code: public static FidelityOptions createStrict() {
  		FidelityOptions fo = new FidelityOptions();
  
  		fo.options.add(FEATURE_STRICT);
  		fo.isStrict = true;
  
  		return fo;
  	}
docs: Creates fidelity options using strict option. Note: no namespace
  prefixes, comments etc are preserved nor schema deviations are allowed.
  
  @return default fidelity options