From: Carlos Ungil <Carlos.Ungil@cern.ch>
Subject: nested backquotes
Date: Wed, 24 Sep 2003 16:03:41 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.44.0309241544110.19785-100000@lxplus080.cern.ch> (raw)
Hello,
I've found (what I think it is) a bug when using nested backquotes.
What follows has been executed using "emacs --no-init".
I understand that the first test is giving the right result, and that
in the other cases there is a problem with the backquotes.
Maybe the reason it works in windows is because I'm
using a more recent version (21.3.50, compared to 21.2.1 in linux
and solaris), and the bug has indeed been fixed already, but I've
found no references to this bug in emacs newsgroups, or in the
PROBLEMS file (and the file backquote.el has not been changed, but
maybe the origin of the bug was somewhere else).
Regards,
Carlos Ungil
-----
(emacs-version)
=>"GNU Emacs 21.3.50.1 (i386-mingw-nt5.1.2600) of 2003-08-21 on MIDASPSE17"
(defmacro test ()
``(a ,b ,,c))
=>test
(let ((a 1) (b 2) (c 3))
(macroexpand (macroexpand '(test))))
=>(list (quote a) b 3)
-----
(emacs-version)
=>"GNU Emacs 21.2.1 (sparc-sun-solaris2.9, X toolkit, Xaw3d scroll bars) of 2003-05-19 on watford-71"
(defmacro test ()
``(a ,b ,,c))
=>test
(let ((a 1) (b 2) (c 3))
(macroexpand (macroexpand '(test))))
=>(list (quote a) b \,c)
-----
(emacs-version)
=>"GNU Emacs 21.2.1 (i386-redhat-linux-gnu, X toolkit, Xaw3d scroll bars) of 2002-04-09 on porky.devel.redhat.com"
(defmacro test ()
``(a ,b ,,c))
=>test
(let ((a 1) (b 2) (c 3))
(macroexpand (macroexpand '(test))))
=>(list (quote a) b \,c)
next reply other threads:[~2003-09-24 14:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-24 14:03 Carlos Ungil [this message]
2003-09-24 14:22 ` nested backquotes Carlos Ungil
-- strict thread matches above, loose matches on Subject: below --
2005-05-18 15:13 Matthieu Moy
2005-05-18 15:50 ` rgb
2005-05-18 16:19 ` Matthieu Moy
2005-05-18 18:21 ` Thierry Emery
2005-05-20 15:16 ` Stefan Monnier
2005-05-20 15:24 ` Stefan Monnier
2005-05-20 16:05 ` Matthieu Moy
2005-05-20 20:25 ` Stefan Monnier
2005-05-21 9:51 ` Matthieu Moy
2005-05-21 10:02 ` Matthieu Moy
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