From 7b2e97dac6a479b0944f57356be3baa91c23659d Mon Sep 17 00:00:00 2001
From: joncruz <joncruz@users.sourceforge.net>
Date: Mon, 3 Mar 2008 17:21:13 +0000
Subject: [PATCH] Avoid redundant additions for non-layer layers

---
 src/layer-manager.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/layer-manager.cpp b/src/layer-manager.cpp
index 32a8b46ff..c7ba0e904 100644
--- a/src/layer-manager.cpp
+++ b/src/layer-manager.cpp
@@ -283,7 +283,9 @@ void LayerManager::_rebuild() {
                     layersToAdd.insert(SP_GROUP(layer));
                 }
                 for ( std::set<SPGroup*>::iterator it = additional.begin(); it != additional.end(); ++it ) {
-                    layersToAdd.insert(*it);
+                    if ( !includes(*it) ) {
+                        layersToAdd.insert(*it);
+                    }
                 }
             }
         }
-- 
2.30.2