When I change the font using Options -> Set default... and then try to save the new setup with Options -> Save options... it is not reflected in (custom-set-faces... In GNU Emacs 25.0.92.1 (x86_64-apple-darwin14.5.0, NS appkit-1348.17 Version 10.10.5 (Build 14F1605)) of 2016-03-03 built on paag.local Windowing system distributor 'Apple', version 10.3.1348 Configured using: 'configure --prefix=/usr/local/Cellar/emacs/25.0.92 --enable-locallisppath=/usr/local/share/emacs/site-lisp --infodir=/usr/local/Cellar/emacs/25.0.92/share/info/emacs --with-xml2 --with-dbus --without-gnutls --with-ns --disable-ns-self-contained' Configured features: JPEG DBUS NOTIFY ACL LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS Important settings: value of $LC_ALL: C value of $LC_CTYPE: es_ES.UTF-8 value of $LANG: es_ES.UTF-8 locale-coding-system: utf-8 Major mode: Lisp Interaction Minor modes in effect: show-paren-mode: t server-mode: t global-linum-mode: t linum-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 blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t size-indication-mode: t column-number-mode: t line-number-mode: t transient-mark-mode: t Recent messages: Loading /Volumes/Macintosh-HD/Users/paag/.emacs.d/mac-init.el (source)...done Loading /Volumes/Macintosh-HD/Users/paag/.emacs.d/mac-custom.el (source)... Loading linum...done Loading server...done Loading paren...done Loading /Volumes/Macintosh-HD/Users/paag/.emacs.d/mac-custom.el (source)...done Restarting server For information about GNU Emacs and the GNU system, type C-h C-a. Making completion list... [2 times] Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message dired format-spec rfc822 mml mml-sec epg gnus-util mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util help-fns help-mode cl-loaddefs pcase cl-lib mail-prsvr mail-utils finder-inf package easymenu epg-config paren server linum cus-start cus-load time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel ns-win ucs-normalize term/common-win 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 kqueue cocoa ns multi-tty make-network-process emacs) Memory information: ((conses 16 210457 8718) (symbols 48 21155 0) (miscs 40 86 218) (strings 32 19347 5329) (string-bytes 1 539735) (vectors 16 34112) (vector-slots 8 657635 4259) (floats 8 176 99) (intervals 56 242 23) (buffers 976 12)) --- Dr. Pedro A. 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