This folder requires the next files to be present:
Extracted from https://www.unicode.org/Public/zipped/14.0.0/UCD.zip:
* UnicodeData.txt
* HangulSyllableType.txt
* PropList.txt
Extracted from https://www.unicode.org/Public/cldr/40/core.zip :
* in the subfolder "common\uca"
** allkeys.txt : this file is actually the allkeys_CLDR.txt file renamed. It is the CLDR's root collation.
** UCA_Rules_SHORT.txt
** CollationTest_CLDR_NON_IGNORABLE_SHORT.txt
** CollationTest_CLDR_SHIFTED_SHORT.txt
* in the subfolder "common\collation"
** all the language specific xml files (de.xml, es.xml, ...)