From 8b92121f32436494b1b7955a05a198fc9f62f46d Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sun, 18 Jun 2006 13:54:27 +0000
Subject: [PATCH] This trick only works for English

---
 src/SDL_compat.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/SDL_compat.c b/src/SDL_compat.c
index 279784be6..c11c91056 100644
--- a/src/SDL_compat.c
+++ b/src/SDL_compat.c
@@ -208,12 +208,13 @@ SDL_CompatEventFilter(SDL_Event * event)
         {
             Uint32 unicode = 0;
             if (event->key.type == SDL_KEYDOWN && event->key.keysym.sym < 256) {
-                int shifted = !!(event->key.keysym.mod & KMOD_SHIFT);
-                int capslock = !!(event->key.keysym.mod & KMOD_CAPS);
-                if ((shifted ^ capslock) != 0) {
-                    unicode = SDL_toupper(event->key.keysym.sym);
-                } else {
-                    unicode = event->key.keysym.sym;
+                unicode = event->key.keysym.sym;
+                if(unicode >= 'a' && unicode <= 'z') {
+                    int shifted = !!(event->key.keysym.mod & KMOD_SHIFT);
+                    int capslock = !!(event->key.keysym.mod & KMOD_CAPS);
+                    if ((shifted ^ capslock) != 0) {
+                        unicode = SDL_toupper(unicode);
+                    }
                 }
             }
             if (unicode) {