Integrated cross-reference and listing facility. Ability to detect and report multiple errors on a source line. Multiple file compilation from the DCL level. Compiler able to access files using system logical names. 31 character alphanumeric statement labels.
Explicit declarations provide access to many data types.
Most program lines do not need line numbers. IF conditional blocks. Language Subsets and Subset Flaggers. Allow radix specifiers on decimal, binary, octal, hexadecimal, and RAD-50 literals. File Organizations and Access Methods.