I was dragging a call block, when all of the sudden it turned into this weird thing:
[scratchblocks](call (@addInput::grey ring)@addInput(@addInput::grey ring)::control)[/scratchblocks]
And it shows up in the palette, too. You can drag the left ring out to get this:[scratchblocks](call \[undefined]@addInput(@addInput::grey ring)::control)[/scratchblocks]
And now that I tried that, it's replaced in the palette with that. And also, if you put something in the right and drag it back out from that, you get this:[scratchblocks](call \[undefined]@addInput\[undefined]::control)[/scratchblocks]
Upon clicking this block, you get this: