From bd21176187a55fa7f6e80b5cfe86f5e756971b4f Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 3 Dec 2015 19:27:08 +0200
Subject: Fix unused argument warning

---
 cli/source.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cli/source.cxx b/cli/source.cxx
index 58637c8..38df449 100644
--- a/cli/source.cxx
+++ b/cli/source.cxx
@@ -1007,7 +1007,7 @@ namespace
 
         os << "void " << name << "::" << endl
            << "_parse (" << cli << "::scanner& s," << endl
-           << um << " opt_mode," << endl
+           << um << (pfx ? " opt_mode" : "") << "," << endl
            << um << " arg_mode)"
            << "{";
 
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