Chapter 7: Macro Quoting
7.2 Why Quoting is a Nightmare
7.4 Peeking Inside the Black Box of Quoting
Some of life’s pleasures are bittersweet. Sometimes you have to pretend to enjoy the meal that your child prepared. Sometimes your appearance in the mirror demands that you visit the gym. And sometimes you have to learn macro language quoting. It’s always nice to learn something new, but it’s not always pleasant.
7.1 Why Quoting is Necessary
All four statements below run into trouble.
%let feature = '&trait';
The intent: The macro variable should resolve despite being in single quotes. Actually, single quotes prevent all macro activity, including macro variable ...
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