bug#45673: 28.0.50; Fix gnus-score-find-score-files-function example

[David Edmondson]

The example provided in the gnus manual on how to use a list of
functions as the value for gnus-score-find-score-files-function is
incorrect and results in an error when used:

Debugger entered--Lisp error: (invalid-function "all.SCORE")
  ("all.SCORE")
  (lambda (group) ("all.SCORE"))("nntp+gmane:gmane.linux.kernel")
  gnus-all-score-files()
  gnus-possibly-score-headers()
  gnus-summary-read-group-1("nntp+gmane:gmane.linux.kernel" nil t nil nil nil)
  gnus-summary-read-group("nntp+gmane:gmane.linux.kernel" nil t nil nil nil nil)
  gnus-group-read-group(nil t)
  gnus-group-select-group(nil)
  gnus-topic-select-group(nil)
  funcall-interactively(gnus-topic-select-group nil)
  call-interactively(gnus-topic-select-group nil nil)
  command-execute(gnus-topic-select-group)

A patch to fix the example in the documentation follows.




In GNU Emacs 28.0.50 (build 2, x86_64-pc-linux-gnu, X toolkit, cairo version 
1.16.0, Xaw3d scroll bars)
 of 2020-12-26 built on zarquon
Repository revision: f9264a3878ba6366aacdf80e3ebba3ba799415a6
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12010000
System Description: Debian GNU/Linux bullseye/sid

Configured using:
 'configure --with-x-toolkit=lucid'

Configured features:
XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND GPM DBUS GSETTINGS GLIB
NOTIFY INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT
LIBOTF ZLIB TOOLKIT_SCROLL_BARS LUCID X11 XDBE XIM MODULES THREADS
LIBSYSTEMD JSON PDUMPER LCMS2

Important settings:
  value of $LC_COLLATE: C
  value of $LC_TIME: C
  value of $LANG: en_GB.utf8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Magit

Minor modes in effect:
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  auto-compression-mode: t
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  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
/home/dme/.emacs.d/elpa/modus-themes-20201206.1108/modus-vivendi-theme hides 
/home/dme/.emacs.d/elpa/modus-vivendi-theme-0.12.0/modus-vivendi-theme

Features:
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url-parse auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs
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byte-compile cconv cl-loaddefs cl-lib iso-transl tooltip eldoc electric
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term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
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prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
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cyrillic chinese composite charscript charprop case-table epa-hook
jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice button
loaddefs faces cus-face macroexp files window text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote threads dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting cairo x-toolkit
x multi-tty make-network-process emacs)

Memory information:
((conses 16 871727 149050)
 (symbols 48 52856 19)
 (strings 32 229409 35548)
 (string-bytes 1 6759247)
 (vectors 16 94205)
 (vector-slots 8 1962140 219152)
 (floats 8 648 497)
 (intervals 56 17054 2466)
 (buffers 984 86))

dme.
-- 
Here I am, a rabbit-hearted girl.