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diff --git a/sdl3/guardian.scm b/sdl3/guardian.scm
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+;;; guile-sdl3 -- Scheme bindings for SDL3
+;;; Copyright © 2024 David Thompson <dthompson2@worcester.edu>
+;;;
+;;; Licensed under the Apache License, Version 2.0 (the "License");
+;;; you may not use this file except in compliance with the License.
+;;; You may obtain a copy of the License at
+;;;
+;;;    http://www.apache.org/licenses/LICENSE-2.0
+;;;
+;;; Unless required by applicable law or agreed to in writing, software
+;;; distributed under the License is distributed on an "AS IS" BASIS,
+;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+;;; See the License for the specific language governing permissions and
+;;; limitations under the License.
+
+;;; Commentary:
+;;
+;; SDL3 foreign object guardian.
+;;
+;;; Code:
+
+(define-module (sdl3 guardian)
+  #:export (sdl-guardian
+            sdl-protect))
+
+(define sdl-guardian (make-guardian))
+
+(define (sdl-protect obj)
+  (sdl-guardian obj)
+  obj)