I am frequently disappointed when I find that notecards written in one viewer are literally spoiled in others. It's because the lengths of the = and - characters are different in different viewers. Those characters are commonly used for lines in instructions, and lines in one viewer can be almost half as long again, or shorter by a third in another viewer. Also tabs vary in width in different viewers. I'm assuming that different TPVs choose different fonts for notecards and, if that's true,