use @diagnostic comments to reduce warning spam in console

src/util/libbl.lua

@@ -446,7 +446,7 @@ local tsMeta = {
 			elseif name:find('::') then
 				local ns, rest = name:match('^([^:]+)::(.+)$')
 				if not ns then error('ts index: invalid name \''..name..'\'', 2) end
-				if not rest:find('::') and tsIsFunction(ns, rest) then
+				if not rest:find('::') and tsIsFunction(ns, rest) then -- tsIsFunction is only defined with one argument
 					error('ts index: can\'t call a namespaced function from lua', 2)
 				else
 					return valFromTs(_bllua_ts.getvar(name), name)