+# Uncomment the following line to enable Experimental Proxy Protocol
+# EXPERIMENTAL_PROXY=yes
+
+# Uncomment the following line to enable support for checking certificate
+# ownership
+# EXPERIMENTAL_CERTNAMES=yes
+
+# Uncomment the following line to add DANE support
+# Note: Enabling this unconditionally overrides DISABLE_DNSSEC
+# EXPERIMENTAL_DANE=yes
+
+# Uncomment the following line to add SOCKS support
+# EXPERIMENTAL_SOCKS=yes
+
+# Uncomment the following to add Internationalisation features. You need to
+# have the IDN library installed.
+# EXPERIMENTAL_INTERNATIONAL=yes
+# LDFLAGS += -lidn