From eb06f94013a5674211d50f6dc4ae902075c29a11 Mon Sep 17 00:00:00 2001
From: mitchell <unknown>
Date: Sat, 6 Jun 2020 21:30:11 -0400
Subject: Fixed crash when LexerLPeg cannot find lexer.lua module.

---
 lexers/LexLPeg.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lexers/LexLPeg.cxx b/lexers/LexLPeg.cxx
index a78189769..bf5b60774 100644
--- a/lexers/LexLPeg.cxx
+++ b/lexers/LexLPeg.cxx
@@ -479,6 +479,8 @@ class LexerLPeg : public DefaultLexer {
         if (status == LUA_OK && lua_pcall(L, 0, 1, -2) == LUA_OK) break;
         return (LogError(L), false);
       }
+      if (lua_isnil(L, -1))
+        return (LogError(L, "'lexer.lua' module not found"), false);
       lua_remove(L, -2); // lua_error_handler
       lua_replace(L, -2); // nil
       lua_pushinteger(L, SC_FOLDLEVELBASE);
-- 
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