Really fixed the NSMapTable nonsense now. Added a TODO to go through the rest of the code for the same.

TODO.md

@@ -1,3 +1,5 @@
+- go through ALL the objective-c objects we create and make sure we are using the proper ownership (alloc/init and new are owned by us, all class method constructors are autoreleased - thanks mikeash)
+
 - on OS X, edit shortcuts like command-C working require that the menu entries be defined, or so it seems, even for NSAlert
 	- other platforms?
 

darwin/map.m

@@ -13,10 +13,9 @@ struct mapTable *newMap(void)
 	struct mapTable *m;
 
 	m = uiNew(struct mapTable);
-	m->m = [NSMapTable mapTableWithKeyOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
-		valueOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)];
-	// TODO why do I need this
-	[m->m retain];
+	m->m = [[NSMapTable alloc] initWithKeyOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
+		valueOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
+		capacity:0];
 	return m;
 }