%set(name,url-encode)
%set(syntax,%%url-encode(string))
%set(description,Encodes string for use in a URL.)
%set(author,)
%set(example,http://www.redirect.com/?redirect=%%url-encode(http://www.google.com/)

returns:
http://www.redirect.com/?redirect=http%%3A%%2F%%2Fwww.google.com%%2F)
%set(seealso,)
