See the blank lines added here: https://en.wikipedia.org/w/index.php?title=Jamil_Smith_(journalist)&diff=prev&oldid=831509339&diffmode=source
The addition is visible in the diff (before saving).
Reported by User:Innisfree987 at https://en.wikipedia.org/w/index.php?title=Wikipedia:Village_pump_(technical)&oldid=831511819#Bug_adding_lines_of_blank_text