Your bug report

#16809: 24.3; When starting Emacs 24.3.1 in Xubuntu 13.10, "Theme parsing error: gtk-widgets.css" is always output to console

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 16809@debbugs.gnu.org.

-- 
16809: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16809
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