Add comment about ItemSAO being deprecated

diff --git a/src/content_sao.cpp b/src/content_sao.cpp
index c1a3ded5533437d7c351b2e3c486afb2dfbee1a8..4d49b68d9ec9396a178ca548f5e034d808beb513 100644 (file)
--- a/src/content_sao.cpp
+++ b/src/content_sao.cpp
@@ -141,6 +141,9 @@ TestSAO proto_TestSAO(NULL, v3f(0,0,0));
 
 /*
        ItemSAO
+
+       DEPRECATED: New dropped items are implemented in Lua; see
+                   builtin/item_entity.lua.
 */
 
 class ItemSAO : public ServerActiveObject