td><td>
<p>The font's line gap, i.e., the distance to add to the ascender and descender to get the BTB, i.e., the baseline-to-baseline distance for the font.</p>
</td></tr>
<tr valign=top><td><b>advance_Height_Max</b></td><td>
<p>This field is the maximum of all advance heights found in the font. It can be used to compute the maximum height of an arbitrary string of text.</p>
</td></tr>
<tr valign=top><td><b>min_Top_Side_Bearing</b></td><td>
<p>The minimum top side bearing of all glyphs within the font.</p>