Your bug report

#19533: comm does not detect common lines -- Mac OS X 10.9.5

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 19533@debbugs.gnu.org.

-- 
19533: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19533
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