I have a quick question...

In my referrer log, i saw a link to one of my posts:
[url=http://www.thechristianalert.org/blog/index.php/TheBlog/2005/09/02/gorilla%5Fmy%5Flove]/TheBlog/2005/09/02/gorilla%5Fmy%5Flove[/url]

When I go there, I get a Sorry, there is no post to display...

However, if I replace the "%5F" with the "_", then it finds the article
[url=http://www.thechristianalert.org/blog/index.php/TheBlog/2005/09/02/gorilla_my_love]/TheBlog/2005/09/02/gorilla_my_love[/url]

Does anybody know why this happens?

Thanks.

Edgar.