Re: A programming puzzle with buffer-local hooks

[Stefan Monnier]

> The usual trick is to make the hook buffer local.

Can't work because the focus events don't care about the current-buffer.

> I can think of two other tricks: reference counting (every time the
> mode is disabled, check whether it's enabled anywhere else), and never
> removing the hook.

Before removing the hook, check if there's still a buffer where the mode
is activated.


        Stefan