CTAN update: tcolorbox

[CTAN Announcements]

Thomas F. Sturm submitted an update to the

                tcolorbox

package.

Version number: 5.1.1 2022-06-24
License type: lppl1.3

Summary description: Coloured boxes, for LaTeX examples and theorems, etc

Announcement text:
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### Changed
- Some documentation improvements
- Library `xparse` removed from settings `many` and `most`
- Slight implemenation change for `\newtcbtheorem` and `\renewtcbtheorem`

### Fixed
- Regression bug introduced with v5.0.0 2021-12-16 (issue #182)
    Instead of `beforeafter skip balanced`, `autoparskip` was set as default, restoring
    the situation before v4.40 (with some inconsistencies)

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

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


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   Thanks for the upload.

     For the CTAN Team
    Manfred Lotz


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