From 1c071214b577c1f5d6cc8591b6b35f8dfad3635c Mon Sep 17 00:00:00 2001
From: Christopher Monsanto <chris@monsan.to>
Date: Mon, 13 Apr 2020 02:16:31 -0400
Subject: [PATCH] Use utf8.char, tup supports lua 5.3 after all

Did it gain support in a later version? Or, was I imagining it only
supporting 5.1 from the start?
---
 util/lua-ext.lua | 12 ------------
 util/pokemon.lua |  2 +-
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/util/lua-ext.lua b/util/lua-ext.lua
index e60297ba..8668a4ca 100644
--- a/util/lua-ext.lua
+++ b/util/lua-ext.lua
@@ -19,15 +19,3 @@ function astable(table)
         return {}
     end
 end
-
--- Lua 5.1, which ships with Tup, does not have a way of creating a string from
--- a unicode codepoint...
--- 
--- https://stackoverflow.com/a/7799843
-function unichr(ord)
-    if ord == nil then return nil end
-    if ord < 32 then return string.format('\\x%02x', ord) end
-    if ord < 126 then return string.char(ord) end
-    if ord < 65539 then return string.format("\\u%04x", ord) end
-    if ord < 1114111 then return string.format("\\u%08x", ord) end
-end
diff --git a/util/pokemon.lua b/util/pokemon.lua
index d3091930..644412c4 100644
--- a/util/pokemon.lua
+++ b/util/pokemon.lua
@@ -2,7 +2,7 @@
 function decodeFS(filename)
     return filename:gsub('_(%x%x%x%x)',
                    function(hex)
-                       return unichr(tonumber(hex, 16))
+                       return utf8.char(tonumber(hex, 16))
                    end)
 end