It appears related to the use of the “site” directive.
Doesn’t happen if CNN.com is directed.
Yes it appears to be related.. but I use this to find my old replies
site:www.freerepublic.com williamofcarmichael
There's no warnings.
In my reply above the site search of FR gets the warning and this additional parameter added to the path
2Fdcclothesline.com%2F2013%2F10%2F14%2Fbombshell-long-time-clinton-associate-says-killed-people-bill-hillary