Follow-up Comment #14, task #10626 (project administration):
I just found out that there seems to be a more recent version of
underscore.sty available at CTAN:
http://ftp.gwdg.de/pub/ctan/macros/latex/contrib/underscore/
This one seems to be published under the LPPL. LPPL is not compatible with
GPL, but it is still free software. As far as I understand, as long as I do
not modify the file, I can simply keep it within our package, right?
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