SecondFill, meaning both fill amounts are measured as &ldquo;lengths&rdquo; <b>from the
<abbr title="left side of the bar, unless you use a &ldquo;leftwards&rdquo; bar, then it is the right side.">starting side<abbr> of the bar</b> rather than SecondFill measured starting
from where FirstFill's edge is at. Here is an example:<br>
<img src="SecondFillTreatedAsOverlap.png"><br><br>
The perceived SecondFill would be: <kbd>SecondFill_Shown = max(SecondFill - FirstFill, 0)</kbd><br><br>
If you want SecondFill to