const vendor/golang.org/x/net/idna.rtl
2 uses
vendor/golang.org/x/net/idna (current package)
idna10.0.0.go#L464: return c&attributesMask == rtl
trieval.go#L56: rtl = 0x0800
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)