SAS Macro Language: Reference

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	Changes and Enhancements
	Introduction
	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
	Function Arguments for %SYSFUNC
	Index

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