Your bug report

#18946: a problem or a 'bug' about the command groups

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 18946@debbugs.gnu.org.

-- 
18946: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18946
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