CTAN update: citation-style-language

[CTAN Announcements]

Zeping Lee submitted an update to the

                citation-style-language

package.

Version number: 0.4.0 2023-04-02
License type: mit cc-by-sa-3

Summary description: Bibliography formatting with Citation Style Language

Announcement text:
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## [v0.4.0] - 2023-04-02

### Added

- Add hyperlinks to citations when `hyperref` is loaded.
- Add backref.
- Add journal abbreviation.
- The `title`s and `booktitle`s from BibTeX data are converted to sentence case.
- Add [`layout` extension](https://citeproc-js.readthedocs.io/en/latest/csl-m/index.html#cs-layout-extension) of CSL-M.

### Fixed

- Fix missing warning of empty citation ([latex3/latex2e#790](https://github.com/latex3/latex2e/issues/790)).
- Fix url link of PMCID.
- Fix an error of LaTeX commands in cite prefix ([#36](https://github.com/zepinglee/citeproc-lua/issues/36)).
- Fix invalid `bib-item-sep` option.
- Fix the delimiter of `cs:choose` in deeper levels.


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This package is located at 
   https://mirrors.ctan.org/biblio/citation-style-language

More information is at
   https://www.ctan.org/pkg/citation-style-language

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   Thanks for the upload.

     For the CTAN Team
    Erik Braun

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