Update SDL_keycode.inc to 3.4.4

Author: Free-Pascal-meets-SDL-Website

units/SDL3.pas

@@ -100,7 +100,7 @@ interface
 {$I SDL_audio.inc}                        // 3.4.2
 {$I SDL_sensor.inc}                       // 3.4.4
 {$I SDL_scancode.inc}                     // 3.4.4
-{$I SDL_keycode.inc}                      // 3.2.20
+{$I SDL_keycode.inc}                      // 3.4.4
 {$I SDL_mouse.inc}                        // 3.4.4
 {$I SDL_keyboard.inc}                     // 3.4.4
 {$I SDL_joystick.inc}                     // 3.4.4

units/SDL_keycode.inc

@@ -26,12 +26,16 @@
  * `SDLK_*` constant for those keys that do not generate characters.
  *
  * A special exception is the number keys at the top of the keyboard which map
- * to SDLK_0...SDLK_9 on AZERTY layouts.
+ * by default to SDLK_0...SDLK_9 on AZERTY layouts.
  *
  * Keys with the `SDLK_EXTENDED_MASK` bit set do not map to a scancode or
- * unicode code point.
+ * Unicode code point.
+ *
+ * Many common keycodes are listed below, but this list is not exhaustive.
  *
  * \since This datatype is available since SDL 3.2.0.
+ *
+ * \sa SDL_HINT_KEYCODE_OPTIONS
   }
 type
   PPSDL_Keycode = ^PSDL_Keycode;