From 2b1a1742e34d281dcd49734ba84ff29d955c580b Mon Sep 17 00:00:00 2001
From: "Taylor C. Richberger" <Taywee@gmx.com>
Date: Sat, 14 May 2016 18:02:39 -0600
Subject: empty group helps don't show up in help menu generation or influence
 indent

---
 Doxyfile |  2 +-
 args.hxx | 19 ++++++++++++-------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/Doxyfile b/Doxyfile
index d36814d..11391a7 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "args"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 4.1.3
+PROJECT_NUMBER         = 4.1.4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/args.hxx b/args.hxx
index 17f9a3d..e0d6f54 100644
--- a/args.hxx
+++ b/args.hxx
@@ -496,8 +496,8 @@ namespace args
             std::function<bool(const Group &)> validator;
 
         public:
-            Group(const std::string &help, const std::function<bool(const Group &)> &validator = Validators::DontCare) : Base(help), validator(validator) {}
-            Group(Group &group, const std::string &help, const std::function<bool(const Group &)> &validator = Validators::DontCare) : Base(help), validator(validator)
+            Group(const std::string &help = std::string(), const std::function<bool(const Group &)> &validator = Validators::DontCare) : Base(help), validator(validator) {}
+            Group(Group &group, const std::string &help = std::string(), const std::function<bool(const Group &)> &validator = Validators::DontCare) : Base(help), validator(validator)
             {
                 group.Add(*this);
             }
@@ -645,16 +645,21 @@ namespace args
 
             /** Get all the child descriptions for help generation
              */
-            std::vector<std::tuple<std::string, std::string, unsigned int>> GetChildDescriptions(const std::string &shortPrefix, const std::string &longPrefix, const std::string &shortSeparator, const std::string &longSeparator, unsigned int indent = 0) const
+            std::vector<std::tuple<std::string, std::string, unsigned int>> GetChildDescriptions(const std::string &shortPrefix, const std::string &longPrefix, const std::string &shortSeparator, const std::string &longSeparator, const unsigned int indent = 0) const
             {
                 std::vector<std::tuple<std::string, std::string, unsigned int>> descriptions;
                 for (const auto &child: children)
                 {
                     if (const Group *group = dynamic_cast<Group *>(child))
                     {
-                        // Push that group description on the back:
-                        descriptions.emplace_back(group->help, "", indent);
-                        std::vector<std::tuple<std::string, std::string, unsigned int>> groupDescriptions(group->GetChildDescriptions(shortPrefix, longPrefix, shortSeparator, longSeparator, indent + 1));
+                        // Push that group description on the back if not empty
+                        unsigned char addindent = 0;
+                        if (!group->help.empty())
+                        {
+                            descriptions.emplace_back(group->help, "", indent);
+                            addindent = 1;
+                        }
+                        std::vector<std::tuple<std::string, std::string, unsigned int>> groupDescriptions(group->GetChildDescriptions(shortPrefix, longPrefix, shortSeparator, longSeparator, indent + addindent));
                         descriptions.insert(
                             std::end(descriptions),
                             std::make_move_iterator(std::begin(groupDescriptions)),
@@ -825,7 +830,7 @@ namespace args
                 bool showProglinePositionals = true;
             } helpParams;
             ArgumentParser(const std::string &description, const std::string &epilog = std::string()) :
-                Group("options", Group::Validators::AllChildGroups),
+                Group("", Group::Validators::AllChildGroups),
                 description(description),
                 epilog(epilog),
                 longprefix("--"),
-- 
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