Your bug report

#17088: 24.3.50; align-region : Wrong type argument: markerp, nil

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 17088@debbugs.gnu.org.

-- 
17088: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17088
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