[Fwd: Bug#428898: emacs22-gtk: bogus "Local variables entry is missing the prefix" complaint]

[Fwd: Bug#428898: emacs22-gtk: bogus "Local variables entry is missing the prefix" complaint]

[Sven Joachim]

The following report was sent to the Debian Bug Tracking System.  I can
verify that the error still happens, at least in the Emacs 22 branch.
Can somebody debug this failure?  It seems to have to do with
c-postprocess-file-styles, but I was not able to dig any further.


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Subject: Bug#428898: emacs22-gtk: bogus "Local variables entry is missing the prefix" complaint
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Package: emacs22-gtk
Version: 22.0.99+1-1
Severity: normal

I am working on a project that has this local variables block
at the end of every file:

// Local Variables:
// mode: C++
// fill-column: 76
// c-file-style: "gnu"
// indent-tabs-mode: nil
// End:
// vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s:

emacs21 and emacs-snapshot were perfectly fine with this, but emacs22
complains:

File local-variables error: (error "Local variables entry is missing the prefix")

every time I visit such a file.  I looked at files.el and could not
figure out why.

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.21-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages emacs22-gtk depends on:
ii  emacs22-bin-common        22.0.99+1-1    The GNU Emacs editor's shared, arc
ii  libasound2                1.0.14a-1      ALSA library
ii  libatk1.0-0               1.18.0-2       The ATK accessibility toolkit
ii  libc6                     2.5-11         GNU C Library: Shared libraries
ii  libcairo2                 1.4.6-1.1      The Cairo 2D vector graphics libra
ii  libfontconfig1            2.4.2-1.2      generic font configuration library
ii  libglib2.0-0              2.12.12-1      The GLib library of C routines
ii  libgtk2.0-0               2.10.13-1      The GTK+ graphical user interface 
ii  libice6                   1:1.0.3-2      X11 Inter-Client Exchange library
ii  libjpeg62                 6b-13          The Independent JPEG Group's JPEG 
ii  libncurses5               5.6-3          Shared libraries for terminal hand
ii  libpango1.0-0             1.16.4-1       Layout and rendering of internatio
ii  libpng12-0                1.2.15~beta5-2 PNG library - runtime
ii  libsm6                    2:1.0.3-1      X11 Session Management library
ii  libtiff4                  3.8.2-7        Tag Image File Format (TIFF) libra
ii  libungif4g                4.1.4-5        shared library for GIF images
ii  libx11-6                  2:1.0.3-7      X11 client-side library
ii  libxcursor1               1:1.1.8-2      X cursor management library
ii  libxext6                  1:1.0.3-2      X11 miscellaneous extension librar
ii  libxfixes3                1:4.0.3-2      X11 miscellaneous 'fixes' extensio
ii  libxft2                   2.1.12-2       FreeType-based font drawing librar
ii  libxi6                    1:1.0.1-4      X11 Input extension library
ii  libxinerama1              1:1.0.2-1      X11 Xinerama extension library
ii  libxpm4                   1:3.5.6-3      X11 pixmap library
ii  libxrandr2                2:1.2.1-1      X11 RandR extension library
ii  libxrender1               1:0.9.2-1      X Rendering Extension client libra
ii  zlib1g                    1:1.2.3-15     compression library - runtime

emacs22-gtk recommends no packages.

-- no debconf information

Re: [Fwd: Bug#428898: emacs22-gtk: bogus "Local variables entry is missing the prefix" complaint]

[martin rudalics]

 > I am working on a project that has this local variables block
 > at the end of every file:
 >
 > // Local Variables:
 > // mode: C++
 > // fill-column: 76
 > // c-file-style: "gnu"
 > // indent-tabs-mode: nil
 > // End:
 > // vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s:
 >
 > emacs21 and emacs-snapshot were perfectly fine with this, but emacs22
 > complains:
 >
 > File local-variables error: (error "Local variables entry is missing the prefix")
 >
 > every time I visit such a file.  I looked at files.el and could not
 > figure out why.

It's because `c-remove-any-local-eval-or-mode-variables' doesn't remove
the newline.  Alan?

Re: [Fwd: Bug#428898: emacs22-gtk: bogus "Local variables entry is missing the prefix" complaint]

[Alan Mackenzie]

Hi, Martin, Hi, Sven!

On Fri, Jun 15, 2007 at 07:34:34PM +0200, martin rudalics wrote:
>  > I am working on a project that has this local variables block
>  > at the end of every file:

>  > // Local Variables:
>  > // mode: C++
>  > // fill-column: 76
>  > // c-file-style: "gnu"
>  > // indent-tabs-mode: nil
>  > // End:
>  > // vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s:

>  > emacs21 and emacs-snapshot were perfectly fine with this, but emacs22
>  > complains:

Strange: Maybe hack-local-variables has changed recently.

>  > File local-variables error: (error "Local variables entry is missing the prefix")

>  > every time I visit such a file.  I looked at files.el and could not
>  > figure out why.

> It's because `c-remove-any-local-eval-or-mode-variables' doesn't remove
> the newline.  Alan?

Thanks, Martin!  It's a trivial fix (i.e. it's likely to cause a
firkin[*] load of trouble ;-).  I'll get a patch in soon, but now
tonight.

[*] i.e. a fair amount, but less than a barrel load.  A firkin (eight
gallons) is a quarter of a barrel, (_fir_kin, like "viertel").  And, of
course a gallon is 8 pints, or 4 quarts.  Half of a pint was known as a
chopin, a most musical quantity of beer.  It all came from sensible times
when we had binary and hexadecimal units for fluid measures in England,
which ended when those Europeans descended upon us and imposed things
like litres.  ;-).  It's all explained in one of Donald Knuth's books.

-- 
Alan Mackenzie (Ittersbach, Germany).

Re: [Fwd: Bug#428898: emacs22-gtk: bogus "Local variables entry is missing the prefix" complaint]

[Alan Mackenzie]

Hi, Sven and Martin!

On Fri, Jun 15, 2007 at 07:34:34PM +0200, martin rudalics wrote:
>  > I am working on a project that has this local variables block
>  > at the end of every file:

>  > // Local Variables:
>  > // mode: C++
>  > // fill-column: 76
>  > // c-file-style: "gnu"
>  > // indent-tabs-mode: nil
>  > // End:
>  > // vim: et:sw=2:sts=2:ts=2:cino=>2s,{s,\:s,+s,t0,g0,^-2,e-2,n-2,p2s,(0,=s:

>  > emacs21 and emacs-snapshot were perfectly fine with this, but emacs22
>  > complains:

>  > File local-variables error: (error "Local variables entry is missing the prefix")

>  > every time I visit such a file.  I looked at files.el and could not
>  > figure out why.

> It's because `c-remove-any-local-eval-or-mode-variables' doesn't remove
> the newline.  Alan?

It's been fixed in the Emacs EMACS_BASE_22 branch and the trunk.  Thanks
for reporting the bug!

-- 
Alan.