the block is the same as library for each, but runs once each time you click the block, and the next time, it runs with the next item. however, after the last time, the next two times don't work. try and click on the script 12 times. I need help fixing this.
I thought I discovered that the default value for a custom upvar is the name of it on the outside, butand I discovered a bug which is caused by an empty definition.