Fix: Super, Subscript

Author: neolithos

NeoMarkdigXaml/MarkdownXaml.cs

@@ -94,7 +94,7 @@ public static object ToXaml(string markdown, XamlWriter writer, MarkdownPipeline
 		{
 			if (writer == null)
 				throw new ArgumentNullException(nameof(writer));
-			pipeline = pipeline ?? new MarkdownPipelineBuilder().Build();
+			pipeline ??= new MarkdownPipelineBuilder().Build();
 
 			var renderer = new XamlMarkdownWriter(writer) { BaseUri = baseUri };
 			pipeline.Setup(renderer);
@@ -105,7 +105,8 @@ public static object ToXaml(string markdown, XamlWriter writer, MarkdownPipeline
 
 		public static MarkdownPipelineBuilder UseXamlSupportedExtensions(this MarkdownPipelineBuilder pipeline)
 		{
-			if (pipeline == null) throw new ArgumentNullException(nameof(pipeline));
+			if (pipeline == null) 
+				throw new ArgumentNullException(nameof(pipeline));
 			return pipeline
 				.UseEmphasisExtras()
 				.UseGridTables()

NeoMarkdigXaml/Renderers/XamlInlineRenderer.cs

@@ -97,22 +97,22 @@ private static bool WriteSpan(XamlMarkdownWriter renderer, EmphasisInline span)
 				case '_': // italic
 					renderer.WriteStartObject(typeof(Italic));
 					return true;
-				case '~': // strike through
-					renderer.WriteStartObject(typeof(Span));
-					renderer.WriteResourceMember(null, MarkdownXamlStyle.StrikeThrough);
-					return true;
-				case '^': // superscript, subscript
+				case '~': // 1x strike through, 2x subscript
 					renderer.WriteStartObject(typeof(Span));
 					if (span.DelimiterCount == 2)
-						renderer.WriteResourceMember(null, MarkdownXamlStyle.Superscript);
-					else
 						renderer.WriteResourceMember(null, MarkdownXamlStyle.Subscript);
+					else
+						renderer.WriteResourceMember(null, MarkdownXamlStyle.StrikeThrough);
+					return true;
+				case '^': // 1x superscript
+					renderer.WriteStartObject(typeof(Span));
+					renderer.WriteResourceMember(null, MarkdownXamlStyle.Superscript);
 					return true;
-				case '+': // underline
+				case '+': // 2x underline
 					renderer.WriteStartObject(typeof(Span));
 					renderer.WriteResourceMember(null, MarkdownXamlStyle.Inserted);
 					return true;
-				case '=': // Marked
+				case '=': // 2x Marked
 					renderer.WriteStartObject(typeof(Span));
 					renderer.WriteResourceMember(null, MarkdownXamlStyle.Marked);
 					return true;