From 1c76870228796a19b07629e5a0f668628536d4ac Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 27 Apr 2025 18:23:13 +0300
Subject: [PATCH] fix gui.template(...)

---
 res/scripts/stdlib.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/res/scripts/stdlib.lua b/res/scripts/stdlib.lua
index 79482c3e..f60242cd 100644
--- a/res/scripts/stdlib.lua
+++ b/res/scripts/stdlib.lua
@@ -228,11 +228,14 @@ function gui.template(name, params)
     local text = file.read(file.find("layouts/templates/"..name..".xml"))
     text = text:gsub("%%{([^}]+)}", function(n) 
         local s = params[n]
+        if s == nil then
+            return
+        end
         if type(s) ~= "string" then
             return tostring(s)
         end
         if #s == 0 then
-            return
+            return ''
         end
         local e = string.escape(s)
         return e:sub(2, #e-1)