From: Sebastian Tennant <sebyte@smolny.plus.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Macro used for dynamic setting of font-lock-keywords
Date: Sun, 03 Jun 2007 12:39:48 +0300 [thread overview]
Message-ID: <874plpml5n.fsf@moley.org> (raw)
In-Reply-To: f3qosp$eib$1@sea.gmane.org
Quoth Kevin Rodgers <kevin.d.rodgers@gmail.com>:
> Sebastian Tennant wrote:
>> Quoth Xavier Maillard <xma@gnu.org>:
>>> Hi,
>>>
>>> seem to get used as often as it probably should. I've seen people post 20+
>>> lines of elisp to this list to do something which could be achieved more
>>> reliably with 4 or five lines of defadvice.
>>>
>>> Advice is considered as *dangerous* and not to be used extensively.
>>>
>> Indeed this is what I've been lead to believe. I think RMS' position
>> on defadvice, which confirms this, is knocking about somewhere.
>
> I think RMS' position is that defadvice should not be used within Emacs
> itself. But the inclusion of defadvice.el in Emacs is tacit
> acknowledgement of its usefulness: When there is no variable or hook
> function that the user can customize to achieve some new behavior,
> defadvice allows you to modify the behavior of a function _without
> duplicating its original definition in its entirety_. Thus you can
> write a very small piece of code that is *more* likely to continue
> to work over time, even as the implementation of the underlying function
> evolves within Emacs, and in conjunction with other customizations of
> the function. That makes it *less* dangerous than the naive approach of
> copy-and-paste.
Ah. Everything is illuminated.
Many thanks.
Sebastian
next prev parent reply other threads:[~2007-06-03 9:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.1240.1180113798.32220.help-gnu-emacs@gnu.org>
2007-05-26 8:20 ` Macro used for dynamic setting of font-lock-keywords Tim X
2007-05-26 10:40 ` Sebastian Tennant
[not found] ` <mailman.1274.1180175941.32220.help-gnu-emacs@gnu.org>
2007-05-26 15:23 ` Tim X
2007-05-26 20:07 ` Sebastian Tennant
2007-06-02 3:29 ` Kevin Rodgers
[not found] ` <mailman.1303.1180209955.32220.help-gnu-emacs@gnu.org>
2007-05-27 3:30 ` Tim X
2007-05-27 21:45 ` Xavier Maillard
2007-05-28 9:22 ` Sebastian Tennant
2007-06-02 3:41 ` Kevin Rodgers
2007-06-02 7:26 ` Eli Zaretskii
2007-06-03 9:39 ` Sebastian Tennant [this message]
[not found] ` <mailman.1339.1180303291.32220.help-gnu-emacs@gnu.org>
2007-05-28 8:37 ` Tim X
2007-06-10 0:51 ` Stefan Monnier
2007-05-25 17:24 Sebastian Tennant
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