From 9caa11014108f4a9f527983df3e48a2661b4e787 Mon Sep 17 00:00:00 2001
From: Jeremy Hylton <jeremy@alum.mit.edu>
Date: Wed, 18 Feb 1998 16:10:22 +0000
Subject: assure a consistent assignment for nodes with multiple labels

---
 Doc/node2label.pl       | 3 ++-
 Doc/tools/node2label.pl | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Doc/node2label.pl b/Doc/node2label.pl
index 8159900..1d643db 100755
--- a/Doc/node2label.pl
+++ b/Doc/node2label.pl
@@ -4,7 +4,8 @@
 require "labels.pl";
 
 %nodes = ();
-foreach $label (keys %external_labels) {
+# sort so that we get a consistent assignment for nodes with multiple labels 
+foreach $label (sort keys %external_labels) {
   $nodes{$external_labels{$label}} = $label;
 }
 
diff --git a/Doc/tools/node2label.pl b/Doc/tools/node2label.pl
index 8159900..1d643db 100755
--- a/Doc/tools/node2label.pl
+++ b/Doc/tools/node2label.pl
@@ -4,7 +4,8 @@
 require "labels.pl";
 
 %nodes = ();
-foreach $label (keys %external_labels) {
+# sort so that we get a consistent assignment for nodes with multiple labels 
+foreach $label (sort keys %external_labels) {
   $nodes{$external_labels{$label}} = $label;
 }
 
-- 
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