n class="refpurpose"> - Plus image</span></dt><dt><span class="refentrytitle"><a href="#minus.image">minus.image</a></span><span class="refpurpose"> - Minus image</span></dt><dt><span class="refentrytitle"><a href="#hidetoc.image">hidetoc.image</a></span><span class="refpurpose"> - Hide ToC image</span></dt><dt><span class="refentrytitle"><a href="#showtoc.image">showtoc.image</a></span><span class="refpurpose"> - Show ToC image</span></dt></dl></div><div class="refentry" lang="en"><a name="graphics.dir"></