If I display a message using message-box, newlines seem to be ignored. For example (message-box "secret\nmessage") will show the message "secretmessage". I have also tried \r\n with the same result. Not a huge problem but annoying... In GNU Emacs 24.5.1 (x86_64-w64-mingw32) of 2015-04-11 on KAEL Windowing system distributor `Microsoft Corp.', version 6.3.9600 Configured using: `configure --prefix=/z/emacs --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --build=x86_64-w64-mingw32 --with-wide-int --with-jpeg --with-xpm --with-png --with-tiff --with-rsvg --with-xml2 --with-gnutls --with-sound=yes --with-file-notification=yes --without-dbus --without-imagemagick 'CFLAGS=-Ofast -fomit-frame-pointer -funroll-loops -g0 -pipe' 'LDFLAGS=-static-libgcc -static-libstdc++ -static -s -Wl,-s'' Important settings: value of $LANG: ENU locale-coding-system: utf-8 Major mode: Emacs-Lisp Minor modes in effect: my-keys-minor-mode: t tabbar-mwheel-mode: t tabbar-mode: t global-nlinum-mode: t nlinum-mode: t diff-auto-refine-mode: t global-undo-tree-mode: t undo-tree-mode: t recentf-mode: t desktop-save-mode: t tooltip-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 blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent messages: Auto-saving... Quit Saving file c:/Users/Adam/.emacs.d/elisp/file-utils.el... Wrote c:/Users/Adam/.emacs.d/elisp/file-utils.el file-older-than Quit Saving file c:/Users/Adam/.emacs.d/elisp/file-utils.el... Wrote c:/Users/Adam/.emacs.d/elisp/file-utils.el file-older-than Wrote c:/Users/Adam/.emacs.d/packages-updated.txt nil Load-path shadows: ~/.emacs.d/lib/tabbar-master/revive hides ~/.emacs.d/lib/revive c:/Users/Adam/.emacs.d/elpa/dash-2.10.0/dash hides ~/.emacs.d/lib/dash ~/.emacs.d/lib/indent hides c:/dev/emacs-w64-24.5/share/emacs/24.5/lisp/indent Features: (shadow sort mail-extr emacsbug sendmail debug eieio-opt speedbar sb-image ezimage dframe find-func geiser-mode geiser-xref geiser-chicken geiser-racket geiser-guile geiser-repl geiser-image geiser-compile geiser-debug geiser-company geiser-doc geiser-menu geiser-autodoc eldoc info-look geiser geiser-edit etags geiser-completion geiser-eval geiser-connection tq geiser-syntax rx geiser-log geiser-popup view geiser-impl geiser-custom geiser-base tar-mode thingatpt cmuscheme scheme tabify autoload misearch multi-isearch lisp-mnt help-mode mule-util gnutls mm-archive network-stream starttls url-cache url-handlers finder-inf vc-git tabbar revbufs fill-column-indicator nlinum linum virtualenvwrapper dash vc-svn psvn derived log-edit message format-spec rfc822 mml mml-sec mailabbrev mail-utils gmm-utils mailheader pcvs-util add-log diff-mode pp elp ediff-merg ediff-wind ediff-diff ediff-mult ediff-help ediff-init ediff-util dired rdp-utils web-mode flymake compile python json comint ring ansi-color util undo-tree soap-client mm-decode mm-bodies mm-encode url-http tls url-auth mail-parse rfc2231 rfc2047 rfc2045 ietf-drums url-gw url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util url-parse auth-source eieio byte-opt bytecomp byte-compile cl-extra cconv eieio-core gnus-util mm-util mail-prsvr password-cache url-vars mailcap warnings xml easy-mmode virtualenv-utils env-utils proj-utils cl-macs s cl gv ido edmacro kmacro ibuffer framemove advice help-fns ehelp editorconfig file-utils recentf tree-widget wid-edit desktop frameset cl-loaddefs cl-lib info easymenu package epg-config misterioso-theme library-utils time-date tooltip electric uniquify ediff-hook vc-hooks lisp-float-type mwheel dos-w32 ls-lisp w32-common-fns disp-table w32-win w32-vars tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer 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 make-network-process w32notify w32 multi-tty emacs) Memory information: ((conses 16 699525 109272) (symbols 56 35736 0) (miscs 48 3413 2679) (strings 32 87577 14382) (string-bytes 1 2273331) (vectors 16 37061) (vector-slots 8 1409654 155048) (floats 8 159 939) (intervals 56 66830 766) (buffers 960 23))