CTAN update: sanitize-umlaut

[CTAN Announcements]

Thomas F. Sturm submitted an update to the

                sanitize-umlaut

package.

Version number: 1.2.1 2022-06-29
License type: lppl1.3

Summary description: Sanitize umlauts for MakeIndex and pdfLaTeX

Announcement text:
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## [1.2.1] - 2022-06-29

### Fixed
- The implementation of 1.2.0 changed UTF8 characters globally, not locally
    inside `\index`. The fix works locally as intended and only affects
    characters with UTF8-encoding C3..

## [1.2.0] - 2022-06-29

### Changed
- Changelog moved from CHANGES to CHANGES.md and adapted to
  [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
- From now on version numbers adhere to
  [Semantic Versioning](http://semver.org/spec/v2.0.0.html)

### Fixed
- The 2022 June release of LaTeX breaks sanitize-umlaut (issue #1)
    A patch to `utf8.def` is added to circumvent `\protected` for
    two-octets UTF8 characters (including umlauts) inside `\index`

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This package is located at
   https://mirrors.ctan.org/macros/latex/contrib/sanitize-umlaut

More information is at
   https://www.ctan.org/pkg/sanitize-umlaut


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   Thanks for the upload.

     For the CTAN Team
    Manfred Lotz


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