< character > The 7-bit version of ASCII , which preceded (and is the basis for) 8-bit versions such as Latin-1 , MacASCII and later, even larger coded character sets such as Unicode .
US-ASCII is defined in Standard ANSI X3.4-1986, "US-ASCII. Coded Character Set - 7-Bit American Standard Code for Information Interchange".
(1998-10-18)