Draft: Use universal design font for Japanese

It solves long standing Han Unification issue for Japanese since Debian 9 (stretch).

• Step1: fix rootskel-gtk for Japanese to use BIZ UDGothic. rootskel-gtk!5
• Step2: release fonts-morisawa-bizud-gothic-udeb fonts-team/fonts-morisawa-bizud-gothic!1
• Step3: install bizud gothic udeb for Japanese

ref.

• debian-installer: GUI font for Japanese was incorrectly rendered https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1037256

• Your Code Displays Japanese Wrong https://heistak.github.io/your-code-displays-japanese-wrong/

Signed-off-by: Kentaro Hayashi kenhys@xdump.org