assure a consistent assignment for nodes with multiple labels
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;
}