upperAlpha property
Uppercase ASCII letters (e.g., A, B, C, ..., Z, AA, AB).
Implementation
static final upperAlpha = CounterStyle.define(
name: 'upper-alpha',
system: System.alphabetic,
symbols: [
'A',
'B',
'C',
'D',
'E',
'F',
'G',
'H',
'I',
'J',
'K',
'L',
'M',
'N',
'O',
'P',
'Q',
'R',
'S',
'T',
'U',
'V',
'W',
'X',
'Y',
'Z'
],
);