Your bug report

#8738: 23.3.50; encode-coding-string does not set last-coding-system-used

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 8738@debbugs.gnu.org.

-- 
8738: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8738
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