var unicode.Greek

3 uses

	unicode (current package)
		tables.go#L5236: 	"Greek":                  Greek,
		tables.go#L7266: 	Greek                  = _Greek                  // Greek is the set of Unicode characters in script Greek.

	golang.org/x/text/cases
		map.go#L510: 	if !unicode.Is(unicode.Greek, r) {