code: func obfuscateEmail(email string) template.HTML {
  	email = template.HTMLEscapeString(email)
  	return template.HTML(strings.Replace(
  		email, "@", "<span style=\"display:none\">ohnoyoudont</span>@", -1))
  }
docs: // obfuscateEmail converts a string containing email adddress email@address.com
  // into email<junk>@address.com.