Minor: str:sub -> string.sub for consistency with the rest of the code

2024-03-18 02:05:14 +01:00 · 2024-03-18 02:05:14 +01:00 · 7be1254307
parent 458c8cff9d
commit 7be1254307
1 changed files with 1 additions and 1 deletions
--- a/advtrains/poconvert.lua
+++ b/advtrains/poconvert.lua
@ -13,7 +13,7 @@ do
 	local function replace_single(pfx, c)
 		local pl = #pfx
 		if pl % 2 == 0 then
-			return pfx:sub(1, pl/2) .. c
+			return string.sub(pfx, 1, pl/2) .. c
 		end
 		return string.sub(pfx, 1, math.floor(pl/2)) .. (schartbl[c] or c)
 	end