Enrico Forestieri wrote: > Omitting step 6 above, everything is ok. So, maybe I am only being picky.
No, it is good you found that out. Neither navigating with the cursor keys around nor undo/redo should ever produce such an infinite loop. I guess the reason is similar to the one of the fixed problem: mathed copy/paste is not always equivalent to the original, because e.g. empty cells are sometimes swallowed. Georg