CTAN update: citation-style-language

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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