fix stack overflow when transfering a clonable userdata referencing itself through a uservalue

1 files changed, 2 insertions, 0 deletions

diff --git a/deep_test/deep_test.c b/deep_test/deep_test.c
index dabc84d..873428b 100644
--- a/deep_test/deep_test.c
+++ b/deep_test/deep_test.c
@@ -16,6 +16,7 @@
 
 // ################################################################################################
 
+// a lanes-deep userdata. needs DeepPrelude and luaG_newdeepuserdata from Lanes code.
 struct s_MyDeepUserdata
 {
         DeepPrelude prelude; // Deep userdata MUST start with this header
@@ -190,6 +191,7 @@ static int clonable_gc( lua_State* L)
 
 // ################################################################################################
 
+// this is all we need to make a userdata lanes-clonable. no dependency on Lanes code.
 static int clonable_lanesclone( lua_State* L)
 {
         switch( lua_gettop( L))