Thank you! I think I've seen the "if" and "when" examples before, but it clicked better this time. I've read a few Lisp books and dozens of internet blog posts

Thank you! I think I've seen the "if" and "when" examples before, but it clicked better this time. I've read a few Lisp books and dozens of internet blog posts, so I know about macros and why people use them without getting the full understanding which comes with actually writing code.