* lpath.el: Fbind string-as-multibyte for XEmacs.

* lpath.el: Fbind string-as-multibyte for XEmacs.

* mml1991.el (mml1991-pgg-sign): No need to load pgg.el, which is always loaded
 by way of gnus-art.el -> mm-uu.el -> mml2015.el.
(mml1991-pgg-encrypt): Ditto.

* pgg-gpg.el (pgg-string-to-multibyte): New function.
(pgg-gpg-process-sentinel): Make sure pgg-output-buffer is always a multibyte
 buffer.

* pgg-pgp.el (pgg-pgp-process-region): Ditto.
(pgg-pgp-lookup-key): Ditto.

* pgg-pgp5.el (pgg-pgp5-process-region): Ditto.
(pgg-pgp5-lookup-key): Ditto.

* pgg.el (pgg-fetch-key): Ditto.