Odd ... I just reviewed What shortcuts can I use for linking to other information? and see that [...] isn't documented. But it *does* work, as that's the link method I use most frequently. (In fact, it's how I linked the node above.)

Now that I see [id://...], I'll use that as the preferred form since I like saving keystrokes here and there...

...roboticus

Update: Even more odd... [Super Search] will take you to Super Search, but [id://Super Search] won't. It just appears as [id://Super Search] in the message body.