<span> </span><span></span> <- when the trailing whitespace is trimmed the span runs' horizontal position need adjustment.
<rdar://problem/57546699>
Created attachment 384583 [details] Patch
Created attachment 384584 [details] Patch
Created attachment 384586 [details] Patch
Created attachment 384588 [details] Patch
*** This bug has been marked as a duplicate of bug 204749 ***