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42. Yes No Yes No 11/13/09 SAS Techies 2009 Does macvar already exist in the local symbol table? Update macvar in the local symbol table with the value value . Does macvar already exist in the global symbol table? Update macvar in the global symbol table with the value value . Create macvar in the local symbol table and assign a value of value to it.
43. Yes No Yes No 11/13/09 SAS Techies 2009 Does macvar exist in the local symbol table? Retrieve the value of macvar from the local symbol table. Does macvar exist in the global symbol table? Retrieve the value of macvar from the global symbol table. Return the tokens to the word scanner. Issue a warning message to the SAS log to indicate that the reference was not resolved.