Adds quietly as statement prefix refs #2034

doc/Language/statement-prefixes.pod6

@@ -77,6 +77,19 @@ Main difference between C<hyper> and C<race> is the ordering of results. Use
 C<hyper> if you need the loop results to be produced in order, C<race> if you
 don't care.
 
+=head2 X<C<quietly>|quietly (statement prefix)>
+
+As a statement prefix, C<quietly> suppresses all warnings produced by the
+statement it precedes.
+
+=for code
+sub marine() {};
+quietly say ~&marine; # OUTPUT: «marine␤»
+
+Calling L<C<.Str> on C<code> produces a warning|/type/Code#method_Str>.
+Preceding the statement with C<quietly > will just produce the output, the name
+of the routine.
+
 =end pod
 
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