Only a handful of ISO 639-3 languages are supported by Qt. Standard Malay is not one of them. Using the macrolanguage code seems fine. Not too sure what the numerusform is for a macrolanguage, but appears that wikipedia equates MS w/ "bahasa" too
/***************************************************************************/
/* */
/* sfdriver.h */
/* */
/* High-level SFNT driver interface (specification). */
/* */
/* Copyright 1996-2001 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef __SFDRIVER_H__
#define __SFDRIVER_H__
#include <ft2build.h>
#include FT_MODULE_H
FT_BEGIN_HEADER
FT_DECLARE_MODULE( sfnt_module_class )
FT_END_HEADER
#endif /* __SFDRIVER_H__ */
/* END */