===================================================================
RCS file: /cvs/mandoc/mdoc_html.c,v
retrieving revision 1.93
retrieving revision 1.100
diff -u -p -r1.93 -r1.100
--- mandoc/mdoc_html.c	2010/07/04 21:59:30	1.93
+++ mandoc/mdoc_html.c	2010/07/27 08:38:04	1.100
@@ -1,6 +1,6 @@
-/*	$Id: mdoc_html.c,v 1.93 2010/07/04 21:59:30 kristaps Exp $ */
+/*	$Id: mdoc_html.c,v 1.100 2010/07/27 08:38:04 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008, 2009, 2010 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
@@ -30,7 +30,6 @@
 #include "mandoc.h"
 #include "out.h"
 #include "html.h"
-#include "regs.h"
 #include "mdoc.h"
 #include "main.h"
 
@@ -73,6 +72,8 @@ static	int		  mdoc_aq_pre(MDOC_ARGS);
 static	int		  mdoc_ar_pre(MDOC_ARGS);
 static	int		  mdoc_bd_pre(MDOC_ARGS);
 static	int		  mdoc_bf_pre(MDOC_ARGS);
+static	void		  mdoc_bk_post(MDOC_ARGS);
+static	int		  mdoc_bk_pre(MDOC_ARGS);
 static	void		  mdoc_bl_post(MDOC_ARGS);
 static	int		  mdoc_bl_pre(MDOC_ARGS);
 static	void		  mdoc_bq_post(MDOC_ARGS);
@@ -124,6 +125,7 @@ static	int		  mdoc_pq_pre(MDOC_ARGS);
 static	int		  mdoc_rs_pre(MDOC_ARGS);
 static	int		  mdoc_rv_pre(MDOC_ARGS);
 static	int		  mdoc_sh_pre(MDOC_ARGS);
+static	int		  mdoc_sm_pre(MDOC_ARGS);
 static	int		  mdoc_sp_pre(MDOC_ARGS);
 static	void		  mdoc_sq_post(MDOC_ARGS);
 static	int		  mdoc_sq_pre(MDOC_ARGS);
@@ -208,7 +210,7 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{mdoc_em_pre, NULL}, /* Em */ 
 	{NULL, NULL}, /* Eo */
 	{mdoc_xx_pre, NULL}, /* Fx */
-	{mdoc_ms_pre, NULL}, /* Ms */ /* FIXME: convert to symbol? */
+	{mdoc_ms_pre, NULL}, /* Ms */
 	{NULL, NULL}, /* No */
 	{mdoc_ns_pre, NULL}, /* Ns */
 	{mdoc_xx_pre, NULL}, /* Nx */
@@ -226,7 +228,7 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{NULL, NULL}, /* Sc */
 	{mdoc_sq_pre, mdoc_sq_post}, /* So */
 	{mdoc_sq_pre, mdoc_sq_post}, /* Sq */
-	{NULL, NULL}, /* Sm */ /* FIXME - no idea. */
+	{mdoc_sm_pre, NULL}, /* Sm */ 
 	{mdoc_sx_pre, NULL}, /* Sx */
 	{mdoc_sy_pre, NULL}, /* Sy */
 	{NULL, NULL}, /* Tn */
@@ -237,7 +239,7 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{NULL, NULL}, /* Fc */ 
 	{mdoc_op_pre, mdoc_op_post}, /* Oo */
 	{NULL, NULL}, /* Oc */
-	{NULL, NULL}, /* Bk */
+	{mdoc_bk_pre, mdoc_bk_post}, /* Bk */
 	{NULL, NULL}, /* Ek */
 	{mdoc_bt_pre, NULL}, /* Bt */
 	{NULL, NULL}, /* Hf */
@@ -442,6 +444,18 @@ print_mdoc_node(MDOC_ARGS)
 		break;
 	}
 
+	if (HTML_KEEP & h->flags) {
+		if (n->prev && n->prev->line != n->line) {
+			h->flags &= ~HTML_KEEP;
+			h->flags |= HTML_PREKEEP;
+		} else if (NULL == n->prev) {
+			if (n->parent && n->parent->line != n->line) {
+				h->flags &= ~HTML_KEEP;
+				h->flags |= HTML_PREKEEP;
+			}
+		}
+	}
+
 	if (child && n->child)
 		print_mdoc_nodelist(m, n->child, h);
 
@@ -1443,14 +1457,11 @@ mdoc_bd_pre(MDOC_ARGS)
 	print_otag(h, TAG_DIV, 2, tag);
 
 	for (nn = n->child; nn; nn = nn->next) {
-		h->flags |= HTML_NOSPACE;
-		print_mdoc_node(m, nn, h);
-		if (NULL == nn->next)
-			continue;
-		if (nn->prev && nn->prev->line < nn->line)
+		if (nn->prev && nn->prev->line < nn->line) {
 			print_text(h, "\n");
-		else if (NULL == nn->prev)
-			print_text(h, "\n");
+			h->flags |= HTML_NOSPACE;
+		}
+		print_mdoc_node(m, nn, h);
 	}
 
 	return(0);
@@ -1709,6 +1720,23 @@ mdoc_fn_pre(MDOC_ARGS)
 
 /* ARGSUSED */
 static int
+mdoc_sm_pre(MDOC_ARGS)
+{
+
+	assert(n->child && MDOC_TEXT == n->child->type);
+	if (0 == strcmp("on", n->child->string)) {
+		/* FIXME: no p->col to check... */
+		h->flags &= ~HTML_NOSPACE;
+		h->flags &= ~HTML_NONOSPACE;
+	} else
+		h->flags |= HTML_NONOSPACE;
+
+	return(0);
+}
+
+
+/* ARGSUSED */
+static int
 mdoc_sp_pre(MDOC_ARGS)
 {
 	int		 len;
@@ -1724,6 +1752,11 @@ mdoc_sp_pre(MDOC_ARGS)
 		len = 0;
 		break;
 	default:
+		assert(n->parent);
+		if ((NULL == n->next || NULL == n->prev) &&
+				(MDOC_Ss == n->parent->tok ||
+				 MDOC_Sh == n->parent->tok))
+			return(0);
 		len = 1;
 		break;
 	}
@@ -2226,4 +2259,36 @@ mdoc__x_post(MDOC_ARGS)
 
 	h->flags |= HTML_NOSPACE;
 	print_text(h, n->next ? "," : ".");
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_bk_pre(MDOC_ARGS)
+{
+
+	switch (n->type) {
+	case (MDOC_BLOCK):
+		break;
+	case (MDOC_HEAD):
+		return(0);
+	case (MDOC_BODY):
+		h->flags |= HTML_PREKEEP;
+		break;
+	default:
+		abort();
+		/* NOTREACHED */
+	}
+
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_bk_post(MDOC_ARGS)
+{
+
+	if (MDOC_BODY == n->type)
+		h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
 }