https://joshtronic.com/2017/07/26/hide-title-bars-in-gnome-shell/
   update .config/gtk-3.0/gtk.css
 
+  gtk-4:
+  https://discussion.fedoraproject.org/t/change-titlebar-height-in-gnome-47/143690/4
+
 - gnome3: legacy system tray (for pidgin)
 
   install AppIndicator and KStatusNotifierItem Support by 3v1n0
 
 - gnome3: improved workspace indicator
 
+  better:
+  https://extensions.gnome.org/extension/7700/task-up-ultralite/
+
 - load xresources at startup
 
   # with +x perms
   cp Documents/22x22-pidgin-tray-available.png /usr/share/pixmaps/pidgin/tray/hicolor/22x22/status/pidgin-tray-available.png
   cp Documents/16x16-pidgin-tray-available.png /usr/share/pixmaps/pidgin/tray/hicolor/16x16/status/pidgin-tray-available.png
 
+  cp Documents/22x22-pidgin-tray-available.png /usr/share/pixmaps/pidgin/tray/hicolor/22x22/status/pidgin-tray-available.png
+  cp Documents/16x16-pidgin-tray-available.png /usr/share/pixmaps/pidgin/tray/hicolor/16x16/status/pidgin-tray-available.png
+
 - etc/hosts
 
   add "127.0.0.1 glum"
   # pour unload les modules
   pactl unload-module "$num"
 
+- bluetooth get mic working
+  https://askubuntu.com/questions/354383/headphones-microphone-is-not-working
+
+    Find load-module module-bluetooth-policy line in /etc/pulse/default.pa
+    Change it to load-module module-bluetooth-policy auto_switch=2
+
+    pulseaudio -k
+    pulseaudio -D
+
+- debounce keybord
+
+  from gnome-control-center, or:
+
+gsettings list-recursively | grep bounce
+org.gnome.desktop.a11y.keyboard bouncekeys-beep-reject false
+org.gnome.desktop.a11y.keyboard bouncekeys-delay 74
+org.gnome.desktop.a11y.keyboard bouncekeys-enable true
 - first calendar day is monday:
 
   add this line in /etc/default/locale: