var net/textproto.isTokenTable
3 uses
net/textproto (current package)
reader.go#L616: return int(b) < len(isTokenTable) && isTokenTable[b]
reader.go#L712: var isTokenTable = [127]bool{
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)