#!/usr/bin/env sh

# according to https://unicode.org/faq/unsup_char.html, unicode characters
# that are usually not visible are those with the White_Space property, as
# listed in PropList.txt and the default-ignorable characters listed in
# DerivedCoreProperties.txt.

wget https://www.unicode.org/Public/UCD/latest/ucd/PropList.txt
wget https://www.unicode.org/Public/UCD/latest/ucd/DerivedCoreProperties.txt

# definitions of XKB constants can be found in /usr/include/X11/keysymdef.h

