const encoding/json.caseMask

8 uses

	encoding/json (current package)
		fold.go#L13: 	caseMask     = ^byte(0x20) // Mask to ignore case in ASCII.
		fold.go#L40: 		upper := b & caseMask
		fold.go#L69: 				sbUpper := sb & caseMask
		fold.go#L71: 					if sbUpper != tb&caseMask {
		fold.go#L119: 			if sb&caseMask != tb&caseMask {
		fold.go#L138: 		if b&caseMask != t[i]&caseMask {