const vendor/golang.org/x/net/idna.xorBit
2 uses
vendor/golang.org/x/net/idna (current package)
trie.go#L13: if c&xorBit == 0 {
trieval.go#L46: xorBit = 0x4 // interpret the index as an xor pattern
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)