CTAN update: l3kernel

[CTAN Announcements]

The LaTeX Project Team submitted an update to the

                     l3kernel

bundle.

Version:  2023-01-24
License:  lppl1.3c

Summary description:  LaTeX3 programming conventions

Announcement text:
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 ### Added
 - Complete list of pdfTeX primitives

 ### Fixed
 - Allow for multi-part BCP47 strings in case changing
 - Loading with plain TeX due to `\outer` status of `^^L`
   issue [\#1161](https://github.com/latex3/latex3/issues/1161))

 ### Changed
 - Leave catcode of `&` unchanged in code environment

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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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