Fix for BLINE removal

[Joerg Sonnenberger <joerg@britannica.bec.de>]

[-- Attachment #1: Type: text/plain, Size: 192 bytes --]

Hi all,
the attached patch fixes the BLINE removal logic in man(7) for cases
like

	.TP 8
	.SH foo

This is one of the most popular issues with man pages in pkgsrc right
now. Comments?

Joerg

[-- Attachment #2: man.c.diff --]
[-- Type: text/x-diff, Size: 748 bytes --]

Index: man.c
===================================================================
RCS file: /home/joerg/cvsroot/mdocml/man.c,v
retrieving revision 1.113
diff -u -p -r1.113 man.c
--- man.c	7 Nov 2011 01:24:40 -0000	1.113
+++ man.c	16 Nov 2011 14:11:00 -0000
@@ -556,10 +556,15 @@ man_pmacro(struct man *m, int ln, char *
 	if ((m->flags & MAN_BLINE) &&
 	    (MAN_BSCOPE & man_macros[tok].flags)) {
 		n = m->last;
-		assert(MAN_TEXT != n->type);
 
-		/* Remove element that didn't end BLINE, if any. */
+		/* Might be a text node like 8 in
+		 * .TP 8
+		 * .SH foo
+		 */
+		if (MAN_TEXT == n->type)
+			n = n->parent;
 
+		/* Remove element that didn't end BLINE, if any. */
 		if ( ! (MAN_BSCOPE & man_macros[n->tok].flags))
 			n = n->parent;