Unicode name -> codepoint mapping generator Usage: /usr/lib/llvm-20/bin/UnicodeNameMappingGenerator UnicodeData.txt NameAliases.txt output NameAliases.txt can be found at https://unicode.org/Public/15.1.0/ucd/NameAliases.txt UnicodeData.txt can be found at https://unicode.org/Public/15.1.0/ucd/UnicodeData.txt