From d693023ebd9cdb339d0695d4307e5fc997c944ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcel=20Fabian=20Kr=C3=BCger?= <tex@2krueger.de>
Date: Tue, 9 Nov 2021 17:12:28 +0100
Subject: [PATCH] More compatible error formatting

---
 luametalatex-basecallbacks.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/luametalatex-basecallbacks.lua b/luametalatex-basecallbacks.lua
index dea0ce8..c3d4e01 100644
--- a/luametalatex-basecallbacks.lua
+++ b/luametalatex-basecallbacks.lua
@@ -133,8 +133,12 @@ function callbacks.intercept_tex_error(mode, errortype)
     return 3
   end
   texio.write'.'
+  if mode == 0 then return 0 end
   tex.showcontext()
-  if mode ~= 3 then return mode end
+  if mode ~= 3 then
+    texio.write('logfile', tex.gethelptext() .. '\n')
+    return mode
+  end
   repeat
     texio.write_nl'? '
     local line = io.read()