mdocml: Make "sub" for conditionals run roffnode_cleanscope() before

mdocml: Make "sub" for conditionals run roffnode_cleanscope() before

[kristaps]

Log Message:
-----------
Make "sub" for conditionals run roffnode_cleanscope() before calling
down to sub-arguments.  From a bug report by Ulrich Spoerlein.

Modified Files:
--------------
    mdocml:
        roff.c

Revision Data
-------------
Index: roff.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/roff.c,v
retrieving revision 1.86
retrieving revision 1.87
diff -Lroff.c -Lroff.c -u -p -r1.86 -r1.87
--- roff.c
+++ roff.c
@@ -621,11 +621,21 @@ roff_cond_sub(ROFF_ARGS)
 {
 	enum rofft	 t;
 	enum roffrule	 rr;
+	struct roffnode	*l;
 
 	ppos = pos;
 	rr = r->last->rule;
 
-	roff_cond_text(r, tok, bufp, szp, ln, ppos, pos, offs);
+	/* 
+	 * Clean out scope.  If we've closed ourselves, then don't
+	 * continue. 
+	 */
+
+	l = r->last;
+	roffnode_cleanscope(r);
+
+	if (l != r->last)
+		return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT);
 
 	if (ROFF_MAX == (t = roff_parse(*bufp, &pos)))
 		return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT);
--
 To unsubscribe send an email to source+unsubscribe@mdocml.bsd.lv