X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Flayer.h;h=64cd310f600bdd42f0e03ebd7b12d4ff315de473;hb=515a8fd01a0b1229899edaf13ca2c2de1d1d81cf;hp=a3ae3b74561099424da7c966b8f98e49699c91bd;hpb=b32ee1ef8d1dabe2cbcb318c42b1bbd06fd4387d;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/layer.h b/synfig-core/trunk/src/synfig/layer.h
index a3ae3b7..64cd310 100644
--- a/synfig-core/trunk/src/synfig/layer.h
+++ b/synfig-core/trunk/src/synfig/layer.h
@@ -82,6 +82,10 @@
 //! \writeme
 #define EXPORT_VERSION()	if(param=="Version" || param=="version" || param=="version__") { return version__; }
 
+//! This is used as the category for layer book entries which represent aliases of layers.
+//! It prevents these layers showing up in the menu.
+#define CATEGORY_DO_NOT_USE "Do Not Use"
+
 /* === T Y P E D E F S ===================================================== */
 
 /* === C L A S S E S & S T R U C T S ======================================= */
@@ -418,8 +422,10 @@ public:
 	//! Duplicates the Layer
 	virtual Handle clone(const GUID& deriv_guid=GUID())const;
 
+#ifdef THIS_CODE_IS_NOT_USED
 	//! Duplicates the Layer without duplicating the value nodes
 	virtual Layer *simple_clone()const;
+#endif /* THIS_CODE_IS_NOT_USED */
 
 protected: