I saved it and previewed it and it worked. I undid it to show my dad. When I looked at the text, I found that the computer had automatically entered some extra stuff for me (URL or something). I figured it'd just do it again so I erased it and entered the tags in exactly the same way, saved it, and then previewed it, and it didn't work. Since then, I've tried to redo it several times. Sometimes it enters the extra stuff for me and sometimes...