CTAN update: l3kernel

[CTAN Announcements]

The LaTeX Team  submitted an update to the

                l3kernel

package.

Version number: 2019-05-03
License type: lppl1.3c

Summary description: LaTeX3 programming conventions

Announcement text:
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## [2019-05-05]

### Added

- `\char_str_<target>_case:N`

### Fixed

- Infinite loop in some cases in DVI mode due to link-breaking code
  (see #570)
- Category code of output from `\char_<target>_case:N`, and
  same issue in `\str_<target>_case:n`
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This package is located at 
   http://mirror.ctan.org/macros/latex/contrib/l3kernel

More information is at
   http://www.ctan.org/pkg/l3kernel

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Please join a users group; see http://www.tug.org/usergroups.html .

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   Thanks for the upload.

     For the CTAN Team
    Ina Dau

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