Debugger entered--Lisp error: (void-function find-library-name)
(find-library-name "ruby-mode")
eval((find-library-name "ruby-mode") nil)
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" "esk-eval-and-replace" "package-list-packages" "package-install" "cd" "df" "5x5" "ecb-activate" "all" "arp" "dbx" "dig" "erc" "ert" "ftp" "gdb" "irc" "jdb" "man" "mpc" "pdb" "pwd" "rsh" "sdb" "tld" "xdb" "yow" "calc" "diff" "ffap" "ffip" "gnus" "grep" "help" "ielm" "info" "life" "mail" "mpuz" "ping" "pong" "rake" "smex" "talk" "term" "undo" "yank" "zone" "align" "bruce" ...))
smex()
call-interactively(smex nil nil)