Re: line length control setting

[Jesper Harder <harder@myrealbox.com>]

Adam Hardy <emacs@cyberspaceroad.com> writes:

> I am using a brute force method of stopping myself from writing long
> lines of code, using this in my .emacs:
>
> (defun my-dont-insert-after-fill-column (&rest x)
>    (when (> (current-column)
>             fill-column)
>      (delete-char -1)
>      (beep)))
>
> (add-hook 'after-change-functions 'my-dont-insert-after-fill-column)
>
> But I discovered this is also acting on the command buffer, so I
> cannot add more than my fill column when doing simple file copies or
> renames or text search & replaces.

Have you considered using `auto-fill-mode' instead?  This also works
quite well in programming-language modes.