Your bug report

#15786: 24.3; No warning on mal-formed let form when lexical-binding

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 15786@debbugs.gnu.org.

-- 
15786: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15786
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems