Here follows what the Emacs debugger said when I did a simple
"load-library mm-uu":
Debugger entered--Lisp error: (void-variable message-mark-insert-begin)
byte-code("���������������!P�� !P�BBB�BBBBBBBBBBBBB�"
[message-mark-insert-begin message-mark-insert-end (postscript "^%!PS-"
"^%%EOF$" mm-uu-postscript-extract nil) (uu "^begin[ ]+0?[0-7][0-7][0-7][
]+" "^end[ ]*$" mm-uu-uu-extract mm-uu-uu-filename) (binhex
"^:...............................................................$" ":$"
mm-uu-binhex-extract nil mm-uu-binhex-filename) (yenc
"^=ybegin.*size=[0-9]+.*name=.*$" "^=yend.*size=[0-9]+" mm-uu-yenc-extract
mm-uu-yenc-filename) (shar "^#! */bin/sh" "^exit 0$" mm-uu-shar-extract)
(forward "^-+ \\(Start of \\)?Forwarded message" "^-+ End \\(of \\)?forwarded
message" mm-uu-forward-extract nil mm-uu-forward-test) (gnatsweb
"^----gnatsweb-attachment----" nil mm-uu-gnatsweb-extract) (pgp-signed
"^-----BEGIN PGP SIGNED MESSAGE-----" "^-----END PGP SIGNATURE-----"
mm-uu-pgp-signed-extract nil nil) (pgp-encrypted "^-----BEGIN PGP MESSAGE-----"
"^-----END PGP MESSAGE-----" mm-uu-pgp-encrypted-extract nil nil) (pgp-key
"^-----BEGIN PGP PUBLIC KEY BLOCK-----" "^-----END PGP PUBLIC KEY BLOCK-----"
mm-uu-pgp-key-extract mm-uu-gpg-key-skip-to-last nil) (emacs-sources "^;;;?[
]*[^ ]+\\.el[ ]*--" "^;;;?[ ]*\\([^ ]+\\.el\\)[ ]+ends
here" mm-uu-emacs-sources-extract nil mm-uu-emacs-sources-test) (diff "^Index:
" nil mm-uu-diff-extract nil mm-uu-diff-test) message-marks "^" regexp-quote
((lambda nil ...) nil) ((insert-marks "^
*\\(-\\|_\\)\\{30,\\}.*[a-z8<].*\\(-\\|_\\)\\{30,\\} *$" "^
*\\(-\\|_\\)\\{30,\\}.*[a-z8<].*\\(-\\|_\\)\\{30,\\} *$" ... nil)
(verbatim-marks "^#v\\+" "^#v\\-$" ... nil) (LaTeX "^\\\\documentclass"
"^\\\\end{document}" mm-uu-latex-extract nil mm-uu-latex-test))] 17)
(defvar mm-uu-type-alist (byte-code "���������������!P��
!P�BBB�BBBBBBBBBBBBB�" [message-mark-insert-begin message-mark-insert-end ...
... ... ... ... ... ... ... ... ... ... ... message-marks "^" regexp-quote ...
...] 17) ("/usr/share/emacs21/site-lisp/gnus/mm-uu.elc" . 3159))
load("mm-uu")
load-library("mm-uu")
* call-interactively(load-library)
execute-extended-command(nil)
* call-interactively(execute-extended-command)