CTAN update: l3kernel

[CTAN Announcements]

The LaTeX Team  submitted an update to the

                   l3kernel

package.

Version:  2022-05-04
License:  lppl1.3c

Summary description:  LaTeX3 programming conventions

Announcement text:
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 ## [2022-05-04]

 ### Added
 - Language settings `hy` and `hy-x-yiwn` for handling of ech-yiwm ligature
   uppercasing

 ## Changed
 - Support BCP 47 properly in case changer language argument

 ### Fixed
 - Correct `el-xiota` and `de-xeszett` to `el-x-iota` and `de-x-eszett`

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The package’s Catalogue entry can be viewed at
   https://ctan.org/pkg/l3kernel

The package’s files themselves can be inspected at
   https://mirrors.ctan.org/macros/latex/contrib/l3kernel/

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   Thanks for the upload.

     For the CTAN Team
    Petra Rübe-Pugliese

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