Fix: Extra emphasis (#8)

Author: neolithos

NeoMarkdigXaml/Renderers/XamlInlineRenderer.cs

@@ -97,12 +97,12 @@ private static bool WriteSpan(XamlMarkdownWriter renderer, EmphasisInline span)
 				case '_': // italic
 					renderer.WriteStartObject(typeof(Italic));
 					return true;
-				case '~': // 1x strike through, 2x subscript
+				case '~': // 2x strike through, 1x subscript
 					renderer.WriteStartObject(typeof(Span));
 					if (span.DelimiterCount == 2)
-						renderer.WriteResourceMember(null, MarkdownXamlStyle.Subscript);
-					else
 						renderer.WriteResourceMember(null, MarkdownXamlStyle.StrikeThrough);
+					else
+						renderer.WriteResourceMember(null, MarkdownXamlStyle.Subscript);
 					return true;
 				case '^': // 1x superscript
 					renderer.WriteStartObject(typeof(Span));