Re: New Package for GNU ELPA

["Clément Pit--Claudel" <clement.pit@gmail.com>]

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> ;; Add font lock for both macros.
> (font-lock-add-keywords
>  'emacs-lisp-mode
>  '(("(\\(define-hook-helper\\)\\_>[ \t]*\\(\\(?:\\sw\\|\\s_\\)+\\)?"
>     (1 font-lock-keyword-face)
>     (2 font-lock-constant-face nil t))
>    ("(\\(define-mode-hook-helper\\)\\_>[ \t]*\\(\\(?:\\sw\\|\\s_\\)+\\)?"
>     (1 font-lock-keyword-face)
>     (2 font-lock-constant-face nil t))))

Is there a reason why these two macros aren't highlighted properly by default? I don't think other packages do this.

On 2016-05-22 12:45, Ian Dunn wrote:
> 
> I'd like to offer my new package, hook-helpers
> (https://savannah.nongnu.org/projects/hook-helpers-el/), to GNU ELPA.
> I've already filled out copyright paperwork for Emacs.
> 
> 
> 
> Often times, I see people define a function to be used once in a hook. If they don’t do this, then it will be an anonymous function. If the anonymous function is modified, then the function can’t be removed. With a function outside of the |add-hook| call, it looks messy.
> 
> The |define-hook-helper| macro is a solution to this. Think of it as an anaphoric |add-hook|, but one that can be called many times without risking redundant hook functions. It gives a cleaner look and feel to Emacs configuration files, and could even be used in actual libraries.
> 
> The purpose of this package is to build upon add-hook and remove-hook. When you have something like the following:
> 
> (defun my/after-init-hook ()
>   (set-scroll-bar-mode nil))
> 	    
> 
> You’ve got to remember to actually add this to the after-init-hook variable. Alternatively, you can use a lambda function:
> 
> (add-hook 'after-init-hook (lambda () (set-scroll-bar-mode nil)))
> 	    
> 
> But then if you want to modify the function, it’s permanently stuck on the after-init-hook variable, and you have to deal with it. It’s not a problem for after-init-hook, which is used once, but would be a problem for a mode hook, like text-mode-hook.
> 
> Instead, hook-helpers can do the following:
> 
> (define-hook-helper after-init
>   (set-scroll-bar-mode nil))
> 	    
> 
> Which handles everything for you.
> 
> 
> 
> 


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