# CTAN Update: l3kernel

Date: October 28, 2020 6:32:36 PM CET
The LaTeX Team submitted an update to the l3kernel bundle. Version: 2020-10-27 License: lppl1.3c Summary description: LaTeX3 programming conventions Announcement text:
## [2020-10-27] ### Added - \token_if_font_selection:N(TF) (see #806) ### Fixed - Avoid relying on braced \input primitive syntax - Correct expansion of environments in \text_purify:n - Some aspects of cctab setup with 8-bit engines(issue #814) ### Changed - Improved performance for tl functions - Extend case changer to cover all of Greek with pdfTeX
The package’s Catalogue entry can be viewed at https://ctan.org/pkg/l3kernel The package’s files themselves can be inspected at http://mirror.ctan.org/macros/latex/contrib/l3kernel/
Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese
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## l3kernel – LaTeX3 programming conventions

The l3kernel bundle provides an implementation of the 3 programmers’ interface, as a set of packages that run under . The interface provides the foundation on which the 3 kernel and other future code are built: it is an API for programmers. The packages are set up so that the 3 conventions can be used with regular packages.

 Package l3kernel Version 2021-11-22 Copyright 1990–2021 The LaTeX Project Maintainer The LaTeX Team

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