From 9a454c8e4e2b1356f356627bad6e3b932efd23c3 Mon Sep 17 00:00:00 2001
From: Akos Kiss <akiss@inf.u-szeged.hu>
Date: Thu, 4 Jun 2020 05:21:51 +0200
Subject: [PATCH] Improve help of short-only options (remove dangling comma)
 (#235)

---
 include/cxxopts.hpp | 6 +++++-
 src/example.cpp     | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/cxxopts.hpp b/include/cxxopts.hpp
index e47cb81..97381a9 100644
--- a/include/cxxopts.hpp
+++ b/include/cxxopts.hpp
@@ -1468,7 +1468,11 @@ namespace cxxopts
 
       if (!s.empty())
       {
-        result += "-" + toLocalString(s) + ",";
+        result += "-" + toLocalString(s);
+        if (!l.empty())
+        {
+          result += ",";
+        }
       }
       else
       {
diff --git a/src/example.cpp b/src/example.cpp
index c94025b..9b6ea88 100644
--- a/src/example.cpp
+++ b/src/example.cpp
@@ -49,6 +49,7 @@ parse(int argc, char* argv[])
       ("i,input", "Input", cxxopts::value<std::string>())
       ("o,output", "Output file", cxxopts::value<std::string>()
           ->default_value("a.out")->implicit_value("b.def"), "BIN")
+      ("x", "A short-only option", cxxopts::value<std::string>())
       ("positional",
         "Positional arguments: these are the arguments that are entered "
         "without an option", cxxopts::value<std::vector<std::string>>())