ef="ft2-cache_subsystem.html#FTC_Node_Unref">FTC_Node_Unref</a> to &lsquo;release&rsquo; it.</p>
<p>If &lsquo;anode&rsquo; is NULL, the cache node is left unchanged, which means that the <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> could be flushed out of the cache on the next call to one of the caching sub-system APIs. Don't assume that it is persistent!</p>
<p>Calls to <a href="ft2-base_interface.html#FT_Set_Char_Size">FT_Set_Char_Size</a> and friends have no effect on cached glyphs; you sh