starting Emacs (even with -Q). Loading 2 buffers, running ediff always
results in
file-local-copy: Wrong type argument: stringp, nil
In GNU Emacs 26.0.50 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.22.10)
of 2017-04-07 built on XYZ
Repository revision: 451a0c8b6955006f5aaa8b660a9e0b935b4fa095
Windowing system distributor 'Fedora Project', version 11.0.11903000
System Description: Fedora release 25 (Twenty Five)
Recent messages:
Processing difference regions ... done
Refining difference region 1 ...
file-local-copy: Wrong type argument: stringp, nil
Refining difference region 1 ...
file-local-copy: Wrong type argument: stringp, nil
Refining difference region 1 ...
file-local-copy: Wrong type argument: stringp, nil
Refining difference region 1 ...
file-local-copy: Wrong type argument: stringp, nil
Mark set [2 times]
Configured using:
'configure --prefix=/usr/local/lib/emacs/ --sysconfdir=/etc
--enable-locallisppath=/usr/local/share/emacs/site-lisp
--libexecdir=/usr/local/lib/ --localstatedir=/usr/local/var
--enable-largefile --with-x-toolkit=gtk3 --with-sound=yes
--with-modules --with-xwidgets --without-pop
--with-file-notification=yes --enable-link-time-optimization
'CFLAGS=-march=native -ffast-math -Os''
Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND GPM DBUS GCONF GSETTINGS NOTIFY ACL
LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 MODULES XWIDGETS LIBSYSTEMD
Important settings:
value of $LANG: en_US.utf8
value of $XMODIFIERS: @im=none
locale-coding-system: utf-8-unix
Major mode: Messages
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
buffer-read-only: t
line-number-mode: t
transient-mark-mode: (only . t)
Load-path shadows:
None found.
Features:
(shadow sort mail-extr emacsbug message puny seq byte-opt subr-x gv
bytecomp byte-compile cl-extra help-mode cconv dired dired-loaddefs
format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg
epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
rfc2045 ietf-drums mm-util mail-prsvr mail-utils ediff-merg ediff-wind
ediff-diff ediff-mult ediff-help ediff-init cl-loaddefs pcase cl-lib
ediff-util ediff sh-script smie executable vc-dispatcher vc-svn
perl-mode time-date mule-util tooltip eldoc electric uniquify ediff-hook
vc-hooks lisp-float-type mwheel term/x-win x-win term/common-win x-dnd
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode elisp-mode lisp-mode prog-mode register page
menu-bar rfn-eshadow isearch timer select scroll-bar mouse jit-lock
font-lock syntax facemenu font-core term/tty-colors frame cl-generic
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite charscript
case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote dbusbind inotify
dynamic-setting system-font-setting font-render-setting xwidget-internal
move-toolbar gtk x-toolkit x multi-tty make-network-process emacs)
Memory information:
((conses 16 119611 5104)
(symbols 48 22990 1)
(miscs 40 233 165)
(strings 32 25927 5228)
(string-bytes 1 776766)
(vectors 16 16538)
(vector-slots 8 524401 4579)
(floats 8 71 140)
(intervals 56 324 0)
(buffers 976 23))