found on legacy C compilers of HP-UX, IRIX and Tru64. (Reported by roadkill, Richard Townsend, Maik Hertha and Minsik Kim)
and width clearly don't need to be signed.
and installed layouts to make maintenance simple and easy. And it also adds four new codecs; big5hkscs, euc-jis-2004, shift-jis-2004 and iso2022-jp-2004.