"87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The small bitmap descriptor and its bit buffer are owned by the cache and should never be freed by the application. They might as well disappear from memory on the next cache lookup, so don't treat them as persistent data.</p>
<p>The descriptor's &lsquo;buffer&rsquo; field is set to&nbsp;0 to indicate a missing glyph bitmap.</p>
<p>If &lsquo;anode&rsquo; is <i>not</i> NULL, it receives the address of the cache node co