Running gsd-backlight-helper is broken now as well, because are/polkit-1/actions/org.gnome.settings-daemon.plugins.power.policy has
<description gettext-domain=""gnome-settings-daemon"">Modify the laptop brightness</description>
<message gettext-domain=""gnome-settings-daemon"">Authentication is required to modify the laptop brightness</message>
Running gsd-backlight- helper is broken now as well, because are/polkit- 1/actions/ org.gnome. settings- daemon. plugins. power.policy has
<description gettext- domain= ""gnome- settings- daemon" ">Modify the laptop brightness< /description> domain= ""gnome- settings- daemon" ">Authenticatio n is required to modify the laptop brightness< /message>
<message gettext-
Note the double quotes.