CTAN update: l3kernel

[CTAN Announcements]

The LaTeX Project Team submitted an update to the

                     l3kernel

bundle.

Version:  2024-02-20
License:  lppl1.3c

Summary description:  LaTeX3 programming conventions

Announcement text:
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 ### Changed
 - Improve error recovery when an invalid `prop` is used (PR \#1464)

 ### Fixed
 - Restore `\__kernel_msg_...:nnx(xx)` for older `xparse` support
 - Prevent an infinite loop in `\debug_(on|off):n` (issue \#1442)
 - Require `\sys_ensure_backend:` is used in the preamble (issue \#1442)

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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/

------------------------------------------------------------------------

   Thanks for the upload.

     For the CTAN Team
    Petra Rübe-Pugliese

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