t has a single function called <tt>macro_MacroName(macro,&nbsp;arg1,&nbsp;arg2,&nbsp;...)</tt>, which is the entry-point. <span class="anchor" id="line-138"></span><span class="anchor" id="line-139"></span><ul><li><p class="line862">the first argument <em>macro</em> is an instance of class Macro, and also evaluates to a string of the macroname, <span class="anchor" id="line-140"></span></li><li>arguments arg1, arg2, ... are the arguments given by the user, but special rules apply, see below. <span class="an