Was the "t" here intentional? Because it looked like a typo to me, but I [reproduced it faithfully in the translation to `rx`](https://github.com/MerelyAPseudonym/clojure-mode/commit/06ed2c37c1b462152e5d3b23a8e8caafc2cff578#diff-50632fdcf67b6d3c8505a6aa071a2bd0L99).