st</span> <span class="identifier">char_type</span> <span class="identifier">standard_format_specifier</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">iso_format_specifier</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="identifier">iso_format_extended_specifier</spa