===================================================================
RCS file: /cvs/mandoc/mdoc_man.c,v
retrieving revision 1.9
retrieving revision 1.12
diff -u -p -r1.9 -r1.12
--- mandoc/mdoc_man.c	2011/10/24 21:47:59	1.9
+++ mandoc/mdoc_man.c	2012/07/07 13:53:14	1.12
@@ -1,6 +1,6 @@
-/*	$Id: mdoc_man.c,v 1.9 2011/10/24 21:47:59 schwarze Exp $ */
+/*	$Id: mdoc_man.c,v 1.12 2012/07/07 13:53:14 schwarze Exp $ */
 /*
- * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -18,10 +18,12 @@
 #include "config.h"
 #endif
 
+#include <assert.h>
 #include <stdio.h>
 #include <string.h>
 
 #include "mandoc.h"
+#include "out.h"
 #include "man.h"
 #include "mdoc.h"
 #include "main.h"
@@ -31,6 +33,7 @@
 		  struct mman *mm
 
 struct	mman {
+	int		  mode_space; /* spacing mode: 1 = on */
 	int		  need_space; /* next word needs prior ws */
 	int		  need_nl; /* next word needs prior nl */
 };
@@ -63,11 +66,13 @@ static	int	  pre_it(DECL_ARGS);
 static	int	  pre_nm(DECL_ARGS);
 static	int	  pre_ns(DECL_ARGS);
 static	int	  pre_pp(DECL_ARGS);
+static	int	  pre_sm(DECL_ARGS);
 static	int	  pre_sp(DECL_ARGS);
 static	int	  pre_sect(DECL_ARGS);
 static	int	  pre_ux(DECL_ARGS);
 static	int	  pre_xr(DECL_ARGS);
 static	void	  print_word(struct mman *, const char *);
+static	void	  print_offs(struct mman *, const char *);
 static	void	  print_node(DECL_ARGS);
 
 static	const struct manact manacts[MDOC_MAX + 1] = {
@@ -166,7 +171,7 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ NULL, NULL, NULL, NULL, NULL }, /* Sc */
 	{ cond_body, pre_enc, post_enc, "`", "'" }, /* So */
 	{ cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _Sm */
+	{ NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
 	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Sx */
 	{ NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Sy */
 	{ NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Tn */
@@ -227,8 +232,8 @@ print_word(struct mman *mm, const char *s)
 	 * Reassign needing space if we're not following opening
 	 * punctuation.
 	 */
-	mm->need_space = 
-		('(' != s[0] && '[' != s[0]) || '\0' != s[1];
+	mm->need_space = mm->mode_space &&
+		(('(' != s[0] && '[' != s[0]) || '\0' != s[1]);
 
 	for ( ; *s; s++) {
 		switch (*s) {
@@ -245,6 +250,29 @@ print_word(struct mman *mm, const char *s)
 	}
 }
 
+static void
+print_offs(struct mman *mm, const char *v)
+{
+	char		  buf[24];
+	struct roffsu	  su;
+	size_t		  sz;
+
+	if (NULL == v || '\0' == *v || 0 == strcmp(v, "left"))
+		sz = 0;
+	else if (0 == strcmp(v, "indent"))
+		sz = 6;
+	else if (0 == strcmp(v, "indent-two"))
+		sz = 12;
+	else if (a2roffsu(v, &su, SCALE_MAX)) {
+		print_word(mm, v);
+		return;
+	} else
+		sz = strlen(v);
+
+	snprintf(buf, sizeof(buf), "%ldn", sz);
+	print_word(mm, buf);
+}
+
 void
 man_man(void *arg, const struct man *man)
 {
@@ -273,6 +301,7 @@ man_mdoc(void *arg, const struct mdoc *mdoc)
 
 	memset(&mm, 0, sizeof(struct mman));
 
+	mm.mode_space = 1;
 	mm.need_nl = 1;
 	print_node(m, n, &mm);
 	putchar('\n');
@@ -290,7 +319,7 @@ print_node(DECL_ARGS)
 	 * This makes the page structure be more consistent.
 	 */
 	prev = n->prev ? n->prev : n->parent;
-	if (prev && prev->line < n->line)
+	if (prev && prev->line < n->line && MDOC_Ns != prev->tok)
 		mm->need_nl = 1;
 
 	act = NULL;
@@ -379,6 +408,8 @@ post_enc(DECL_ARGS)
 		return;
 	mm->need_space = 0;
 	print_word(mm, suffix);
+	if (MDOC_Fl == n->tok && 0 == n->nchild)
+		mm->need_space = 0;
 }
 
 /*
@@ -443,12 +474,19 @@ static int
 pre_bd(DECL_ARGS)
 {
 
+	if (0 == n->norm->Bd.comp) {
+		mm->need_nl = 1;
+		print_word(mm, ".sp");
+	}
 	if (DISP_unfilled == n->norm->Bd.type ||
 	    DISP_literal  == n->norm->Bd.type) {
 		mm->need_nl = 1;
 		print_word(mm, ".nf");
 	}
 	mm->need_nl = 1;
+	print_word(mm, ".RS");
+	print_offs(mm, n->norm->Bd.offs);
+	mm->need_nl = 1;
 	return(1);
 }
 
@@ -456,6 +494,8 @@ static void
 post_bd(DECL_ARGS)
 {
 
+	mm->need_nl = 1;
+	print_word(mm, ".RE");
 	if (DISP_unfilled == n->norm->Bd.type ||
 	    DISP_literal  == n->norm->Bd.type) {
 		mm->need_nl = 1;
@@ -544,6 +584,11 @@ pre_nm(DECL_ARGS)
 
 	if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
 		return(1);
+	if (MDOC_SYNPRETTY & n->flags) {
+		mm->need_nl = 1;
+		print_word(mm, ".br");
+		mm->need_nl = 1;
+	}
 	print_word(mm, "\\fB");
 	mm->need_space = 0;
 	if (NULL == n->child)
@@ -586,7 +631,19 @@ pre_pp(DECL_ARGS)
 	else
 		print_word(mm, ".PP");
 	mm->need_nl = 1;
-	return(1);
+	return(MDOC_Rs == n->tok);
+}
+
+static int
+pre_sm(DECL_ARGS)
+{
+
+	assert(n->child && MDOC_TEXT == n->child->type);
+	if (0 == strcmp("on", n->child->string))
+		mm->mode_space = 1;
+	else
+		mm->mode_space = 0;
+	return(0);
 }
 
 static int