<?xml version="1.0"?> <clause number="9.4.4.6" title="The null literal"> <paragraph> <grammar_production><name><non_terminal where="9.4.4.6">null-literal</non_terminal></name> :: <rhs><keyword>null</keyword></rhs></grammar_production> </paragraph> <paragraph>The type of a <non_terminal where="9.4.4.6">null-literal</non_terminal> is the null type. </paragraph> </clause>