lucy24 - 8:29 pm on Jul 26, 2011 (gmt 0)
If there is no such related page, you should return 404
Wouldn't a 410 be more appropriate? It need not make any difference to humans-- you can use the same physical page for both-- but a 410 at least tells search engines "Yes, I know it's not there, I removed it on purpose."
:: memo to self: figure out best Forum to raise intriguing question of what proportion of our htaccess now exists solely for the use of search engines ::