From: Stephen North <north@pome.client.research.att.com>
Date: Thu, 25 Jul 2013 18:20:55 +0000 (-0400)
Subject: Patch for egregious parser problems.
X-Git-Tag: LAST_LIBGRAPH~32^2~131
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3c00102dfc7805cb74ce40e95068cc1b7895c72f;p=graphviz

Patch for egregious parser problems.
---

diff --git a/lib/cgraph/grammar.y b/lib/cgraph/grammar.y
index 7b13ba3dd..d8cb343c6 100644
--- a/lib/cgraph/grammar.y
+++ b/lib/cgraph/grammar.y
@@ -397,7 +397,7 @@ static void getedgeitems(int x)
 		v = cons_list(S->nodelist.first);
 		S->nodelist.first = S->nodelist.last = NILitem;
 	}
-	else {if (S->subg) v = cons_subg(S->subg);}
+	else {if (S->subg) v = cons_subg(S->subg); S->subg = 0;}
 	/* else nil append */
 	if (v) listapp(&(S->edgelist),v);
 }