Changes indexing to conditional operator

And closes #1851 for the third time. This must have been like the most
closed issue, ever.

doc/Language/operators.pod6

@@ -1922,7 +1922,7 @@ my %loser = points => 20, misses => 10;
 
 =head1 Conditional Operator Precedence
 
-=head2 infix C<?? !!> X<|⁇ ‼>
+=head2 infix C<?? !!> X<|operator,conditional>
 
 Also called X<Ternary operator|?? !!> or conditional operator.