This package is new at tug.ctan.org and should within a day have made its way through the mirror system.
Thanks, Jim Hefferon Saint Michael's College
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The following information was provided by our fellow contributor:
Name of contribution: luamcallbacks Author's name: Elie Roux Location on CTAN: /macros/luatex/generic/luamcallbacks/ Summary description: Package to register multiple functions by callback License type: pd
Announcement text: ---------------------------------------------------------------------- New low-level package to be able to register several functions in a callback. ----------------------------------------------------------------------
This package is located at http://tug.ctan.org/tex-archive/macros/luatex/generic/luamcallbacks/ . More information is at http://tug.ctan.org/pkg/luamcallbacks (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .