Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Language Reference Manual

Program elements

Single-byte character set
Alphabetic and extralingual characters
Decimal digits
Binary digits
Hexadecimal digits
Special characters
Composite symbols
Case sensitivity
Statement elements for SBCS
Identifiers
Delimiters and operators
Statements
Simple statements
Compound statements
Groups
Double-byte character set
DBCS identifiers
Statement elements for DBCS
DBCS continuation rules

This chapter describes the basic elements that are used to write a PL/I program. The elements include character sets, programmer-defined identifiers, keywords, delimiters, and statements.

PL/I supports a single-byte character set (SBCS) and a double-byte character set (DBCS).

The implementation limits for PL/I’s language elements are listed in Appendix. Limits.


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