GNU Info

(emacs-lisp-intro.info)Error Message Exercises

---

Prev: Summary Up: List Processing

---

Enter node , (file) or (file)node

Exercises
=========

   A few simple exercises:

   * Generate an error message by evaluating an appropriate symbol that
     is not within parentheses.

   * Generate an error message by evaluating an appropriate symbol that
     is between parentheses.

   * Create a counter that increments by two rather than one.

   * Write an expression that prints a message in the echo area when
     evaluated.