		 child;
+	struct tag	*t;
+
+	child = 1;
+	t = SLIST_FIRST(&h->tags);
+
+	bufinit();
+
+	switch (n->type) {
+	case (MDOC_ROOT):
+		child = mdoc_root_pre(m, n, h);
+		break;
+	case (MDOC_TEXT):
+		print_text(h, n->string);
+		break;
+	default:
+		if (mdocs[n->tok].pre)
+			child = (*mdocs[n->tok].pre)(m, n, h);
+		break;
+	}
+
+	if (child && n->child)
+		print_mdoc_nodelist(m, n->child, h);
+
+	print_stagq(h, t);
+
+	bufinit();
+
+	switch (n->type) {
+	case (MDOC_ROOT):
+		mdoc_root_post(m, n, h);
+		break;
+	case (MDOC_TEXT):
+		break;
+	default:
+		if (mdocs[n->tok].post)
+			(*mdocs[n->tok].post)(m, n, h);
+		break;
+	}
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_root_post(MDOC_ARGS)
+{
+	struct tm	 tm;
+	struct htmlpair	 tag[2];
+	struct tag	*t, *tt;
+	char		 b[BUFSIZ];
+
+	(void)localtime_r(&m->date, &tm);
+
+	if (0 == strftime(b, BUFSIZ - 1, "%B %e, %Y", &tm))
+		err(EXIT_FAILURE, "strftime");
+
+	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);
+	tt = print_otag(h, TAG_TR, 0, NULL);
+
+	tag[0].key = ATTR_STYLE;
+	tag[0].val = "width: 50%;";
+	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;";
+	print_otag(h, TAG_TD, 1, tag);
+	print_text(h, m->os);
+	print_tagq(h, t);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_root_pre(MDOC_ARGS)
+{
+	struct htmlpair	 tag[2];
+	struct tag	*t, *tt;
+	char		 b[BUFSIZ], title[BUFSIZ];
+
+	(void)strlcpy(b, m->vol, BUFSIZ);
+
+	if (m->arch) {
+		(void)strlcat(b, " (", BUFSIZ);
+		(void)strlcat(b, m->arch, BUFSIZ);
+		(void)strlcat(b, ")", BUFSIZ);
+	}
+
+	(void)snprintf(title, BUFSIZ - 1, 
+			"%s(%d)", 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);
+	tt = print_otag(h, TAG_TR, 0, NULL);
+
+	tag[0].key = ATTR_STYLE;
+	tag[0].val = "width: 33%;";
+	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: center;";
+	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: right;";
+	print_otag(h, TAG_TD, 1, tag);
+	print_text(h, b);
+	print_tagq(h, t);
+
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_sh_pre(MDOC_ARGS)
+{
+	struct htmlpair		 tag[2];
+	const struct mdoc_node	*nn;
+
+	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);
+		return(1);
+	} else if (MDOC_BLOCK == n->type) {
+		tag[0].key = ATTR_CLASS;
+		tag[0].val = "sec-block";
+
+		if (n->prev && NULL == n->prev->body->child) {
+			print_otag(h, TAG_DIV, 1, tag);
+			return(1);
+		}
+
+		bufcat("margin-top: 1em;");
+		if (NULL == n->next)
+			bufcat("margin-bottom: 1em;");
+
+		tag[1].key = ATTR_STYLE;
+		tag[1].val = buf;
+
+		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;
+
+	print_otag(h, TAG_DIV, 2, tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_ss_pre(MDOC_ARGS)
+{
+	struct htmlpair	 	 tag[2];
+	int		 	 i;
+	const struct mdoc_node	*nn;
+
+	i = 0;
+
+	if (MDOC_BODY == n->type) {
+		tag[i].key = ATTR_CLASS;
+		tag[i++].val = "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);
+		return(1);
+	} else if (MDOC_BLOCK == n->type) {
+		tag[i].key = ATTR_CLASS;
+		tag[i++].val = "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);
+		return(1);
+	}
+
+	buffmt("margin-left: -%dem;", INDENT - HALFINDENT);
+
+	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();
+	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);
+
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_fl_pre(MDOC_ARGS)
+{
+	struct htmlpair	 tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "flag";
+
+	print_otag(h, TAG_SPAN, 1, &tag);
+	if (MDOC_Fl == n->tok) {
+		print_text(h, "\\-");
+		h->flags |= HTML_NOSPACE;
+	}
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_nd_pre(MDOC_ARGS)
+{
+	struct htmlpair	 tag;
+
+	if (MDOC_BODY != n->type)
+		return(1);
+
+	/* XXX - this can contain block elements! */
+	print_text(h, "\\(em");
+	tag.key = ATTR_CLASS;
+	tag.val = "desc-body";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_op_pre(MDOC_ARGS)
+{
+	struct htmlpair	 tag;
+
+	if (MDOC_BODY != n->type)
+		return(1);
+
+	/* XXX - this can contain block elements! */
+	print_text(h, "\\(lB");
+	h->flags |= HTML_NOSPACE;
+	tag.key = ATTR_CLASS;
+	tag.val = "opt";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_op_post(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type) 
+		return;
+	h->flags |= HTML_NOSPACE;
+	print_text(h, "\\(rB");
+}
+
+
+static int
+mdoc_nm_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	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);
+		}
+
+	tag.key = ATTR_CLASS;
+	tag.val = "name";
+
+	print_otag(h, TAG_SPAN, 1, &tag);
+	if (NULL == n->child)
+		print_text(h, m->name);
+
+	return(1);
+}
+
+
+/* ARGSUSED */
+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 : "";
+
+	buffmt("%s%s%s.html", name, name && sec ? "." : "", sec);
+
+	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);
+
+	nn = n->child;
+	print_text(h, nn->string);
+	if (NULL == (nn = nn->next))
+		return(0);
+
+	h->flags |= HTML_NOSPACE;
+	print_text(h, "(");
+	h->flags |= HTML_NOSPACE;
+	print_text(h, nn->string);
+	h->flags |= HTML_NOSPACE;
+	print_text(h, ")");
+
+	return(0);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_ns_pre(MDOC_ARGS)
+{
+
+	h->flags |= HTML_NOSPACE;
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_ar_pre(MDOC_ARGS)
+{
+	struct htmlpair tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "arg";
+
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_xx_pre(MDOC_ARGS)
+{
+	const char	*pp;
+	struct htmlpair	 tag;
+
+	switch (n->tok) {
+	case (MDOC_Bsx):
+		pp = "BSDI BSD/OS";
+		break;
+	case (MDOC_Dx):
+		pp = "DragonFlyBSD";
+		break;
+	case (MDOC_Fx):
+		pp = "FreeBSD";
+		break;
+	case (MDOC_Nx):
+		pp = "NetBSD";
+		break;
+	case (MDOC_Ox):
+		pp = "OpenBSD";
+		break;
+	case (MDOC_Ux):
+		pp = "UNIX";
+		break;
+	default:
+		return(1);
+	}
+
+	tag.key = ATTR_CLASS;
+	tag.val = "unix";
+
+	print_otag(h, TAG_SPAN, 1, &tag);
+	print_text(h, pp);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_tbl_block_pre(MDOC_ARGS, int t, int w, int o, int c)
+{
+	struct htmlpair	 tag;
+
+	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;
+	}
+
+	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;");
+	}
+
+	tag.key = ATTR_STYLE;
+	tag.val = buf;
+	print_otag(h, TAG_DIV, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_tbl_body_pre(MDOC_ARGS, int t, int w)
+{
+
+	print_otag(h, TAG_DIV, 0, NULL);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_tbl_head_pre(MDOC_ARGS, int t, int w)
+{
+	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);
+		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;", w);
+		bufcat("clear: left;");
+		bufcat("float: left;");
+		bufcat("padding-right: 1em;");
+		tag.key = ATTR_STYLE;
+		tag.val = buf;
+		print_otag(h, TAG_DIV, 1, &tag);
+		break;
+	}
+
+	switch (t) {
+	case (MDOC_Diag):
+		tag.key = ATTR_CLASS;
+		tag.val = "diag";
+		print_otag(h, TAG_SPAN, 1, &tag);
+		break;
+	case (MDOC_Enum):
+		ord = SLIST_FIRST(&h->ords);
+		assert(ord);
+		nbuf[BUFSIZ - 1] = 0;
+		(void)snprintf(nbuf, BUFSIZ - 1, "%d.", ord->pos++);
+		print_text(h, nbuf);
+		return(0);
+	case (MDOC_Dash):
+		print_text(h, "\\(en");
+		return(0);
+	case (MDOC_Hyphen):
+		print_text(h, "\\-");
+		return(0);
+	case (MDOC_Bullet):
+		print_text(h, "\\(bu");
+		return(0);
+	default:
+		break;
+	}
+
+	return(1);
+}
+
+
+static int
+mdoc_tbl_pre(MDOC_ARGS, int type)
+{
+	int			 i, w, o, c, wp;
+	const struct mdoc_node	*bl, *nn;
+
+	bl = n->parent->parent;
+	if (MDOC_BLOCK != n->type) 
+		bl = bl->parent;
+
+	/* FIXME: fmt_vspace() equivalent. */
+
+	assert(bl->args);
+
+	w = o = c = 0;
+	wp = -1;
+
+	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):
+		/* FALLTHROUGH */
+	case (MDOC_Dash):
+		/* FALLTHROUGH */
+	case (MDOC_Hyphen):
+		/* FALLTHROUGH */
+	case (MDOC_Bullet):
+		if (w < 4)
+			w = 4;
+		break;
+	case (MDOC_Inset):
+		/* FALLTHROUGH */
+	case (MDOC_Diag):
+		w = 1;
+		break;
+	default:
+		if (0 == w)
+			w = 10;
+		break;
+	}
+
+	switch (n->type) {
+	case (MDOC_BLOCK):
+		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 */
+	}
+
+	return(mdoc_tbl_block_pre(m, n, h, type, w, o, c));
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_bl_pre(MDOC_ARGS)
+{
+	struct ord	*ord;
+
+	if (MDOC_BLOCK != n->type)
+		return(1);
+	if (MDOC_Enum != a2list(n))
+		return(1);
+
+	ord = malloc(sizeof(struct ord));
+	if (NULL == ord)
+		err(EXIT_FAILURE, "malloc");
+	ord->cookie = n;
+	ord->pos = 1;
+	SLIST_INSERT_HEAD(&h->ords, ord, entry);
+
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_bl_post(MDOC_ARGS)
+{
+	struct ord	*ord;
+
+	if (MDOC_BLOCK != n->type)
+		return;
+	if (MDOC_Enum != a2list(n))
+		return;
+
+	ord = SLIST_FIRST(&h->ords);
+	assert(ord);
+	SLIST_REMOVE_HEAD(&h->ords, entry);
+	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)
+{
+	const struct mdoc_node	*nn;
+	struct tag		*t;
+	struct htmlpair		 tag;
+
+	print_text(h, "The");
+
+	tag.key = ATTR_CLASS;
+	tag.val = "utility";
+
+	for (nn = n->child; nn; nn = nn->next) {
+		t = print_otag(h, TAG_SPAN, 1, &tag);
+		print_text(h, nn->string);
+		print_tagq(h, t);
+
+		h->flags |= HTML_NOSPACE;
+
+		if (nn->next && NULL == nn->next->next)
+			print_text(h, ", and");
+		else if (nn->next)
+			print_text(h, ",");
+		else
+			h->flags &= ~HTML_NOSPACE;
+	}
+
+	if (n->child->next)
+		print_text(h, "utilities exit");
+	else
+		print_text(h, "utility exits");
+
+       	print_text(h, "0 on success, and >0 if an error occurs.");
+	return(0);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_dq_pre(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return(1);
+	print_text(h, "\\(lq");
+	h->flags |= HTML_NOSPACE;
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_dq_post(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return;
+	h->flags |= HTML_NOSPACE;
+	print_text(h, "\\(rq");
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_pq_pre(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return(1);
+	print_text(h, "\\&(");
+	h->flags |= HTML_NOSPACE;
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_pq_post(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return;
+	print_text(h, ")");
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_sq_pre(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return(1);
+	print_text(h, "\\(oq");
+	h->flags |= HTML_NOSPACE;
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_sq_post(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return;
+	h->flags |= HTML_NOSPACE;
+	print_text(h, "\\(aq");
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_em_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "emph";
+
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_d1_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag[2];
+
+	if (MDOC_BLOCK != n->type)
+		return(1);
+
+	buffmt("margin-left: %dem;", INDENT);
+
+	tag[0].key = ATTR_CLASS;
+	tag[0].val = "lit-block";
+	tag[1].key = ATTR_STYLE;
+	tag[1].val = buf;
+
+	print_otag(h, TAG_DIV, 2, tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_sx_pre(MDOC_ARGS)
+{
+	struct htmlpair		 tag[2];
+	const struct mdoc_node	*nn;
+
+	bufcat("#");
+	for (nn = n->child; nn; nn = nn->next) {
+		bufcat(nn->string);
+		if (nn->next)
+			bufcat(" ");
+	}
+
+	tag[0].key = ATTR_HREF;
+	tag[0].val = buf;
+	tag[1].key = ATTR_CLASS;
+	tag[1].val = "link-sec";
+
+	print_otag(h, TAG_A, 2, tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_aq_pre(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return(1);
+	print_text(h, "\\(la");
+	h->flags |= HTML_NOSPACE;
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_aq_post(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return;
+	h->flags |= HTML_NOSPACE;
+	print_text(h, "\\(ra");
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_bd_pre(MDOC_ARGS)
+{
+	struct htmlpair	 	 tag[2];
+	int		 	 t, c, o, i;
+	const struct mdoc_node	*bl;
+
+	/* FIXME: fmt_vspace() shit. */
+
+	if (MDOC_BLOCK == n->type)
+		bl = n;
+	else if (MDOC_HEAD == n->type)
+		return(0);
+	else
+		bl = n->parent;
+
+	t = o = c = 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;
+		}
+
+	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;
+		print_otag(h, TAG_DIV, 1, tag);
+		return(1);
+	}
+
+	switch (t) {
+	case (MDOC_Unfilled):
+	case (MDOC_Literal):
+		break;
+	default:
+		return(1);
+	}
+
+	bufcat("white-space: pre;");
+	tag[0].key = ATTR_STYLE;
+	tag[0].val = buf;
+	tag[1].key = ATTR_CLASS;
+	tag[1].val = "lit-block";
+
+	print_otag(h, TAG_DIV, 2, tag);
+
+	for (n = n->child; n; n = n->next) {
+		h->flags |= HTML_NOSPACE;
+		print_mdoc_node(m, n, h);
+		if (n->next)
+			print_text(h, "\n");
+	}
+
+	return(0);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_pa_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "file";
+
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_qq_pre(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return(1);
+	print_text(h, "\\*q");
+	h->flags |= HTML_NOSPACE;
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_qq_post(MDOC_ARGS)
+{
+
+	if (MDOC_BODY != n->type)
+		return;
+	h->flags |= HTML_NOSPACE;
+	print_text(h, "\\*q");
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_ad_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "addr";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_an_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "author";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_cd_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "config";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_dv_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "define";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_ev_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "env";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_er_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "errno";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_fa_pre(MDOC_ARGS)
+{
+	const struct mdoc_node	*nn;
+	struct htmlpair		 tag;
+	struct tag		*t;
+
+	tag.key = ATTR_CLASS;
+	tag.val = "farg";
+
+	if (n->parent->tok != MDOC_Fo) {
+		print_otag(h, TAG_SPAN, 1, &tag);
+		return(1);
+	}
+
+	for (nn = n->child; nn; nn = nn->next) {
+		t = print_otag(h, TAG_SPAN, 1, &tag);
+		print_text(h, nn->string);
+		print_tagq(h, t);
+		if (nn->next)
+			print_text(h, ",");
+	}
+
+	if (n->child && n->next && n->next->tok == MDOC_Fa)
+		print_text(h, ",");
+
+	return(0);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_fd_pre(MDOC_ARGS)
+{
+	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);
+	}
+
+	tag.key = ATTR_CLASS;
+	tag.val = "macro";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_vt_pre(MDOC_ARGS)
+{
+	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);
+	}
+
+	tag.key = ATTR_CLASS;
+	tag.val = "type";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+/* ARGSUSED */
+static int
+mdoc_ft_pre(MDOC_ARGS)
+{
+	struct htmlpair	tag;
+
+	if (SEC_SYNOPSIS == n->sec) {
+		if (n->prev && MDOC_Fo == n->prev->tok) {
+			tag.key = ATTR_STYLE;
+			tag.val = "magin-bottom: 1em;";
+			print_otag(h, TAG_DIV, 1, &tag);
+		} else
+			print_otag(h, TAG_DIV, 0, NULL);
+	}
+
+	tag.key = ATTR_CLASS;
+	tag.val = "type";
+	print_otag(h, TAG_SPAN, 1, &tag);
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_fn_pre(MDOC_ARGS)
+{
+	struct tag		*t;
+	struct htmlpair	 	 tag;
+	const struct mdoc_node	*nn;
+
+	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);
+	}
+
+	tag.key = ATTR_CLASS;
+	tag.val = "type";
+
+	t = print_otag(h, TAG_SPAN, 1, &tag);
+	print_text(h, n->child->string);
+	print_tagq(h, t);
+
+	h->flags |= HTML_NOSPACE;
+	print_text(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);
+		print_text(h, nn->string);
+		print_tagq(h, t);
+		if (nn->next)
+			print_text(h, ",");
+	}
+
+	print_text(h, ")");
+
+	if (SEC_SYNOPSIS == n->sec)
+		print_text(h, ";");
+
+	return(0);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_sp_pre(MDOC_ARGS)
+{
+	int		len;
+	struct htmlpair	tag;
+
+	switch (n->tok) {
+	case (MDOC_sp):
+		len = n->child ? atoi(n->child->string) : 1;
+		break;
+	case (MDOC_br):
+		len = 0;
+		break;
+	default:
+		len = 1;
+		break;
+	}
+
+	buffmt("height: %dem", len);
+	tag.key = ATTR_STYLE;
+	tag.val = buf;
+	print_otag(h, TAG_DIV, 1, &tag);
+	return(1);
+
+}