mal vertical boundaries, perhaps extending into the space occupied by text on the next or previous line. This metric is the minimum height to guarantee being able to display such a character.</DD>
<DT>
<STRONG>
Above Box</STRONG>
</DT><DD>Normally the top of the font box, the uppermost limit of a font, is 3/4 of the font's height above the baseline. For those fonts which do not follow this rule, the Above Box metric is the number of points by which the true font box extends beyond the normal font box.</DD>
