I was trying to edit [this question](http://superuser.com/questions/31237/problem-step-recorder-for-windows-xp). I just wanted to add a tag and add a link to CamStudio, but I can't save it. I'm being told

>please do not use these words in titles: 'Problem'.

Well, I wish I could. But the software the user is talking about is named "Problem Step Recorder" and, if the word mustn't be used in a title, how did it get there?

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Regarding
> if the word mustn't be used in a title, how did it get there?

I assume the question was asked before that filter was in place?