From d6f6f1c52af4590984ca046ae5e1317b39f896ad Mon Sep 17 00:00:00 2001
From: robin <comfysagedev@gmail.com>
Date: Sat, 31 Jan 2026 21:27:39 +0100
Subject: [PATCH] fix(config): `vim.NIL` logic

fix https://github.com/comfysage/artio.nvim/issues/12
---
 lua/artio/config.lua | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lua/artio/config.lua b/lua/artio/config.lua
index 7958b3d..f8c369e 100644
--- a/lua/artio/config.lua
+++ b/lua/artio/config.lua
@@ -74,7 +74,7 @@ local function tmerge(tdefault, toverride)
     return tdefault
   end
 
-  if tdefault == vim.NIL or vim.islist(tdefault) then
+  if vim.islist(tdefault) then
     return toverride
   end
   if vim.tbl_isempty(tdefault) then
@@ -82,6 +82,11 @@ local function tmerge(tdefault, toverride)
   end
 
   return vim.iter(pairs(tdefault)):fold({}, function(tnew, k, v)
+    if v == vim.NIL and toverride[k] ~= nil then
+      tnew[k] = toverride[k]
+      return tnew
+    end
+
     if toverride[k] == nil or type(v) ~= type(toverride[k]) then
       tnew[k] = v
       return tnew
-- 
2.51.2