When I point to http://stackoverflow.com/search?q=How+to+redefine+FrontEndEventActions%3F, I see:
When I point to http://stackoverflow.com/unanswered/tagged/?page=2&tab=mytags, I see:
(I am sorry it is not useful if you don't share tags with me.)
Please note the difference in author and modification date.
The question in question is How to redefine FrontEndEventActions?