in reply to Searching only for root nodes

One would not*, currently. I am guessing the reason you wish to do this is due to both the execssive number of hits (one for each response in the thread), It has been recently suggested (I think I did) that searches actually exclude titles, so that bad matches don't make it into the result list.

PS> You can't search for XML, at least not without using google to search thepen.

* If you use the google interface to thepen enter Re: in the "without the words" field.

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perl -pew "s/\b;([mnst])/'$1/g"