- <entry><option>-X=FunctionalDependencies</option></entry>
- </row>
- <row>
- <entry><option>-X=GeneralizedNewtypeDeriving</option></entry>
- <entry>Enable <link linkend="newtype-deriving">newtype deriving</link>.</entry>
- <entry>dynamic</entry>
- <entry><option>-X=GeneralizedNewtypeDeriving</option></entry>