Michael Webster authored Jan 12, 2021 and Clement Lefebvre committed Jan 13, 2021

This was originally a workaround for xFree86 4.3 - see:
https://bugzilla.gnome.org/show_bug.cgi?id=673547
​
As of https://gitlab.freedesktop.org/xorg/xserver/-/commit/87c64fc5b0 this
causes a BadLength error when attempting to use shifted characters.
​
Ref:
https://www.x.org/releases/X11R7.7/doc/libX11/XKB/xkblib.html#Changing_Map_Components_in_the_Server