Your bug report

#18817: \w is not synonym for [[:alnum:]] in UTF-8 locales

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 18817@debbugs.gnu.org.

-- 
18817: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18817
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