From 2099a82b2b2f4be05d9a81b2840ec0ecea1e8f1c Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Wed, 30 Sep 2020 10:01:04 -0700
Subject: [PATCH] Handle edge case for help usage

---
 SabreTools.Library/Help/Help.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/SabreTools.Library/Help/Help.cs b/SabreTools.Library/Help/Help.cs
index 498276a9..075b4a5b 100644
--- a/SabreTools.Library/Help/Help.cs
+++ b/SabreTools.Library/Help/Help.cs
@@ -178,6 +178,13 @@ namespace SabreTools.Library.Help
             // Start building the output list
             List<string> output = new List<string>();
 
+            // If the feature name is null, empty, or just consisting of `-` characters, just show everything
+            if (string.IsNullOrEmpty(featurename?.TrimStart('-')))
+            {
+                OutputGenericHelp();
+                return;
+            }
+
             // Now try to find the feature that has the name included
             string realname = null;
             List<string> startsWith = new List<string>();