Daiki Ueno <ueno@unixuser.org> writes:

[...]

> Well, then how about mm-replace-in-string?  Is mm-util.elc correctly
> located under /usr/local/share/emacs/24.0.50/lisp/gnus/ or such?

Seems this is the issue:

mm-replace-in-string is an alias for `replace-in-string' in
`mm-util.el'.

(mm-replace-in-string TARGET OLD NEW)

However, mm-util.elc is under /usr/share/emacs/24.0.50/lisp/gnus/.

> I mean, mm-replace-in-string seems not working for you.  Could you try:
> (mm-replace-in-string "\ntest encrypt.\n" "\n" "\n" t)

So this is annoying --- seems the "&optional literal" is ignored.

-- 
Carl Lei (XeCycle)
Department of Physics, Shanghai Jiao Tong University
OpenPGP public key: 7795E591
Fingerprint: 1FB6 7F1F D45D F681 C845 27F7 8D71 8EC4 7795 E591