bug#30650: 26.0.91; GTK+ 3 needs documentation

[Michael Albinus]

In the Emacs manual, node "(emacs) GTK resources", GTK+ 2 configuration
is described. GTK+ 3 configuration description is missing. Shall be added.


In GNU Emacs 26.0.91 (build 27, x86_64-pc-linux-gnu, GTK+ Version 3.22.25)
 of 2018-02-28 built on detlef
Repository revision: 5e69219fdaf37445e4508c3413084d66057bc99f
Windowing system distributor 'Fedora Project', version 11.0.11906000
System Description:     Ubuntu 17.10

Recent messages:
Wrote /home/albinus/News/drafts/drafts/6
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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 THREADS LCMS2

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

Major mode: Message

Minor modes in effect:
  gnus-message-citation-mode: t
  mml-mode: t
  erc-notify-mode: t
  erc-notifications-mode: t
  display-time-mode: t
  shell-dirtrack-mode: t
  icomplete-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
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  auto-fill-function: message-do-auto-fill
  transient-mark-mode: t
  abbrev-mode: t

Load-path shadows:
/home/albinus/src/elpa/packages/debbugs/debbugs-org hides 
/home/albinus/.emacs.d/elpa/debbugs-0.14/debbugs-org
/home/albinus/src/elpa/packages/debbugs/debbugs-gnu hides 
/home/albinus/.emacs.d/elpa/debbugs-0.14/debbugs-gnu
/home/albinus/src/elpa/packages/debbugs/debbugs hides 
/home/albinus/.emacs.d/elpa/debbugs-0.14/debbugs
/home/albinus/src/elpa/packages/debbugs/debbugs-autoloads hides 
/home/albinus/.emacs.d/elpa/debbugs-0.14/debbugs-autoloads
/home/albinus/src/elpa/packages/debbugs/debbugs-pkg hides 
/home/albinus/.emacs.d/elpa/debbugs-0.14/debbugs-pkg
/home/albinus/src/elpa/packages/debbugs/debbugs-browse hides 
/home/albinus/.emacs.d/elpa/debbugs-0.14/debbugs-browse
/home/albinus/src/elpa/packages/tramp-theme/tramp-theme hides 
/home/albinus/.emacs.d/elpa/tramp-theme-0.2/tramp-theme
/home/albinus/src/elpa/packages/tramp-theme/tramp-theme-autoloads hides 
/home/albinus/.emacs.d/elpa/tramp-theme-0.2/tramp-theme-autoloads
/home/albinus/src/elpa/packages/tramp-theme/tramp-theme-pkg hides 
/home/albinus/.emacs.d/elpa/tramp-theme-0.2/tramp-theme-pkg
/home/albinus/.emacs.d/elpa/telepathy-20131209.458/telepathy hides 
~/lisp/telepathy
~/src/tramp/lisp/tramp-smb hides /usr/local/src/emacs-26/lisp/net/tramp-smb
~/src/tramp/lisp/tramp-uu hides /usr/local/src/emacs-26/lisp/net/tramp-uu
~/src/tramp/lisp/tramp-adb hides /usr/local/src/emacs-26/lisp/net/tramp-adb
~/src/tramp/lisp/tramp-cmds hides /usr/local/src/emacs-26/lisp/net/tramp-cmds
~/src/tramp/lisp/tramp-cache hides /usr/local/src/emacs-26/lisp/net/tramp-cache
~/src/tramp/lisp/trampver hides /usr/local/src/emacs-26/lisp/net/trampver
~/src/tramp/lisp/tramp-ftp hides /usr/local/src/emacs-26/lisp/net/tramp-ftp
~/src/tramp/lisp/tramp-sh hides /usr/local/src/emacs-26/lisp/net/tramp-sh
~/src/tramp/lisp/tramp hides /usr/local/src/emacs-26/lisp/net/tramp
~/src/tramp/lisp/tramp-loaddefs hides 
/usr/local/src/emacs-26/lisp/net/tramp-loaddefs
~/lisp/dbus hides /usr/local/src/emacs-26/lisp/net/dbus
~/src/tramp/lisp/tramp-gvfs hides /usr/local/src/emacs-26/lisp/net/tramp-gvfs
~/src/tramp/lisp/tramp-compat hides 
/usr/local/src/emacs-26/lisp/net/tramp-compat

Features:
(shadow warnings emacsbug magit-utils crm misearch multi-isearch
time-stamp nnir sort smiley gnus-cite mail-extr gnus-async gnus-bcklg
cl-extra help-mode gnus-draft gnus-ml pop3 utf-7 nndraft nnmh nnml
network-stream nsm starttls gnus-agent gnus-srvr gnus-score score-mode
nnvirtual gnus-msg gnus-art mm-uu mml2015 mm-view mml-smime smime dig
mailcap gnus-cache gnus-sum nnnil smtpmail sendmail gnus-demon nntp
gnus-group gnus-undo gnus-start gnus-cloud nnimap nnmail mail-source tls
gnutls utf7 netrc nnoo gnus-spec gnus-int gnus-range message rmc puny
rfc822 mml mml-sec epa derived epg mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader gnus-win gnus
nnheader gnus-util rmail rmail-loaddefs rfc2047 rfc2045 ietf-drums
mail-utils mm-util mail-prsvr wid-edit elec-pair erc-notify erc-networks
erc-desktop-notifications erc-match notifications dbus xml erc-goodies
erc erc-backend erc-compat thingatpt pp cperl-mode finder-inf rx edmacro
kmacro kubernetes-tramp docker-tramp tramp-cache slime-autoloads
vagrant-tramp dash term disp-table ehelp info package easymenu
epg-config url-handlers url-parse url-vars time tramp-sh tramp trampver
tramp-compat tramp-loaddefs ucs-normalize shell pcomplete comint
ansi-color ring parse-time format-spec advice auth-source cl-seq eieio
eieio-core cl-macs eieio-loaddefs password-cache ido seq byte-opt gv
bytecomp byte-compile cconv jka-compr icomplete paren vc cl-loaddefs
cl-lib vc-dispatcher dired dired-loaddefs 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 charprop 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 lcms2 dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty
make-network-process emacs)

Memory information:
((conses 16 537474 46483)
 (symbols 48 42208 1)
 (miscs 40 409 645)
 (strings 32 107223 13894)
 (string-bytes 1 3277843)
 (vectors 16 62692)
 (vector-slots 8 1439786 109716)
 (floats 8 244 316)
 (intervals 56 5194 2091)
 (buffers 992 30))