CTAN update: l3kernel

[CTAN Announcements]

The LaTeX Team  submitted an update to the

                    l3kernel

package.

Version:  2022-02-05
License:  lppl1.3c

Summary description:  LaTeX3 programming conventions

Announcement text:
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 ## [2022-02-05]

 ### Added
 - Distribute `l3doc.pdf` with a prominent warning about future changes
 - `\color_math:nn(n)` as a functional equivalent of the new `\mathcolor`
   command in LaTeX2e

 ### Changed
 - Documentation for horizontal coffin poles (see issue #1041)
 - Update primitive requirements to enable loading with Prote/HINT

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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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