1 files changed, 8 insertions, 5 deletions

diff --git a/src/tools.c b/src/tools.c
index 98938f0..2f9de7b 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -47,7 +47,7 @@ THE SOFTWARE.
 #include "uniquekey.h"
 
 // functions implemented in deep.c
-extern luaG_IdFunction copydeep( Universe* U, lua_State* L, lua_State* L2, int index, LookupMode mode_);
+extern bool_t copydeep( Universe* U, lua_State* L, lua_State* L2, int index, LookupMode mode_);
 extern void push_registry_subtable( lua_State* L, void* key_);
 
 char const* const CONFIG_REGKEY = "ee932492-a654-4506-9da8-f16540bdb5d4";
@@ -1582,7 +1582,7 @@ static void inter_copy_keyvaluepair( Universe* U, lua_State* L2, uint_t L2_cache
 * Copies a value from 'L' state (at index 'i') to 'L2' state. Does not remove
 * the original value.
 *
-* NOTE: Both the states must be solely in the current OS thread's posession.
+* NOTE: Both the states must be solely in the current OS thread's possession.
 *
 * 'i' is an absolute index (no -1, ...)
 *
@@ -1648,7 +1648,7 @@ static bool_t inter_copy_one_( Universe* U, lua_State* L2, uint_t L2_cache_i, lu
                 lua_pushlightuserdata( L2, lua_touserdata( L, i));
                 break;
 
-                        /* The following types are not allowed as table keys */
+                /* The following types are not allowed as table keys */
 
                 case LUA_TUSERDATA:
                 if( vt == VT_KEY)
@@ -1658,8 +1658,11 @@ static bool_t inter_copy_one_( Universe* U, lua_State* L2, uint_t L2_cache_i, lu
                 }
                 // Allow only deep userdata entities to be copied across
                 DEBUGSPEW_CODE( fprintf( stderr, INDENT_BEGIN "USERDATA\n" INDENT_END));
-                if( !copydeep( U, L, L2, i, mode_))
+                if( copydeep( U, L, L2, i, mode_))
                 {
+                        break;
+                }
+
                         if( lua_getmetatable( L, i))                                             // ... mt?
                         {
                                 lua_getfield( L, -1, "__lanesclone");                                  // ... mt clone?
@@ -1691,6 +1694,7 @@ static bool_t inter_copy_one_( Universe* U, lua_State* L2, uint_t L2_cache_i, lu
                                         }
                                 }
                                 lua_pop( L, 2);                                                        // ...
+                                break;
                         }
 
                         // Not a deep or clonable full userdata
@@ -1703,7 +1707,6 @@ static bool_t inter_copy_one_( Universe* U, lua_State* L2, uint_t L2_cache_i, lu
                         {
                                 (void) luaL_error( L, "can't copy non-deep full userdata across lanes");
                         }
-                }
                 break;
 
                 case LUA_TNIL: