CTAN update: l3kernel

[CTAN Announcements]

The LaTeX Project Team submitted an update to the

                     l3kernel

bundle.

Version:  2023-06-30
License:  lppl1.3c

Summary description:  LaTeX3 programming conventions

Announcement text:
----------------------------------------------------------------------
 
 ### Added
 - `\codepoint_to_category:n`

 ### Changed
 - Drop notes about slow `\expanded` emulation. `\expanded` is
   required since release 2023-05-15
 - Sync engine/primitive requirements in `expl3.dtx` with code and
   README

 ### Fixed
 - Case changing of Greek characters with complex NFD representation
   (issue \#1236)
 - Error recovery when wrongly applying abs to a tuple (issue \#1238)

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

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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