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  • Birgit Haupt thinks this is interesting:

So what about the copyright symbol (that’s ©)? And all those other symbols and foreign characters? You can look up common ones at this URL:

http://www.w3schools.com/tags/ref_entities.asp

or, for a more exhaustive list, use this URL:

http://www.unicode.org/charts/

From

Cover of Head First HTML and CSS, 2nd Edition

Note

Look-up reference links for special characters in HTML.