X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Flayer.h;h=3e332d98c064cf2d5179130bb502a2bb0996bc4e;hb=71f558fb16eaaacd692807b902429e6a249c1540;hp=e8cf1a64489361175f6efd796fa62ad302a6a528;hpb=8ef042c40521681cea99944097c4f90a5ac6cf74;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/layer.h b/synfig-core/trunk/src/synfig/layer.h
index e8cf1a6..3e332d9 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: