Your bug report

#18996: 24.4; Pressing Alt-g shows Esc g- when running emacs inside terminal and in GUI mode it shows M-g

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 18996@debbugs.gnu.org.

-- 
18996: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18996
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