From 828852c36fe0a95170d0f7694461228f17d53652 Mon Sep 17 00:00:00 2001
From: expwnent <null@nowhere.com>
Date: Mon, 10 Nov 2014 01:09:50 -0500
Subject: [PATCH] Made persist-table correctly clear its stuff after exiting a
 game.

---
 library/lua/persist-table.lua | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/library/lua/persist-table.lua b/library/lua/persist-table.lua
index 387926eca..2b584fad1 100644
--- a/library/lua/persist-table.lua
+++ b/library/lua/persist-table.lua
@@ -4,6 +4,13 @@ local _ENV = mkmodule('persist-table')
 symbols = symbols or {}
 symbolCount = symbolCount or {}
 
+dfhack.onStateChange.persistTable = function(state)
+ if state == SC_WORLD_UNLOADED then
+  symbols = {}
+  symbolCount = {}
+ end
+end
+
 function ensure(name)
  return dfhack.persistent.save({key=name})
 end