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Special characters in titles versus the URL - truth or fiction?

Long ago, I had problems with special characters in the titles of my articles. Now it appears perhaps HubPages has programmed a solution for this? Is this true just for HubPages or for all sites? For example, if I use "&" in a title, as I remember it, it would translate to "%$&?" or something similar. Now when I run this test through HubPages it translates readily to just "-". Questions: 1.) Has HP programmed this fix? 2.) Is this fix on other websites too? I am attaching a snippet of this test for your review. Thanks for helping me understand this technology.

placeholder text for bug in Chrome