Why is there a lime-green space in the middle of a sentence in the second paragraph? That was so distracting I failed to read the rest of the post. It's very i

Why is there a lime-green space in the middle of a sentence in the second paragraph? That was so distracting I failed to read the rest of the post. It's very intentional, too, the markup goes: although&nbsp;a<span style="background-color: lime;"> </span>somewhat Could it be a remnant of some grammar-correction tool?