Issue #17750 has been updated by duerst (Martin D=FCrst).


Details about moving files (see https://www.unicode.org/Public/13.0.0/ucd/e=
moji/ReadMe.txt):

The two files `emoji-data.txt` and `emoji-variation-sequences.txt` move from
`https://www.unicode.org/Public/emoji/12.1/` in Emoji version 12.1 to
`https://www.unicode.org/Public/13.0.0/ucd/emoji/` in Unicode Version 13.0.=
0.
We will reflect this in also changing the location of the files when buildi=
ng Ruby.

To get all the files, use
$> make update-unicode

In some cases, it will be necessary to temporarily uncomment the following =
line in `common.mk`:
`# ALWAYS_UPDATE_UNICODE =3D yes`


----------------------------------------
Feature #17750: Update Unicode data to Unicode Version 13.0.0
https://bugs.ruby-lang.org/issues/17750#change-92781

* Author: duerst (Martin D=FCrst)
* Status: Open
* Priority: Normal
* Assignee: duerst (Martin D=FCrst)
* Target version: 3.1
----------------------------------------
The newest version of Unicode is Unicode 13.0.0 since about one year (see h=
ttp://www.unicode.org/versions/Unicode13.0.0/). We should finally update Ru=
by to use Unicode 13.0.0, and probably also backport the result to Ruby 3.0=
. This issue serves as the main issue for this update; if necessary, I'll c=
reate sub-issues.

Currently, I don't expect any major issues (stuff that would require rewrit=
ing code) for this upgrade, but I'll check again carefully.

One problem I know of is that Unicode changed the structure of their direct=
ories somewhat. This may affect the Ruby makefile infrastructure. =




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