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From: | Xue Fuqiao |
Subject: | Re: /srv/bzr/emacs/trunk r112347: * doc/lispintro/emacs-lisp-intro.texi (defcustom, defun, simplified-beginning-of-buffer, defvar, Building Robots, Review, save-excursion): `defun' and `defcustom' are now macros rather than special forms. (Bug#13853) |
Date: | Tue, 23 Apr 2013 08:47:18 +0800 |
On Tue, Apr 23, 2013 at 1:02 AM, Glenn Morris <address@hidden> wrote: >> Maybe we can add this sentence to (info "(eintr) defun") or (info >> "(eintr) Complications"), then add a cross reference to (info "(eintr) >> Lisp macro"): >> >> "Macro" is a construct defined in Lisp, which differs from a function in >> that it translates a Lisp expression into another expression which is to >> be evaluated instead of the original expression. > > I think a few sentences in "Complications" after the bit about special > forms with a link to the "Lisp macro" section of eintr is indeed all > that is needed. Personally I would say something about it acting like a > function for our [ie, the elisp-intro's] purposes. > >>>> -(Another special form, @code{defcustom}, is designed for variables >>>> -that people customize. It has more features than @code{defvar}. >>>> -(@xref{defcustom, , Setting Variables with @code{defcustom}}.) >>> >>> Why was this removed? It could have been simply changed to "Another >>> function,... ". The reference to defcustom is the important thing, not >>> the details of whether it is a special form or macro. >> >> Maybe "another macro"? > > For the purposes of the elisp-intro, I have no problem saying a macro is > a function. You call it with arguments and it does stuff. "Another > macro" is wrong because defvar is not a macro. If you want to say macro > rather than function, you need to rewored it a bit more. Eg: > > There is a related macro, @code{defcustom}, designed for variables > that people customize. It has more features than @code{defvar}. > (@xref{defcustom, , Setting Variables with @code{defcustom}}.) Done as r112355, thanks. -- Best regards, Xue Fuqiao. http://www.gnu.org/software/emacs/
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