bug#32831: 25.3; maximized frame on CDE shrinks by 5px on right margin

[van]

Using the CDE windowing environment, I maximise the Emacs's frame.

After 30 minutes use and keying M-x the right margin of the frame
shrinks by 5px and exposes a little bit of the desktop background.

This does not happen to the Firefox web browser also set in a maximised frame.



In GNU Emacs 25.3.1 (x86_64--netbsd, GTK+ Version 3.22.30)
 of 2018-07-05 built on amd64-nb8.netbsd.org
Windowing system distributor 'The Xorg Foundation', version 11.0.11804000
Configured using:
 'configure --srcdir=/work/editors/emacs25/work/emacs-25.3
 --localstatedir=/var --without-gnutls --x-includes=/usr/X11R7/include
 --x-libraries=/usr/X11R7/lib --with-x --without-ns --with-xpm
 --with-jpeg --with-tiff --with-gif --with-png --with-x-toolkit=gtk3
 --prefix=/usr/pkg --build=x86_64--netbsd --host=x86_64--netbsd
 --infodir=/usr/pkg/info --mandir=/usr/pkg/man 'CFLAGS=-O2
 -D_FORTIFY_SOURCE=2 -fno-optimize-strlen -I/usr/pkg/include
 -I/usr/include -I/usr/X11R7/include -I/usr/X11R7/include/freetype2
 -I/usr/pkg/include/glib/glib-2.0 -I/usr/pkg/include/glib/gio-unix-2.0
 -I/usr/pkg/lib/glib-2.0/include -I/usr/X11R7/include/libdrm'
 'CPPFLAGS=-DTERMINFO -I/usr/pkg/include -I/usr/include
 -I/usr/X11R7/include -I/usr/X11R7/include/freetype2
 -I/usr/pkg/include/glib/glib-2.0 -I/usr/pkg/include/glib/gio-unix-2.0
 -I/usr/pkg/lib/glib-2.0/include -I/usr/X11R7/include/libdrm'
 'LDFLAGS=-L/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib -Wl,-R/usr/pkg/lib
 -L/usr/X11R7/lib -Wl,-R/usr/X11R7/lib''

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

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

Major mode: eww

Minor modes in effect:
  hl-line-mode: t
  show-paren-mode: t
  display-time-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-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
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent messages:
Opening TLS connection to ‘www.scmp.com’...done
Contacting host: www.scmp.com:443 [3 times]
Opening TLS connection to ‘www.scmp.com’...
Opening TLS connection with ‘gnutls-cli --x509cafile nil -p 443 
www.scmp.com’...failed
Opening TLS connection with ‘gnutls-cli --x509cafile nil -p 443 www.scmp.com 
--protocols ssl3’...failed
Opening TLS connection with ‘openssl s_client -connect www.scmp.com:443 
-no_ssl2 -ign_eof’...done
Opening TLS connection to ‘www.scmp.com’...done
Hl-Line mode enabled in current buffer
Making completion list... [2 times]
delete-backward-char: Text is read-only

Load-path shadows:
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/home/van/.emacs.d/elpa/org-9.1.13/org-docview hides 
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/home/van/.emacs.d/elpa/org-9.1.13/org-compat hides 
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Features:
(shadow sort mail-extr emacsbug message rfc822 mml mml-sec epg mm-decode
mm-bodies mm-encode mailabbrev gmm-utils mailheader sendmail hl-line
shr-color color parse-time network-stream nsm starttls url-http tls
gnutls mail-parse rfc2231 rfc2047 rfc2045 ietf-drums url-gw url-cache
url-auth eww mm-url gnus gnus-ems nnheader mail-utils wid-edit url-queue
url url-proxy url-privacy url-expand url-methods url-history url-cookie
url-domsuf url-util url-parse auth-source cl-seq eieio eieio-core
cl-macs gnus-util mm-util help-fns mail-prsvr password-cache url-vars
mailcap shr dom subr-x browse-url format-spec dired ls-lisp edmacro
kmacro paren time cus-start cus-load finder-inf info package epg-config
seq byte-opt gv bytecomp byte-compile cl-extra help-mode easymenu cconv
cl-loaddefs pcase cl-lib 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 kqueue dynamic-setting system-font-setting font-render-setting
move-toolbar gtk x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 479475 22288)
 (symbols 48 26015 0)
 (miscs 40 77 322)
 (strings 32 66842 12580)
 (string-bytes 1 3540959)
 (vectors 16 18550)
 (vector-slots 8 504929 7989)
 (floats 8 429 224)
 (intervals 56 36684 3984)
 (buffers 976 23))