CTAN update: zref-check

[CTAN Announcements]

Gustavo Barros submitted an update to the

                 zref-check

package.

Version:  0.2.1 2021-09-16
License:  lppl1.3c

Summary description:  Flexible cross-references with contextual checks based on zref

Announcement text:
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 ## v0.2.1 (2021-09-16)

 ### Changed
 - Use `msg_line_context:` instead of `msg_line_number:` for messages.
 - Use more efficient way to set checks as option keys in `zcheck`.
 - Spare setting end label in `zcheck` for checks which don't need it.
 - Separate `zref` property lists for checks and targets, so that only
   the minimum set of required properties for each are used.

 ### Added
 - New `pagegap` check.
 - Provide infrastructure for integration with `zref-clever`.

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The package’s Catalogue entry can be viewed at
   https://ctan.org/pkg/zref-check

The package’s files themselves can be inspected at
   https://mirrors.ctan.org/macros/latex/contrib/zref-check/

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   Thanks for the upload.

     For the CTAN Team
    Petra Rübe-Pugliese

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