GNU bug report logs - #25008
26.0.50; hack-local-variables error

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Mark Oteiza <mvoteiza <at> udel.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.0.50; hack-local-variables error
Date: Wed, 23 Nov 2016 12:33:50 -0500

From -Q:

1. C-x b *foobar*
2. Insert

  # foobar -*- conf -*-

3. M-: (hack-local-variables)

Debugger entered--Lisp error: (wrong-type-argument listp conf-mode)
  hack-local-variables-filter(conf-mode nil)
  hack-local-variables()
  eval((hack-local-variables) nil)
  eval-expression((hack-local-variables) nil)
  funcall-interactively(eval-expression (hack-local-variables) nil)
  call-interactively(eval-expression nil nil)
  command-execute(eval-expression)

I suspect it has to do with
http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=4a80c8bb276d

In GNU Emacs 26.0.50.1 (x86_64-unknown-linux-gnu, X toolkit, Xaw scroll bars)
 of 2016-11-22 built on logos
Repository revision: c542fab20f53374dd0c71dce949ef370fc76fa48

Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --without-gconf --with-modules
 --with-x-toolkit=lucid 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe
 -fstack-protector-strong --param=ssp-buffer-size=4 -g
 -fvar-tracking-assignments -g -fvar-tracking-assignments'
 CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro'

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY
ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS
LUCID X11 MODULES LIBSYSTEMD

Message #8 received at 25008 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Mark Oteiza <mvoteiza <at> udel.edu>
Cc: 25008 <at> debbugs.gnu.org
Subject: Re: bug#25008: 26.0.50; hack-local-variables error
Date: Thu, 24 Nov 2016 20:45:44 +0000

Hello, Mark.

On Wed, Nov 23, 2016 at 12:33:50PM -0500, Mark Oteiza wrote:

> >From -Q:

> 1. C-x b *foobar*
> 2. Insert

>   # foobar -*- conf -*-

> 3. M-: (hack-local-variables)

> Debugger entered--Lisp error: (wrong-type-argument listp conf-mode)
>   hack-local-variables-filter(conf-mode nil)
>   hack-local-variables()
>   eval((hack-local-variables) nil)
>   eval-expression((hack-local-variables) nil)
>   funcall-interactively(eval-expression (hack-local-variables) nil)
>   call-interactively(eval-expression nil nil)
>   command-execute(eval-expression)

> I suspect it has to do with
> http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=4a80c8bb276d

> In GNU Emacs 26.0.50.1 (x86_64-unknown-linux-gnu, X toolkit, Xaw scroll bars)
>  of 2016-11-22 built on logos
> Repository revision: c542fab20f53374dd0c71dce949ef370fc76fa48

[ .... ].

Yes, correct in every respect.  :-)  In that commit you refer to, I
misunderstood an undocumented feature/bug in the handling of a bare mode
(without the string "mode:") in the first line.

I've committed a fix to this in the master branch, and I'd be grateful
if you would test it and either confirm to me it's OK, or tell me what's
still wrong.

Thanks!

-- 
Alan Mackenzie (Nuremberg, Germany).

Message #13 received at 25008-done <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: 25008-done <at> debbugs.gnu.org
Subject: Re: bug#25008: 26.0.50; hack-local-variables error
Date: Thu, 29 Dec 2016 09:42:18 +0000

Bug fixed.

-- 
Alan Mackenzie (Nuremberg, Germany).

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