Code page 932
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Code page 932 (abbreviated as CP932, also known by the IANA name Windows-31J) is Microsoft's extension of Shift JIS to include NEC special characters (Row 13), NEC selection of IBM extensions (Rows 89 to 92), and IBM extensions (Rows 115 to 119). The coded character sets are JIS X0201:1997, JIS X0208:1997, and these extensions. Applications such as Notepad on Japanese edition of Windows XP perhaps mistakenly refer to Windows-31J, the OS's default encoding, as "ANSI." Windows-31J is often mistaken for Shift JIS: while similar, the distinction is significant for computer programmers wishing to avoid mojibake.
Code page 932 contains standard 7-bit ASCII codes, and Japanese characters are indicated by the high bit set to 1. Some code points in this page require a second byte, so characters use either 8 or 16 bit for encoding.
