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[Orgmode] Re: Docs submitted (really #')
From: |
Robert Goldman |
Subject: |
[Orgmode] Re: Docs submitted (really #') |
Date: |
Wed, 11 Feb 2009 10:41:07 -0600 |
User-agent: |
Thunderbird 2.0.0.19 (Macintosh/20081209) |
> Date: Wed, 11 Feb 2009 09:58:43 -0500
> From: Bernt Hansen <address@hidden>
> Subject: [Orgmode] Re: Docs submitted
> To: Carsten Dominik <address@hidden>
> Cc: address@hidden, "Tom Breton \(Tehom\)" <address@hidden>
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=us-ascii
>
> Carsten Dominik <address@hidden> writes:
>
>> On Feb 11, 2009, at 2:08 AM, Tom Breton (Tehom) wrote:
>>
>>> (eval-after-load 'org
>>> '(progn
>>> ;;^--HERE.
>>> (add-to-list 'org-todo-setup-filter-hook
>>> #'org-choose-setup-filter)
>>> (add-to-list 'org-todo-get-default-hook
>>> #'org-choose-get-default-mark)
>>> (add-to-list 'org-trigger-hook
>>> #'org-choose-keep-sensible)
>>> (add-to-list 'org-todo-interpretation-widgets
>>> '(:tag "Choose (to record decisions)" choose)
>>> 'append)
>>> ))
>>>
>> Hi Tom,
>>
>> maybe you can educate me: I have never understood what the "#" does
>> in code like the one you have here. You are using it, so maybe you
>> know?
>
> As I understand it (from my book on Common Lisp) #'some-function is used
> to quote function names. 'some-function quotes a variable.
>
> It means "Get me the function with the following name" - without the #',
> Lisp would treat some-function as the name of a variable and look up the
> value of the variable, not the function.
>
In Common Lisp, #' is a reader macro that is an abbreviation for
function. So #'foo is read as (function foo).
I'm not at all sure what #' means in elisp, which is not the same
programming language. A quick peek at the Elisp info file didn't find
reader macros anywhere in there.
AFAIK for defining hooks a symbol will be interpreted as a function
name, won't it? So replacing all of the #'s with 's above would work,
wouldn't it?
Best,
r
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