var golang.org/x/net/http2.disableExtendedConnectProtocol
2 uses
golang.org/x/net/http2 (current package)
http2.go#L49: disableExtendedConnectProtocol = true
http2.go#L63: disableExtendedConnectProtocol = false
The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)