bad aux config?

.dir-locals.el

@@ -0,0 +1,14 @@
+((nil . ((tab-width . 8)
+         (sentence-end-double-space . t)
+         (fill-column . 70)))
+ (c-mode . ((c-file-style . "GNU")
+            (c-noise-macro-names . ("UNINIT"))))
+ (objc-mode . ((c-file-style . "GNU")))
+ (log-edit-mode . ((log-edit-font-lock-gnu-style . t)
+                   (log-edit-setup-add-author . t)))
+ (change-log-mode . ((add-log-time-zone-rule . t)
+		     (fill-column . 74)
+		     (bug-reference-url-format . "http://debbugs.gnu.org/%s")
+		     (mode . bug-reference)))
+ (diff-mode . ((mode . whitespace)))
+ (emacs-lisp-mode . ((indent-tabs-mode . nil))))

.gitattributes

@@ -0,0 +1,101 @@
+# Attributes of Emacs files in the Git repository.
+
+# Copyright 2015-2017 Free Software Foundation, Inc.
+
+# This file is part of GNU Emacs.
+
+# GNU Emacs is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# GNU Emacs is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+
+# A few files use CRLF endings, even on non-Microsoft platforms.
+# Do not warn about trailing whitespace with these files.
+*.bat whitespace=cr-at-eol
+admin/charsets/mapfiles/PTCP154 whitespace=cr-at-eol
+leim/MISC-DIC/cangjie-table.b5 whitespace=cr-at-eol
+leim/MISC-DIC/cangjie-table.cns whitespace=cr-at-eol
+leim/MISC-DIC/pinyin.map whitespace=cr-at-eol
+test/manual/etags/c-src/dostorture.c whitespace=cr-at-eol
+test/manual/etags/cp-src/c.C whitespace=cr-at-eol
+test/manual/etags/html-src/algrthms.html whitespace=cr-at-eol
+
+# The todo-mode file format includes trailing whitespace.
+*.tod[aorty] -whitespace=blank-at-eol
+
+# The upstream maintainer does not want to remove trailing whitespace.
+doc/misc/texinfo.tex -whitespace=blank-at-eol
+
+# Some files should not be treated as text when diffing or merging.
+*.cur binary
+*.gpg binary
+*.gz binary
+*.icns binary
+*.ico binary
+*.pbm binary
+*.pdf binary
+*.pif binary
+*.png binary
+*.sig binary
+*.tiff binary
+etc/e/eterm-color binary
+
+# Git's builtin diff hunk header styles.
+*.ad[abs] diff=ada
+*.[Cch] diff=cpp
+*.cc diff=cpp
+*.[ch]pp diff=cpp
+*.hh diff=cpp
+*.for diff=fortran
+*.html diff=html
+*.shtml diff=html
+*.xml diff=html
+*.java diff=java
+*.[HMm] diff=objc
+*.pas diff=pascal
+*.perl diff=perl
+*.pl diff=perl
+*.php diff=php
+*.py diff=python
+*.rb diff=ruby
+*.tex diff=tex
+
+# Hooks for non-default diff hunk headers; see autogen.sh.
+*.el diff=elisp
+*.ac diff=m4
+*.m4 diff=m4
+*.mk diff=make
+*[Mm]akefile diff=make
+Makefile.in diff=make
+*[-.]sh diff=shell
+*.texi diff=texinfo
+#
+# Diff hunk header special-case file names.
+admin/build-configs diff=perl
+admin/charsets/mapconv diff=shell
+admin/diff-tar-files diff=shell
+admin/make-emacs diff=perl
+admin/merge-gnulib diff=shell
+admin/merge-pkg-config diff=shell
+admin/quick-install-emacs diff=shell
+admin/update-copyright diff=shell
+admin/update_autogen diff=shell
+build-aux/config.guess diff=shell
+build-aux/config.sub diff=shell
+build-aux/git-hooks/commit-msg diff=shell
+build-aux/git-hooks/pre-commit diff=shell
+build-aux/gitlog-to-emacslog diff=shell
+build-aux/make-info-dir diff=shell
+build-aux/move-if-change diff=shell
+build-aux/msys-to-w32 diff=shell
+build-aux/update-subdirs diff=shell
+lib-src/rcs2log diff=shell
+/make-dist diff=shell