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## 12. Standards

### 12.1. Scheme standards

IEEE Standard 1178-1990, "IEEE Standard for the Scheme Programming Language", IEEE, 1991. ISBN 1-55937-125-0. May be ordered from IEEE by calling 1-800-678-IEEE or 908-981-1393 or writing IEEE Service Center, 445 Hoes Lane, P.O. Box 1331, Piscataway, NJ 08855-1331, and using order number SH14209.

Richard Kelsey, William Clinger, and Jonathan Rees [editors]. Revised^5 Report on the Algorithmic Language Scheme. Journal of Higher Order and Symbolic Computation, 11(1), 1998, pages 7-105. Also appears in ACM SIGPLAN Notices 33(9), September 1998. Available online in various formats.

Michael Sperber, R Kent Dybvig, Matthew Flatt, and Anton van Straaten [editors]. Revised^6 Report on the Algorithmic Language Scheme.

Various SchemePunks [editors]. ERR5RS is under construction.

### 12.2. Other relevant standards

IEEE Standard 754-1985, "IEEE Standard for Binary Floating-Point Arithmetic", IEEE, 1985.

A revision of IEEE Std 754-1985 has been underway since 2000. The IEEE Microprocessor Standards Committee (MSC) accepted a candidate draft on 9 October 2006. The candidate draft 1.2.6 was approved by 79% of 70 votes, which exceeded the required supermajority of 75%. Because there were negative votes and several hundred comments, however, a revised draft 1.3.0 was prepared and approved by 84% of 73 votes. Since there were over a hundred comments on the second candidate draft as well, a third candidate draft 1.4.0 was prepared and another vote taken in April 2007. After a total of eight ballots, with the last four being approved by more than 90% of the voters, the Ballot Review Committee decided in May 2008 that maximum possible timely consensus has been obtained, and the consensus draft was submitted to IEEE-SA RevCom. IEEE-754r was approved on 12 June 2008.

The Unicode Consortium. The Unicode 5.0 Standard. Addison-Wesley Professional, 2006.

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