The LaTeX Project Team submitted an update to the

l3kernel

bundle.

Version: 2024-12-09 License: lppl1.3c

Summary description: LaTeX3 programming conventions

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

### Added - `\bitset_use:N` and `\clist_use:N`: this clarifies that bitsets and clists can be used with `V`-type expansion - `\sys_if_engine_opentype:(TF)` - Add equivalent interfaces for regex functions: - `\int_(g)set_regex_count:Nnn`, `\int_(g)set_regex_count:NNn` - `\seq_(g)set_regex_extract_once:Nnn`, `\seq_(g)set_regex_extract_once:NNn` - `\seq_(g)set_regex_extract_all:Nnn`, `\seq_(g)set_regex_extract_all:NNn` - `\seq_(g)set_regex_split:Nnn`, `\seq_(g)set_regex_split:NNn` - `\tl_if_regex_match:nn(TF)`, `\tl_if_regex_match:nN(TF)` - `\tl_regex_(g)replace_once:Nnn`, `\tl_regex_(g)replace_once:NNn` - `\tl_regex_(g)replace_all:Nnn`, `\tl_regex_(g)replace_all:NNn`

### Fixed - `\prop_item:Nn` result not returned in `\exp_not:n` for linked properties (#1630)

### Removed - `\c_catcode_active_tl`: was missing a `_`, always intended to be internal

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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/required/l3kernel/

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Thanks for the upload.

For the CTAN Team Petra Rübe-Pugliese

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