From a19ea88b1385b85b16070a84d287229a693093b5 Mon Sep 17 00:00:00 2001
From: Rick Strahl <rstrahl@west-wind.com>
Date: Mon, 4 Sep 2017 20:52:17 -0700
Subject: [PATCH] Change MarkdigExtensions configuration property to be a comma
 delimited string instead of + delimited as Markdig requires for its
 `Configure()` method.

---
 .../_Classes/Configuration/MarkdownOptionsConfiguration.cs  | 4 ++--
 .../_Classes/MarkdownParser/MarkdownParserMarkDig.cs        | 6 ++----
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/MarkdownMonster/_Classes/Configuration/MarkdownOptionsConfiguration.cs b/MarkdownMonster/_Classes/Configuration/MarkdownOptionsConfiguration.cs
index 5b86ae9f4..714073754 100644
--- a/MarkdownMonster/_Classes/Configuration/MarkdownOptionsConfiguration.cs
+++ b/MarkdownMonster/_Classes/Configuration/MarkdownOptionsConfiguration.cs
@@ -80,12 +80,12 @@ public string MarkdigExtensions
             get { return _markdigExtensions; }
             set
             {
-                if (value == _markdigExtensions) return;
+                if (value == _markdigExtensions) return;                
                 _markdigExtensions = value;
                 OnPropertyChanged();
             }
         }
-        private string _markdigExtensions = "emphasisextras+pipetables+gridtables+footers+footnotes+citations+attributes";
+        private string _markdigExtensions = "emphasisextras,pipetables,gridtables,footers,footnotes,citations,attributes";
         
         #endregion
 
diff --git a/MarkdownMonster/_Classes/MarkdownParser/MarkdownParserMarkDig.cs b/MarkdownMonster/_Classes/MarkdownParser/MarkdownParserMarkDig.cs
index 9fc04e233..6fc5306d5 100644
--- a/MarkdownMonster/_Classes/MarkdownParser/MarkdownParserMarkDig.cs
+++ b/MarkdownMonster/_Classes/MarkdownParser/MarkdownParserMarkDig.cs
@@ -122,15 +122,13 @@ protected virtual MarkdownPipelineBuilder CreatePipelineBuilder()
             {
                 if (!string.IsNullOrWhiteSpace(options.MarkdigExtensions))
                 {
-                    builder = builder.Configure(options.MarkdigExtensions);
+                    builder = builder.Configure(options.MarkdigExtensions.Replace(",","+"));
                 }
             }
             catch(ArgumentException ex)
             {
                 // One or more of the extension options is invalid. 
-                // Processing of the extensions stopped at this point.
-                // Log an error.
-                mmApp.Log(ex);
+                mmApp.Log("Failed to load Markdig extensions: " + options.MarkdigExtensions + "\r\n" + ex.Message,ex);
             }
 
             return builder;