def ilist(self, in_list=[]):
new_list = IList(in_list)<EOL>new_list.set_std(self.features.get('<STR_LIT>'))<EOL>if not self._casemap_set:<EOL><INDENT>self._imaps.append(new_list)<EOL><DEDENT>return new_list<EOL>
Return a list that uses this server's IRC casemapping.

        All strings in this list are lowercased using the server's casemapping before inserting
        them into the list, and the ``in`` operator takes casemapping into account.