Function normalizeShiftedLetterIdentityCodepoint

packages/pi-tui/src/keys.ts:360–366

(codepoint: number, modifier: number)

}

function normalizeShiftedLetterIdentityCodepoint(codepoint: number, modifier: number): number {
	const effectiveModifier = modifier & ~LOCK_MASK;
	if ((effectiveModifier & MODIFIERS.shift) !== 0 && codepoint >= 65 && codepoint <= 90) {
		return codepoint + 32;
	}
	return codepoint;
}

const LEGACY_KEY_SEQUENCES = {
	up: ["\x1b[A", "\x1bOA"],