From 1eda95f7f0f13f1135f73c30b3aa6f5f2f0982e7 Mon Sep 17 00:00:00 2001
From: John Ellson <ellson@research.att.com>
Date: Tue, 14 Aug 2012 16:10:36 -0400
Subject: [PATCH] fix deletes

---
 tclpkg/tcldot/tcldot-util.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tclpkg/tcldot/tcldot-util.c b/tclpkg/tcldot/tcldot-util.c
index ea09f4e73..0bff8985f 100644
--- a/tclpkg/tcldot/tcldot-util.c
+++ b/tclpkg/tcldot/tcldot-util.c
@@ -64,7 +64,11 @@ Agedge_t *cmd2e(gctx_t *gctx, char *cmd) {
 #ifdef WITH_CGRAPH
 void deleteEdge(gctx_t *gctx, Agraph_t * g, Agedge_t *e)
 {
+    char buf[32];
+
+    sprintf(buf,"edge%p",e);
     agdelete(gctx->g, e);  /* delete edge from root graph */
+    Tcl_DeleteCommand(gctx->ictx->interp, buf);
 }
 static void deleteNodeEdges(gctx_t *gctx, Agraph_t *g, Agnode_t *n)
 {
@@ -79,8 +83,13 @@ static void deleteNodeEdges(gctx_t *gctx, Agraph_t *g, Agnode_t *n)
 }
 void deleteNode(gctx_t * gctx, Agraph_t *g, Agnode_t *n)
 {
+    char buf[32];
+
     deleteNodeEdges(gctx, gctx->g, n); /* delete all edges to/from node in root graph */
+
+    sprintf(buf,"node%p",n);
     agdelete(gctx->g, n); /* delete node from root graph */
+    Tcl_DeleteCommand(gctx->ictx->interp, buf);
 }
 static void deleteGraphNodes(gctx_t * gctx, Agraph_t *g)
 {
@@ -96,16 +105,20 @@ static void deleteGraphNodes(gctx_t * gctx, Agraph_t *g)
 void deleteGraph(gctx_t * gctx, Agraph_t *g)
 {
     Agraph_t *sg;
+    char buf[32];
 
     for (sg = agfstsubg (g); sg; sg = agnxtsubg (sg)) {
 	deleteGraph(gctx, sg);
     }
     deleteGraphNodes(gctx, g);
+
+    sprintf(buf,"graph%p",g);
     if (g == agroot(g)) {
 	agclose(g);
     } else {
 	agdelsubg(agroot(g), g);
     }
+    Tcl_DeleteCommand(gctx->ictx->interp, buf);
 }
 #else
 void deleteEdge(ictx_t * ictx, Agraph_t * g, Agedge_t *e)
-- 
2.50.1