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Common Lisp and Unicode

Table of Contents

• 1. Standards Documents
  • 1.1. ANSI Common Lisp
  • 1.2. Common Lisp HyperSpec™ (CLHS)
  • 1.3. The Unicode® Standard
• 2. Text in Common Lisp

1. Standards Documents

1.1. ANSI Common Lisp

• INCITS 226-1994 (R1999) (formerly ANSI X3.226:1994)

• Only available behind paywall:

  • PDF and printed https://www.techstreet.com/standards/incits-226-1994-r1999?product_id=56214

  • PDF https://webstore.ansi.org/Standards/INCITS/INCITS2261994S2008

1.2. Common Lisp HyperSpec™ (CLHS)

The Common Lisp HyperSpec™ is the acclaimed online version of the ANSI Common Lisp Standard, suitable for LispWorks users. The HyperSpec is derived from the official standard with permission from ANSI and NCITS (previously known as X3). It contains the full text of the ANSI standard and ancillary information.

— LispWorks Ltd.

• Available for free, online and download, but not for redistribution.

• Info: https://www.lispworks.com/documentation/HyperSpec/

• Start here: http://www.lispworks.com/documentation/HyperSpec/Front/index.htm

• Mirror: http://clhs.lisp.se/

1.3. The Unicode® Standard

• Available for free, online and download.

• http://www.unicode.org/versions/Unicode13.0.0/

• Print-on-Demand (POD) for purchase: Volume 1 and Volume 2

2. Text in Common Lisp

In Common Lisp text is represented as strings of CL:CHARACTER objects. The type CL:STRING is an alias for (vector character).

All implementations must at least support 96 Standard Characters.

Standard Characters

non-graphic	Newline Space
upper-case	A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
lower-case	a b c d e f g h i j k l m n o p q r s t u v w x y z
digit	0 1 2 3 4 5 6 7 8 9
special	! \ " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ` ^ _ { | } ~

The non-graphic characters have names.