From 3b15924f71a3271db6857f86f54ad45b1546190a Mon Sep 17 00:00:00 2001
From: crc <crc@noemail.net>
Date: Fri, 18 Dec 2020 19:21:43 +0000
Subject: [PATCH] nga-python: fix a bug in the dictionary population code

FossilOrigin-Name: b1ac26066a2e64aaa7d1b929b7993844d330a244183b8a39911b97596a3380e7
---
 vm/nga-python/retro.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vm/nga-python/retro.py b/vm/nga-python/retro.py
index 0c73f27..5c6cb3d 100644
--- a/vm/nga-python/retro.py
+++ b/vm/nga-python/retro.py
@@ -114,7 +114,8 @@ class Retro:
         header = self.memory[2]
         while header != 0:
             named = self.extract_string(header + 3)
-            Dictionary[named] = header
+            if not named in Dictionary:
+                Dictionary[named] = header
             header = self.memory[header]
         return Dictionary