From: Emden R. Gansner <erg@alum.mit.edu>
Date: Tue, 4 Mar 2014 14:40:19 +0000 (-0500)
Subject: Fix gvpr so that edges can be created in subgraphs
X-Git-Tag: 2.38.0~43
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4b83f47fd82cdbb1c4b7349329212697e515e971;p=graphviz

Fix gvpr so that edges can be created in subgraphs
---

diff --git a/lib/gvpr/compile.c b/lib/gvpr/compile.c
index 68f7851ad..f8cb70bec 100644
--- a/lib/gvpr/compile.c
+++ b/lib/gvpr/compile.c
@@ -2613,19 +2613,19 @@ Agnode_t *openNode(Agraph_t * g, char *name)
 
 /* openEdge:
  * Create edge and initialize dynamic data.
- * The edge is always created in the root graph.
  */
 Agedge_t *openEdge(Agraph_t* g, Agnode_t * t, Agnode_t * h, char *key)
 {
     Agedge_t *ep;
     Agraph_t *root;
 
-    root = sameG(t, h, "openEdge", "tail and head node");
+    root = sameG(t, h, "openEdge", "tail and head nodes");
     if (!root)
 	return 0;
-    if (g && (root != agroot(g)))
-	return 0;
-    else
+    if (g) {
+	if (!sameG(g, root, "openEdge", "subgraph and nodes"))
+	    return 0;
+    } else
 	g = root;
 
     ep = agedge(g, t, h, key, 1);