===================================================================
RCS file: /cvs/mandoc/Attic/mdoc_action.c,v
retrieving revision 1.59
retrieving revision 1.65
diff -u -p -r1.59 -r1.65
--- mandoc/Attic/mdoc_action.c	2010/05/17 22:11:42	1.59
+++ mandoc/Attic/mdoc_action.c	2010/06/03 13:44:36	1.65
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_action.c,v 1.59 2010/05/17 22:11:42 kristaps Exp $ */
+/*	$Id: mdoc_action.c,v 1.65 2010/06/03 13:44:36 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -33,7 +33,7 @@
 #include "libmandoc.h"
 
 #define	POST_ARGS struct mdoc *m, struct mdoc_node *n
-#define	PRE_ARGS  struct mdoc *m, const struct mdoc_node *n
+#define	PRE_ARGS  struct mdoc *m, struct mdoc_node *n
 
 #define	NUMSIZ	  32
 #define	DATESIZ	  32
@@ -57,6 +57,7 @@ static	int	  post_dd(POST_ARGS);
 static	int	  post_display(POST_ARGS);
 static	int	  post_dt(POST_ARGS);
 static	int	  post_lb(POST_ARGS);
+static	int	  post_li(POST_ARGS);
 static	int	  post_nm(POST_ARGS);
 static	int	  post_os(POST_ARGS);
 static	int	  post_pa(POST_ARGS);
@@ -102,7 +103,7 @@ static	const struct actions mdoc_actions[MDOC_MAX] = {
 	{ NULL, NULL }, /* Ft */ 
 	{ NULL, NULL }, /* Ic */ 
 	{ NULL, NULL }, /* In */ 
-	{ NULL, NULL }, /* Li */
+	{ NULL, post_li }, /* Li */
 	{ NULL, NULL }, /* Nd */ 
 	{ NULL, post_nm }, /* Nm */ 
 	{ NULL, NULL }, /* Op */
@@ -193,6 +194,7 @@ static	const struct actions mdoc_actions[MDOC_MAX] = {
 	{ NULL, NULL }, /* br */
 	{ NULL, NULL }, /* sp */
 	{ NULL, NULL }, /* %U */
+	{ NULL, NULL }, /* Ta */
 };
 
 #define	RSORD_MAX 14
@@ -216,7 +218,7 @@ static	const enum mdoct rsord[RSORD_MAX] = {
 
 
 int
-mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
+mdoc_action_pre(struct mdoc *m, struct mdoc_node *n)
 {
 
 	switch (n->type) {
@@ -498,8 +500,8 @@ post_dt(POST_ARGS)
 	if (NULL == (nn = n->child)) {
 		/* XXX: make these macro values. */
 		/* FIXME: warn about missing values. */
-		m->meta.title = mandoc_strdup("unknown");
-		m->meta.vol = mandoc_strdup("local");
+		m->meta.title = mandoc_strdup("UNKNOWN");
+		m->meta.vol = mandoc_strdup("LOCAL");
 		m->meta.msec = mandoc_strdup("1");
 		return(post_prol(m, n));
 	}
@@ -508,12 +510,13 @@ post_dt(POST_ARGS)
 	 *   --> title = TITLE, volume = local, msec = 0, arch = NULL
 	 */
 
-	m->meta.title = mandoc_strdup(nn->string);
+	m->meta.title = mandoc_strdup
+		('\0' == nn->string[0] ? "UNKNOWN" : nn->string);
 
 	if (NULL == (nn = nn->next)) {
 		/* FIXME: warn about missing msec. */
 		/* XXX: make this a macro value. */
-		m->meta.vol = mandoc_strdup("local");
+		m->meta.vol = mandoc_strdup("LOCAL");
 		m->meta.msec = mandoc_strdup("1");
 		return(post_prol(m, n));
 	}
@@ -637,11 +640,14 @@ post_bl_tagwidth(POST_ARGS)
 	/* Defaults to ten ens. */
 
 	sz = 10; /* XXX: make this a macro value. */
-	nn = n->body->child;
 
+	for (nn = n->body->child; nn; nn = nn->next) {
+		if (MDOC_It == nn->tok)
+			break;
+	}
+
 	if (nn) {
 		assert(MDOC_BLOCK == nn->type);
-		assert(MDOC_It == nn->tok);
 		nn = nn->head->child;
 		if (MDOC_TEXT != nn->type) {
 			sz = mdoc_macro2len(nn->tok);
@@ -834,6 +840,27 @@ post_pa(POST_ARGS)
 
 
 /*
+ * Empty `Li' macros get an empty string to make front-ends add an extra
+ * space.
+ */
+static int
+post_li(POST_ARGS)
+{
+	struct mdoc_node *np;
+
+	if (n->child)
+		return(1);
+	
+	np = n;
+	m->next = MDOC_NEXT_CHILD;
+	if ( ! mdoc_word_alloc(m, n->line, n->pos, ""))
+		return(0);
+	m->last = np;
+	return(1);
+}
+
+
+/*
  * The `Ar' macro defaults to two strings "file ..." if no value is
  * provided as an argument.
  */
@@ -921,8 +948,7 @@ pre_offset(PRE_ARGS)
 	 * stipulated by mdoc.samples. 
 	 */
 
-	assert(n->args);
-	for (i = 0; i < (int)n->args->argc; i++) {
+	for (i = 0; n->args && i < (int)n->args->argc; i++) {
 		if (MDOC_Offset != n->args->argv[i].arg) 
 			continue;
 		if (n->args->argv[i].sz)
@@ -943,7 +969,9 @@ static int
 pre_bl(PRE_ARGS)
 {
 
-	return(MDOC_BLOCK == n->type ? pre_offset(m, n) : 1);
+	if (MDOC_BLOCK == n->type)
+		return(pre_offset(m, n));
+	return(1);
 }