S or special 
  characters. These special characters MUST be in a quoted string to be used within 
  a parameter value (as defined in section 3.6).
 <p>
 <pre>
 token          = 1*<any CHAR except CTLs or separators>
 separators     = "(" | ")" | "<" | ">" | "@"
                | "," | ";" | ":" | "\" | <">
                | "/" | "[" | "]" | "?" | "="
                | "{" | "}" | SP | HT
 </pre>
 <p>
  A string of text is parsed as a single word if it is quoted using double-quote marks.
 </p>
 <pre>
 quot