From daa2cb663b5862cd9abbb1ca76eb98acc6a1500e Mon Sep 17 00:00:00 2001
From: Muxi Yan <mxyan@google.com>
Date: Tue, 6 Jun 2017 11:21:09 -0700
Subject: [PATCH] Add comment

---
 src/compiler/objective_c_plugin.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/compiler/objective_c_plugin.cc b/src/compiler/objective_c_plugin.cc
index 6fc612018b..ff980ae549 100644
--- a/src/compiler/objective_c_plugin.cc
+++ b/src/compiler/objective_c_plugin.cc
@@ -32,6 +32,10 @@
  */
 
 // Generates Objective C gRPC service interface out of Protobuf IDL.
+// For legacy reason, output filename of this plugin is by default in uppercamel
+// case with dash "-" treated as character and preserved in the output file
+// name. If normal upper camel case (dash treated as word separator) is desired,
+// use plugin option "filename-dash-as-separator".
 
 #include <memory>
 
-- 
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