From 1364527681887284a761934e3f2a6130dc91211b Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Sun, 23 Oct 2011 17:00:14 +0000
Subject: [PATCH] Fix error when trying to insert to the end of the file from
 auto4lua

Originally committed to SVN as r5760.
---
 aegisub/src/auto4_lua_assfile.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/aegisub/src/auto4_lua_assfile.cpp b/aegisub/src/auto4_lua_assfile.cpp
index e7d74d154..97528a35e 100644
--- a/aegisub/src/auto4_lua_assfile.cpp
+++ b/aegisub/src/auto4_lua_assfile.cpp
@@ -579,6 +579,12 @@ namespace Automation4 {
 		luaL_argcheck(L, before > 0 && before <= (int)lines.size() + 1, 1,
 			"Out of range line index");
 
+		if (before == (int)lines.size() + 1) {
+			lua_remove(L, 1);
+			ObjectAppend(L);
+			return;
+		}
+
 		SeekCursorTo(before);
 
 		int n = lua_gettop(L);