SAS Macro Language: Reference

Changes and Enhancements
SAS Programs and Macro Processing
Macro Variables
Macro Processing
Scope of Macro Variables
Macro Expressions
Macro Quoting
Interfaces with the Macro Facility
Storing and Reusing Macros
Macro Facility Error Messages and Debugging
Writing Efficient and Portable Macros
Macro Language Elements
Macro Language Dictionary
Reserved Words in the Macro Facility
SAS Tokens
Syntax for Selected SAS Functions Used with the %SYSFUNC Function