White space in empty lines is not highlighted - (bug/feature request)

[TeRq]

When i make diff between: OLD

aaa

bbb

NEW

aaa
 
bbb

there is a space in 'NEW' version in empty line. Those space is not highlighted, it could be inside

<ins> </ins>

and additionally css:

.Differences ins, .Differences del {
    text-decoration: none;
    white-space: pre-wrap;
}