Your bug report

#13664: 24.3.50; assertion failed: ZV != ZV_BYTE || charpos == bytepos" alloc.c:6556

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 13664@debbugs.gnu.org.

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13664: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13664
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