CTAN update: chemformula

[CTAN Announcements]

Clemens Niederberger submitted an update to the

                chemformula

package.

Version number: 4.17 2022-01-23
License type: lppl1.3c

Summary description: Command for typesetting chemical formulas and 
reactions

Announcement text:
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- improve option `frac-math-cmd'
- deprecate `stoich-print` and introduce `stoich-format`
- lazy boolean evaluation where possible
- fix deprecated file hook, fixes issue #18
- put arrows' labels in a tabular, implements issue #17
- fix problem with arrows' labels, fixes issue #19
- fix typos in code


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This package is located at 
   https://mirrors.ctan.org/macros/latex/contrib/chemformula

More information is at
   https://www.ctan.org/pkg/chemformula

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   Thanks for the upload.

     For the CTAN Team
    Erik Braun

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