Your bug report

#30794: Cannot produce backslash through hexadecimal - sed (GNU sed) 4.2.2

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 30794@debbugs.gnu.org.

-- 
30794: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=30794
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