diff --git a/libs/green_t.lua b/libs/green_t.lua
index 9f8afc3..c3e259e 100644
--- a/libs/green_t.lua
+++ b/libs/green_t.lua
@@ -117,7 +117,7 @@ do
 	local function pseudo_literal(mode)
 		local upvals = {setmetatable=setmetatable, setn=table.setn, error=error}
 		local mt = {__call = pseudo_vararg_function(insert_chunk(mode) .. 'setmetatable(a1, nil); return a1', upvals)}
-		return function() return setmetatable(acquire_temp(), mt) end
+		return function() return setmetatable(acquire(), mt) end
 	end
 	public.S.get = pseudo_literal'k'
 	public.A.get = pseudo_literal'v'
@@ -125,10 +125,15 @@ do
 	public.T.get = pseudo_literal'kv'
 end
 
-do
-	local body = ''
-	for i = 2, 100 do
-		body = body .. format('if a1 == %d then return %s end;', i, arg_chunk(i, 100))
-	end
-	public.select = pseudo_vararg_function(body)
+--do
+--	local body = ''
+--	for i = 2, 100 do
+--		body = body .. format('if a1 == %d then return %s end;', i, arg_chunk(i, 100))
+--	end
+--	public.select = pseudo_vararg_function(body)
+--end
+
+function public.select(i, ...) temp=arg
+while i > 1 do i = i - 1; tremove(arg, i) end
+return tremove(arg, 1), unpack(arg)
 end
\ No newline at end of file
diff --git a/util/filter.lua b/util/filter.lua
index 42e17a5..c61c7c6 100644
--- a/util/filter.lua
+++ b/util/filter.lua
@@ -239,6 +239,7 @@ do
 			) do
 				if not self[parser[1]] then
 					tinsert(parser, str)
+					p(str, p(unpack(parser)), p(select(3, unpack(parser))))
 					local index, label = parser[2](select(3, unpack(parser)))
 					if index then
 						self[parser[1]] = A(label, index)
diff --git a/util/info.lua b/util/info.lua
index 3d3f62c..f269728 100644
--- a/util/info.lua
+++ b/util/info.lua
@@ -372,7 +372,7 @@ end
 
 function public.item_class_index(item_class)
     for i, class in temp-A(GetAuctionItemClasses()) do
-	    if item_class == nil then error() end
+	    if type(item_class) ~= 'string' then error() end
         if strupper(class) == strupper(item_class) then
             return i, class
         end