Re: Meaning of the hash character

[Nikolaj Schumacher]

Nordlöw <address@hidden> wrote:

> I have long wondered about the meaning of the hash character # in
> emacs lisp.
>
> Here is an example taken from hl-line.el
> (add-hook 'change-major-mode-hook #'hl-line-unhighlight nil t)
>
> What effect does it have?

>From the manual:

We sometimes write `function' instead of `quote' when quoting the name
of a function, but this usage is just a sort of comment:

     (function SYMBOL) == (quote SYMBOL) == 'SYMBOL

The read syntax `#'' is a short-hand for using `function'.



regards,
Nikolaj Schumacher