2006/02/17	v1.7	Fixed infinite loop when converting from SJIS to
			    JIS.  Reported by Takashi Ishihara
			    <henklin@gmail.com>
2004/03/04	v1.6	Fixed bug when using shorts and %h[diouxX] with
			    jprintf().
			Fixed crash on converting an empty string.
			    Reported by Nobuaki HIRABAYASHI
			    <xNobuaki.Hirabayashi@jp.sony.com>
2004/02/24	v1.5	jcode_local() now checks the OS environment
			    variable to detect Windows systems.  Suggested
			    by Kenzi NOIKE <noike@mth.biglobe.ne.jp>
2004/01/21	v1.4	Documented (in jprintf.h) lack of support of "%f"
			    in j*printf() functions.  Reported by Kenzi
			    NOIKE <noike@mth.biglobe.ne.jp>
2004/01/21		When converting SJIS half-width katakana, dakuon
			    and handakuon sequences are now converted into
			    the proper single full-width character.
2004/01/20		jcode_local() now checks the LANG and OSTYPE
			    environment variables when determining which
			    code to convert into.  Suggested by Kenzi NOIKE
			    <noike@mth.biglobe.ne.jp>
2002/09/18	v1.3	Added English comments.
2001/08/13	v1.2	Fixed infinite loop bug in SJIS->EUC conversion.
2000/12/21	v1.1	Updated E-mail address.