SDL: docs/README-main-functions: point to SDL3/NonstandardStartup wiki page.

From ade272082983327e252b92c77bd21289a86070da Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Fri, 5 Dec 2025 13:26:43 -0500
Subject: [PATCH] docs/README-main-functions: point to SDL3/NonstandardStartup
 wiki page.

Fixes #14513.
---
 docs/README-main-functions.md | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/docs/README-main-functions.md b/docs/README-main-functions.md
index 16ec9c5d2ee3e..e8f197f4ffdfb 100644
--- a/docs/README-main-functions.md
+++ b/docs/README-main-functions.md
@@ -205,13 +205,13 @@ data, as this pointer will not be provided to your app again.
 The SDL_AppResult value that terminated the app is provided here, in case
 it's useful to know if this was a successful or failing run of the app.
 
-## Implementing main callbacks for other languages
 
-If you're writing language bindings for SDL and want to provide the main
-callback functionality, you should call SDL_EnterAppMainCallbacks() and pass it
-the arguments and callback functions that you want called during the program
-execution. This function will call the init, event, and iterate functions and
-then once the application is done, will call the quit callback and return.
+## Using main functions from other languages
+
+If not working in C/C++, using SDL's entry points is still possible but more
+complex. Please refer to https://wiki.libsdl.org/SDL3/NonstandardStartup for
+the technical details.
+
 
 ## Summary and Best Practices