Welcome! Please see the About page for a little more info on how this works.
I think this is a minor formatting issue, related to arg vectors and other binding forms in a lot of the original Jira text, particularly code examples.
For instance, [^double x] gets coerced to (link: ^double x).
As in https://ask.clojure.org/index.php/3317/support-type-hinted-overrides-of-function-parameters and
I saw this pattern in the compiler tagged posts by jira, and divulged it may be an unintentional mechanical transform (no idea if it's widespread).
Can you point at an example?