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
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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.
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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
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Thanks for the upload.
For the CTAN Team Erik Braun
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