Your bug report

#6442: About the modifier of -k option in sort

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 6442@debbugs.gnu.org.

-- 
6442: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6442
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