1. What are the two ways we can use to quote expressions so that the code can be manipulated later?
2. In what environment does the eval function execute code?
3. How do you interpolate physical symbols into quoted expressions so that they are not misinterpreted as source code?
4. What is the naming convention for a macro that defines nonstandard string literals?

5. When do you use the esc function?
6. How are generated functions different from macros?
7. How do you debug macros?