2 0x00, '<td rowspan="8" colspan="16" class="X di-a"'.
3 ' title="U+0000 – U+007F">single byte ASCII',
4 0x80, '<td rowspan="4" colspan="16" class="X di-d"'.
5 '>multi-byte continuation',
6 0xC0, '<td colspan="2" class="X di-b" style="border-right:none; border-bottom:none"'.
7 ' title="U+0000 – U+007F">(overl.)',
8 0xC2, '<td rowspan="2" colspan="14" class="X di-prop" style="border-left:none"'.
9 ' title="U+0080 – U+03FF">2-byte sequence start',
10 0xD0, '<td rowspan="1" colspan="16" class="X di-prop" style="border-top:none"'.
11 ' title="U+0400 – U+07FF">',
12 0xE0, '<td colspan="16" class="X di-prop"'.
13 ' title="U+0800 – U+FFFF">3-byte sequence start',
14 0xF0, '<td colspan="5" class="X di-prop" style="border-right:none"'.
15 ' title="U+1·0000 – U+10·FFFF">4-byte sequence',
16 0xF5, '<td colspan="3" class="X di-b" style="border-left:none"'.
17 ' title="U+11·0000 – U+1FF·FFFF">(overflow)',
18 0xF8, '<td colspan="4" class="X di-b"'.
19 ' title="U+200·0000 – U+3FFF·FFFF">5-byte',
20 0xFC, '<td colspan="2" class="X di-b"'.
21 ' title="U+4000·0000 – 7FFFF·FFFF">6-byte',
22 0xFE, '<td colspan="2" class="di-invalid">invalid',
26 return defined $utf8byte{$_[0]} ? $utf8byte{$_[0]} : ();