GB/T 1988-1998 in English

《GB/T 1988-1998信息技术 信息交换用七位编码字符集》由TC28（全国信息技术标准化技术委员会）归口，TC28SC2（全国信息技术标准化技术委员会字符集与编码分会）执行，主管部门为国家标准化管理委员会。
本标准规定了由128个字符（控制字符和图形字符，如：字母、数字及符号）组成的字符集以及它们的编码表示。

Scope

This standard specifies a character set consisting of 128 characters (control characters and graphic characters, such as letters, numbers and symbols) and their coded representations. This standard specifies a code table version common to China, and also provides an international reference code table version. This character set is mainly used for information exchange between the data processing system and related equipment and within the data communication system. When determining this character set, graphic characters and control functions required in data processing are also considered. When this character set cannot meet the needs of some special applications, it allows the use of code extension control characters, the use of these control characters is specified in GB/T 2311. The definition of control characters mentioned in this standard is stipulated in GB/T 5261. It is assumed that the data related to them are processed in forward order. When they are included in data strings that are not processed in forward order, or contain May have undesired effects when in formatted data for fixed record processing, or may require additional specific processing in order to guarantee that they produce the intended functionality.