Visit https://en.wikipedia.org/wiki/Special:Contributions/Jdlrobson
Notice the gap between diff and pipe separator is bigger than that between hist and the pipe separator.
The problem is due to the fact that pipe-separator is defined as " | " rather than "| " and a space was added for accessibility reasons for screen reader BEFORE the pipe.
We need to find some way of collapsing 1 space in the HTML and 1 space in the CSS to 1 space to resolve this problem.
Also discussed at: https://en.wikipedia.org/wiki/Wikipedia:Village_pump_(technical)#Problems_with_edit_summaries