used, and will result in "numbering" using
all consecutive Unicode letters following the one provided. For example, specifying "x" will give the
sequence x, y, z, xx, xy, xz, yx, yy, yz, etc. Specifying the Greek letter alpha (&amp;#178;) will
 cause "numbering" using the Greek letters up to "Greek letter omega with tonos" (&amp;#206;).
 Only "i" and "I" (for roman numbering), and the Japanese characters listed above, are exceptions to this rule.</p>

<p>Successive format-tokens in the format are used