Your bug report

#30681: What characters are in [[:space:]]?

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 30681@debbugs.gnu.org.

-- 
30681: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=30681
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