on line #226 find the following:
alert("Hyperlink Tag \nTurns an url into a hyperlink.\n\nUSE: [url]http://www.anywhere.com[/url]\n\nUSE: [url=http://www.anywhere.com]link text[/url]");
and change it so it looks like this:
alert("Hyperlink Tag \nTurns an url into a hyperlink.\n\nUSE: [url]http://www.anywhere.com[/url]\n\nUSE: [url=\"http://www.anywhere.com\"]link text[/url]");