> • ./src/emacs -Q
> • In *scratch* at least twice:
> • Insert "aaa"
> • Undo
> • Select the entire buffer
> • Undo in region with prefix-arg 4
> • Observe the wrongful deletion of the string: "fer." in the Lisp
> comment.
A more concise recipe:
• ./src/emacs -Q
• In *scratch* insert "aaa"
• Undo
• Select the entire buffer
• Undo in region
• Observe the wrongful deletion of the period in the Lisp comment.