At the bottom of the page (after References and External Links etc) are multiple collapsible info boxes. For example, Orson Welles has one for an AFI Life Achievement Award, which Washington has also received.
This feels like it would be either an advanced technique in wiki ball, or houseruled out. I personally think it definitely counts as a link in the article, though.
On the subject of the translations, I believe you may be talking about revisions that Jansson made to the stories later on [1], not a translator fancying themselves an author. The latter seems kind of like a big no-no, so I just wanted to dispel that notion.
This feels like it would be either an advanced technique in wiki ball, or houseruled out. I personally think it definitely counts as a link in the article, though.