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Not sure - i actually didn't see any comments on that post.  But I agree it is a gray area and I too would love to hear if anyone else has any thoughts.

I didn't think there were any issues with the  blog being crawled. I'm not seeing any errors in webmaster tools, and I'm def not doing anything tricky on the server side. I don't even go near that stuff for fear of breaking summat. Really appreciate your help Barry. All the best,7 Pete