nt></p>

<p>This platonic <font size="6">A</font> is different than <font size="6">B</font>, and different from <font size="6">a</font>, but the same as <font size="6" face="arial,helvetica,sans serif">A</font> and <i><b><font size="6">A</font></b></i> and A. The idea that A in a Times New Roman font is the same character as the A in a Helvetica font, but <em>different</em> from "a" in lower case, does not seem very controversial, but in some languages just figuring out what a letter <em>is</em> can cause