When I use a font of 8pt, sometimes you can see the underline and sometimes you can't unless you zoom to something other than 100%. Like at 90%, and 120% you seem to be able to see all the underlines, but not at 100%. If I use the wpdrawfineunderlines option, it seems to work just fine at any zoom level or font size (editor or print preview). However, the line thickness in this case does not change at different zoom levels or font sizes... it is always thin.
Am I missing an option for drawing the underline at a *minimum* thickness so that it will draw the lines *at least* a certain thickness and still allow thicker underlines?