From 62e175ef9fae75335575964c845a302447c012c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Camilla=20L=C3=B6wy?= <elmindreda@elmindreda.org>
Date: Thu, 5 May 2022 21:47:34 +0200
Subject: [PATCH] Win32: Add comment clarifying use of ToUnicode

Fixes #2100
---
 src/win32_init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/win32_init.c b/src/win32_init.c
index 9465c951..1cdc5b98 100644
--- a/src/win32_init.c
+++ b/src/win32_init.c
@@ -502,6 +502,8 @@ void _glfwUpdateKeyNamesWin32(void)
 
         if (length == -1)
         {
+            // This is a dead key, so we need a second simulated key press
+            // to make it output its own character (usually a diacritic)
             length = ToUnicode(vk, scancode, state,
                                chars, sizeof(chars) / sizeof(WCHAR),
                                0);