options mprint mtrace mlogic symbolgen; %macro test_no_quotes(title); %if &title = %then %let title = Default title; %put SPECIAL: TITLE is "&title"; %mend; %test_no_quotes(Shoe Sales by Quarter); %test_no_quotes(Stocks and Shares Earnings); %test_no_quotes(); %macro test_quotes(title); %if "&title" = "" %then %let title = Default title; %put SPECIAL: TITLE is "&title"; %mend; %test_quotes(Shoe Sales by Quarter); %test_quotes(Stocks and Shares Earnings); %test_quotes();