gistfile1.el

(defun test ()
  (let ((a 1)
        (b (+ a 2)))
    (message b)))
(test)



Debugger entered--Lisp error: (void-variable a)
  (+ a 2)
  (let ((a 1) (b ...)) (message b))
  test()
  eval((test))
  eval-last-sexp-1(nil)
  eval-last-sexp(nil)
  call-interactively(eval-last-sexp record nil)
  command-execute(eval-last-sexp record)
  smex-read-and-run(("eval-last-sexp" "describe-function" "eval-expression" "find-file" "magit-status" "auto-complete-mode" "beginning-of-line" "build-ctags" "eval-buffer" "clojure-jack-in" "ack" "describe-variable" "shell-command" "package-install" "end-of-line" "rinari-test" "describe-face" "el-get-install" "yari" "zap-to-char" "describe-key" "auto-complete" "ack-and-a-half" "package-list-packages" "rainbow-delimiters-mode" "cd" "lm" "5x5" "arp" "dbx" "dig" "erc" "ftp" "gdb" "irc" "jdb" "man" "mpc" "pdb" "pwd" "rsh" "sdb" "xdb" "yow" "calc" "diff" "dirs" "ffap" "gdba" "gnus" ...))
  smex()
  call-interactively(smex nil nil)