bug#29260: 25.2; Bat mode: underscore in variable names

[Christophe Troestler]

In Bat mode, variable names with underscore are supported¹ and should be taken 
into account for the syntax highlighting.


¹ https://technet.microsoft.com/en-us/library/bb490998.aspx



In GNU Emacs 25.2.2 (x86_64-pc-linux-gnu, GTK+ Version 3.22.20)
 of 2017-09-12, modified by Debian built on trouble
Windowing system distributor 'The X.Org Foundation', version 11.0.11905000
System Description:     Debian GNU/Linux testing (buster)

Configured using:
 'configure --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/lib
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-pop=yes
 
--enable-locallisppath=/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.2/site-lisp:/usr/share/emacs/site-lisp
 --with-sound=alsa --without-gconf --build x86_64-linux-gnu
 --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-pop=yes
 
--enable-locallisppath=/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.2/site-lisp:/usr/share/emacs/site-lisp
 --with-sound=alsa --without-gconf --with-x=yes --with-x-toolkit=gtk3
 --with-toolkit-scroll-bars 'CFLAGS=-g -O2
 -fdebug-prefix-map=/build/emacs25-XrMyQe/emacs25-25.2+1=. 
-fstack-protector-strong
 -Wformat -Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time
 -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY
ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11

Important settings:
  value of $LC_MESSAGES: en_US.UTF-8
  value of $LC_NUMERIC: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: mu4e-headers

Minor modes in effect:
  csv-field-index-mode: t
  TeX-PDF-mode: t
  diff-auto-refine-mode: t
  magit-auto-revert-mode: t
  global-git-commit-mode: t
  async-bytecomp-package-mode: t
  shell-dirtrack-mode: t
  erc-list-mode: t
  erc-menu-mode: t
  erc-autojoin-mode: t
  erc-ring-mode: t
  erc-networks-mode: t
  erc-pcomplete-mode: t
  erc-track-mode: t
  erc-match-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-netsplit-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-move-to-prompt-mode: t
  erc-readonly-mode: t
  desktop-save-mode: t
  hl-line-mode: t
  show-paren-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent messages:
Are you sure you want to execute 1 mark? (y or n) y
Updating speedbar to: /home/trch/software/OCaml/windows/appveyor/...done
Type "q" in help window to restore its previous buffer, C-M-v to scroll help.
You can run the command ‘describe-mode’ with C-h m
Type "q" in help window to restore its previous buffer, C-M-v to scroll help.
uncompressing bat-mode.el.gz...done
Note: file is write protected
Updating speedbar to: /usr/share/emacs/25.2/lisp/progmodes/...done
scroll-down-command: Beginning of buffer
Making completion list... [2 times]

Load-path shadows:
/home/trch/software/mu/mu4e/mu4e-headers hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-headers
/home/trch/software/mu/mu4e/mu4e-contrib hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-contrib
/home/trch/software/mu/mu4e/mu4e-context hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-context
/home/trch/software/mu/mu4e/mu4e-message hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-message
/home/trch/software/mu/mu4e/org-old-mu4e hides 
/usr/share/emacs25/site-lisp/mu4e/org-old-mu4e
/home/trch/software/mu/mu4e/mu4e hides /usr/share/emacs25/site-lisp/mu4e/mu4e
/home/trch/software/mu/mu4e/mu4e-mark hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-mark
/home/trch/software/mu/mu4e/mu4e-compose hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-compose
/home/trch/software/mu/mu4e/mu4e-draft hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-draft
/home/trch/software/mu/mu4e/mu4e-lists hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-lists
/home/trch/software/mu/mu4e/mu4e-meta hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-meta
/home/trch/software/mu/mu4e/mu4e-view hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-view
/home/trch/software/mu/mu4e/mu4e-speedbar hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-speedbar
/home/trch/software/mu/mu4e/mu4e-vars hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-vars
/home/trch/software/mu/mu4e/org-mu4e hides 
/usr/share/emacs25/site-lisp/mu4e/org-mu4e
/home/trch/software/mu/mu4e/mu4e-utils hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-utils
/home/trch/software/mu/mu4e/mu4e-proc hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-proc
/home/trch/software/mu/mu4e/mu4e-main hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-main
/home/trch/software/mu/mu4e/mu4e-actions hides 
/usr/share/emacs25/site-lisp/mu4e/mu4e-actions
/home/trch/.emacs.d/elpa/ntlm-2.1.0/ntlm hides 
/usr/share/emacs25/site-lisp/flim/ntlm
/usr/share/emacs/25.2/site-lisp/debian-startup hides 
/usr/share/emacs/site-lisp/debian-startup
/usr/share/emacs25/site-lisp/cmake-data/cmake-mode hides 
/usr/share/emacs/site-lisp/cmake-mode
/usr/share/emacs25/site-lisp/flim/md4 hides /usr/share/emacs/25.2/lisp/md4
/usr/share/emacs25/site-lisp/flim/hex-util hides 
/usr/share/emacs/25.2/lisp/hex-util
/home/trch/.emacs.d/elpa/soap-client-3.1.3/soap-inspect hides 
/usr/share/emacs/25.2/lisp/net/soap-inspect
/usr/share/emacs25/site-lisp/flim/sasl-cram hides 
/usr/share/emacs/25.2/lisp/net/sasl-cram
/usr/share/emacs25/site-lisp/flim/sasl-ntlm hides 
/usr/share/emacs/25.2/lisp/net/sasl-ntlm
/usr/share/emacs25/site-lisp/flim/sasl hides /usr/share/emacs/25.2/lisp/net/sasl
/usr/share/emacs25/site-lisp/flim/hmac-def hides 
/usr/share/emacs/25.2/lisp/net/hmac-def
/home/trch/.emacs.d/elpa/soap-client-3.1.3/soap-client hides 
/usr/share/emacs/25.2/lisp/net/soap-client
/usr/share/emacs25/site-lisp/flim/hmac-md5 hides 
/usr/share/emacs/25.2/lisp/net/hmac-md5
/home/trch/.emacs.d/elpa/ntlm-2.1.0/ntlm hides 
/usr/share/emacs/25.2/lisp/net/ntlm
/usr/share/emacs25/site-lisp/flim/sasl-digest hides 
/usr/share/emacs/25.2/lisp/net/sasl-digest
/usr/share/emacs25/site-lisp/latex-cjk-thai/thai-word hides 
/usr/share/emacs/25.2/lisp/language/thai-word
/usr/share/emacs25/site-lisp/auctex/toolbar-x hides 
/usr/share/emacs/site-lisp/auctex/toolbar-x
/usr/share/emacs25/site-lisp/auctex/context hides 
/usr/share/emacs/site-lisp/auctex/context
/usr/share/emacs25/site-lisp/auctex/tex hides 
/usr/share/emacs/site-lisp/auctex/tex
/usr/share/emacs25/site-lisp/auctex/tex-style hides 
/usr/share/emacs/site-lisp/auctex/tex-style
/usr/share/emacs25/site-lisp/auctex/prv-emacs hides 
/usr/share/emacs/site-lisp/auctex/prv-emacs
/usr/share/emacs25/site-lisp/auctex/plain-tex hides 
/usr/share/emacs/site-lisp/auctex/plain-tex
/usr/share/emacs25/site-lisp/auctex/font-latex hides 
/usr/share/emacs/site-lisp/auctex/font-latex
/usr/share/emacs25/site-lisp/auctex/tex-jp hides 
/usr/share/emacs/site-lisp/auctex/tex-jp
/usr/share/emacs25/site-lisp/auctex/tex-fold hides 
/usr/share/emacs/site-lisp/auctex/tex-fold
/usr/share/emacs25/site-lisp/auctex/tex-font hides 
/usr/share/emacs/site-lisp/auctex/tex-font
/usr/share/emacs25/site-lisp/auctex/tex-info hides 
/usr/share/emacs/site-lisp/auctex/tex-info
/usr/share/emacs25/site-lisp/auctex/tex-buf hides 
/usr/share/emacs/site-lisp/auctex/tex-buf
/usr/share/emacs25/site-lisp/auctex/multi-prompt hides 
/usr/share/emacs/site-lisp/auctex/multi-prompt
/usr/share/emacs25/site-lisp/auctex/texmathp hides 
/usr/share/emacs/site-lisp/auctex/texmathp
/usr/share/emacs25/site-lisp/auctex/preview hides 
/usr/share/emacs/site-lisp/auctex/preview
/usr/share/emacs25/site-lisp/auctex/tex-ispell hides 
/usr/share/emacs/site-lisp/auctex/tex-ispell
/usr/share/emacs25/site-lisp/auctex/tex-mik hides 
/usr/share/emacs/site-lisp/auctex/tex-mik
/usr/share/emacs25/site-lisp/auctex/context-en hides 
/usr/share/emacs/site-lisp/auctex/context-en
/usr/share/emacs25/site-lisp/auctex/latex hides 
/usr/share/emacs/site-lisp/auctex/latex
/usr/share/emacs25/site-lisp/auctex/context-nl hides 
/usr/share/emacs/site-lisp/auctex/context-nl
/usr/share/emacs25/site-lisp/auctex/bib-cite hides 
/usr/share/emacs/site-lisp/auctex/bib-cite
/usr/share/emacs25/site-lisp/auctex/tex-bar hides 
/usr/share/emacs/site-lisp/auctex/tex-bar

Features:
(shadow emacsbug xref project bat-mode yaml-mode debug novice csv-mode
pcmpl-unix apt-sources calc-alg calc-ext calc-menu view cal-china lunar
solar cal-dst cal-islam holidays hol-loaddefs rect python tramp-sh json
map tar-mode bug-reference git-rebase tabify man eieio-opt grep
conf-mode texmathp latexenc cal-move qp mailalias mail-extr sort
cus-edit cus-start cus-load dabbrev descr-text adoc-mode tempo
markup-faces lisp-mnt mm-archive url-handlers url-http-ntlm ntlm calc
calc-loaddefs calc-macs hmac-md5 md4 network-stream nsm starttls
url-http tls gnutls url-gw url-cache tramp-cache tramp tramp-compat
tramp-loaddefs trampver ucs-normalize sh-script executable misearch
multi-isearch visual-fill-column face-remap sgml-mode shr-color shr dom
reftex-auc preview prv-emacs tex-buf reftex-dcr reftex reftex-vars latex
tex-ispell tex-style tex-mode markdown-mode rx color cc-mode cc-fonts
cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs
org-element org-rmail org-mhe org-irc org-info org-gnus org-docview
org-bibtex org-bbdb org-w3m merlin-ac auto-complete popup tuareg caml
imenu skeleton caml-help tuareg-jbuild-mode scheme make-mode vc-git
tuareg-opam-mode flymake compile smie font-latex tex dbus bibtex
merlin-cap merlin caml-types caml-emacs magit-obsolete magit-blame
magit-stash magit-bisect magit-remote magit-commit magit-sequence
magit-notes magit-worktree magit-branch magit-files magit-refs
magit-status magit magit-repos magit-apply magit-wip magit-log
magit-diff smerge-mode diff-mode magit-core magit-autorevert
magit-process magit-margin magit-mode magit-git magit-section
magit-popup git-commit magit-utils crm log-edit pcvs-util add-log
with-editor async-bytecomp async shell dash erc-list erc-menu erc-join
erc-ring erc-networks erc-pcomplete erc-track erc-match erc-button
erc-fill erc-stamp erc-netsplit erc-goodies erc erc-backend erc-compat
pp twittering-mode url url-proxy url-privacy url-expand url-methods
url-history url-cookie url-domsuf url-util mailcap xml org-mu4e mu-cite
alist std11 pccl pccl-20 pcustom poem poem-e20 poem-e20_3 pces pces-e20
pces-20 broken poe pym static apel-ver product flyspell ispell advice
mu4e-contrib mu4e desktop frameset mu4e-speedbar speedbar sb-image
ezimage dframe mu4e-main mu4e-view thingatpt mu4e-headers mu4e-compose
mu4e-context mu4e-draft mu4e-actions ido rfc2368 smtpmail sendmail
mu4e-mark mu4e-message flow-fill html2text mu4e-proc mu4e-proc-mu
mu4e-utils mu4e-lists mu4e-vars message rfc822 mml mml-sec mm-decode
mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums
mailabbrev mail-utils gmm-utils mailheader hl-line mu4e-meta w3m
browse-url doc-view subr-x jka-compr dired image-mode timezone w3m-hist
w3m-fb bookmark-w3m w3m-ems wid-edit w3m-ccl ccl w3m-favicon w3m-image
w3m-proc w3m-util org org-macro org-footnote org-pcomplete pcomplete
org-list org-faces org-entities noutline outline easy-mmode org-version
ob-emacs-lisp ob ob-tangle ob-ref ob-lob ob-table ob-exp org-src ob-keys
ob-comint comint ansi-color ring ob-core ob-eval org-compat org-macs
org-loaddefs format-spec find-func epa-file epa derived epg cl quail
autorevert filenotify edmacro kmacro paren icalendar diary-lib
diary-loaddefs cal-menu calendar cal-loaddefs server finder-inf url-auth
url-parse auth-source cl-seq eieio eieio-core cl-macs gnus-util mm-util
help-fns mail-prsvr password-cache url-vars info package epg-config seq
byte-opt gv bytecomp byte-compile cl-extra help-mode easymenu cconv
cl-loaddefs pcase cl-lib debian-el debian-el-loaddefs w3m-load
preview-latex tex-site auto-loads time-date mule-util tooltip eldoc
electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list newcomment elisp-mode lisp-mode prog-mode register page
menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core 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 charscript case-table epa-hook jka-cmpr-hook help
simple abbrev 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
move-toolbar gtk x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 1862036 348291)
 (symbols 48 79791 25)
 (miscs 40 17406 5643)
 (strings 32 351924 98537)
 (string-bytes 1 10279789)
 (vectors 16 115165)
 (vector-slots 8 2584966 102484)
 (floats 8 1378 1816)
 (intervals 56 160227 5055)
 (buffers 976 171))