<p>The feature name is any fully-qualified URI. It is
possible for an XMLReader to expose a feature value but
to be unable to change the current value.
Some feature values may be immutable or mutable only
in specific contexts, such as before, during, or after
a parse.</p>
@param name The feature name, which is a fully-qualified URI.
@param value The requested value of the feature (true or false).
@exception org.xml.sax.SAXNotRecognizedException If the feature
value can't be assigned or retrieved.
@exception org.xml.sax.SAXNotSupportedException When the
XMLReader recognizes the feature name but
cannot set the requested value.
@see #getFeature
Set the value of a feature flag.
<p>The feature name is any fully-qualified URI. It is possible for an XMLReader to expose a feature value but to be unable to change the current value. Some feature values may be immutable or mutable only in specific contexts, such as before, during, or after a parse.</p>
<p>All XMLReaders are required to support setting http://xml.org/sax/features/namespaces to true and http://xml.org/sax/features/namespace-prefixes to false.</p>
@param name The feature name, which is a fully-qualified URI. @param value The requested value of the feature (true or false). @exception org.xml.sax.SAXNotRecognizedException If the feature value can't be assigned or retrieved. @exception org.xml.sax.SAXNotSupportedException When the XMLReader recognizes the feature name but cannot set the requested value. @see #getFeature