se local param will result 
 in a syntax error.
 </p>

 <p>
 In the examples below, the result of each query would be <code>XXX</code>....
 </p>
 <pre>
  q={!switch case.foo=XXX case.bar=zzz case.yak=qqq}foo
  q={!switch case.foo=qqq case.bar=XXX case.yak=zzz} bar  // extra whitespace
  q={!switch case.foo=qqq case.bar=zzz default=XXX}asdf   // fallback on default
  q={!switch case=XXX case.bar=zzz case.yak=qqq}          // blank input
 </pre>

 <p>
 A practical usage of this QParsePlugin, is in specifying 