CTAN update: l3kernel

[CTAN Announcements]

The LaTeX Team submitted an update to the

                l3kernel

package.

Version number: 2021-11-22
License type: lppl1.3c

Summary description: LaTeX3 programming conventions

Announcement text:
----------------------------------------------------------------------


## [2021-11-22]

### Added
- Support for legacy `if` switches in `l3keys`

### Changed
- Documentation improvements
- Implementation of `intarray` data type with LuaTeX
- Better support for LuaMetaTeX


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

This package is located at 
   https://mirrors.ctan.org/macros/latex/contrib/l3kernel

More information is at
   https://www.ctan.org/pkg/l3kernel

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

   Thanks for the upload.

     For the CTAN Team
    Erik Braun

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

CTAN is run entirely by volunteers and supported by TeX user groups.
Please join a user group or donate to one, see https://ctan.org/lugs