zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/digest.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/digest.d
new file mode 100644
index 0000000..5cdd925
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/digest.d
@@ -0,0 +1,11 @@
+Long: digest
+Help: Use HTTP Digest Authentication
+Protocols: HTTP
+Mutexed: basic ntlm negotiate
+See-also: user proxy-digest anyauth
+---
+Enables HTTP Digest authentication. This is an authentication scheme that
+prevents the password from being sent over the wire in clear text. Use this in
+combination with the normal --user option to set user name and password.
+
+If this option is used several times, only the first one is used.