public boolean isFeature(String feature) {
		Boolean result = features.get(feature);
		return (result != null) ? result : false;
	}
public boolean isFeature ( String feature ) { Boolean result = features . get ( feature ) ; return ( result != null ) ? result : false ; }
Checks the value of the specified feature. Will return false for features
that have not been specified. Implementations should rely on
{@link #contains(String)} in addition to this method.

@param feature
The feature to check
@return If the feature is true.