David Carlisle submitted the
ucharcat
package.
Version number: 0.01 License type: lppl
Summary description: Implementation of the (new in 2015) xetex Ucharcat command in lua, for luatex.
Announcement text: ----------------------------------------------------------------------
ucharcat implements the Ucharcat command for lualatex.
Ucharcat is a new primitive in xetex, an extension of the existing Uchar command, that allows the specification of the catcode as well as character code of the character token being constructed.
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This package is located at http://mirror.ctan.org/macros/latex/contrib/ucharcat
More information is at http://www.ctan.org/pkg/ucharcat
We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .
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Thanks for the upload.
For the CTAN Team Manfred Lotz