I've got a simple Rewriter demo here,
https://codepen.io/cfjedimaster/pen/KwVoXZz, and it works fine, but last night in a presentation I saw something crazy.
I did my usual demo - selected casual and shorter and ran it on the source input. The result was as expected. Then for fun, I took _that_ output, copied, pasted into the textarea, and ran it again, which in the past has created an even more casual shorter version. Heck, I think I've done it like 5 times in a row once.
Last night though (and just now), it consistently translates the input to Spanish.
Now, I know I can specify expected input and output languages and I'm pretty sure it would fix it, but as this is new behavior, I figured I'd share.