byte-compile .el's upon saving [was Re: batch-byte-compile .gnus.el]

[Dan Jacobson]

The following message is a courtesy copy of an article
that has been posted to gnu.emacs.gnus as well.

This one is so good, perhaps it should go into various manuals:
>>>>> "A" == Andrew Swann mails me:

A> Another suggestion that might help is the following I have in my
A> .emacs.el that causes byte-compilation of elisp files on saving.  I
A> got this from the net at some point, but don't recall where.

A> (add-hook 'emacs-lisp-mode-hook
A>        '(lambda ()
A>           (make-local-hook 'after-save-hook)
A>           (add-hook 'after-save-hook
A>                     '(lambda ()
A>                        (byte-compile-file buffer-file-name)
A>                        ) nil t)
A>           ));; emacs-lisp-mode-hook