This changes makes it easier to update the Unicode data files used for
the Extended Graphme Clustering as added in D126971.
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D129668
This improves the formatting of the generated files. That allows it to
remove the clang-format step in D129668.
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D130911
This implements the Grapheme clustering as required by
P1868R2 width: clarifying units of width and precision in std::format
This was omitted in the initial patch, but the paper was marked as completed. This really completes the paper.
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D126971
Louis Dionne