efinitions.html#TERMS_BASELINE">baseline</a>.
</p>

<p>
If you wish to change the distance between the two rules as
well, use the second optional argument <kbd>&lt;distance between
rules&gt;</kbd> (with a unit of measure).  Be aware that you must
give a value for the first optional argument if you want to use the
second.  The distance between the two rules is measured from the
bottom edge of the upper rule to the top edge of the lower one.
</p>

<p>
The weight (thickness) of double underscores may be contro