CTAN update: postnotes

[CTAN Announcements]

Gustavo Barros submitted an update to the

                postnotes

package.

Version: 0.2.6
License: lppl1.3c

Summary description: Endnotes for LaTeX

Announcement text:
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## v0.2.6 (2023-08-21)

### Fixed
- Check `if at filesw` before writing labels to the .aux file.
- Ensure `\post at note` is defined in the .aux file.

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

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


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   Thanks for the upload.

     For the CTAN Team
    Manfred Lotz


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