`==` is numeric comparison. `===` does what we want here.
(This will need to be updated)
Issues: The script that generates doc.perl6.org doesn't recognize these as Operators in this state. It seems to look for lines with a single word after a =head2; it would be cleaner and less hacky to have a specific formatting code for this, perhaps using either X<graphs|graphs,methods> or something with D<>
Links like this should probably handled by L<doc:*>, but NYI