KKTeX submitted the

luwa-ul

package.

Version number: 1.0.1 2025-10-26 License type: lppl1.3c

Summary description: Provides underlines and highlightings which can be used in vertical mode

Announcement text: ----------------------------------------------------------------------

Provides an underline package for Japanese typesetting that automatically adapts to vertical text and to the presence or absence of ruby (furigana). It offers a wide variety of styles, including wavy, dotted, and dashed lines, as well as highlighter-style highlights.

----------------------------------------------------------------------

This package is located at https://mirrors.ctan.org/macros/luatex/latex/luwa-ul

More information is at https://www.ctan.org/pkg/luwa-ul

------------------------------------------------------------------------

Thanks for the upload.

For the CTAN Team Erik Braun

------------------------------------------------------------------------

CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs