DEBUG: render result and diff below body only on browser

DEBUG: render result below body only on browser

DEBUG: render result below body

DEBUG: fix build

DEBUG: show render result as ViewTemplate

core/modules/filters/serializeparsetree.js

@@ -0,0 +1,29 @@
+/*\
+title: $:/core/modules/filters/serializeparsetree.js
+type: application/javascript
+module-type: filteroperator
+
+Filter operator for serializing JSON string of Abstract Syntax Tree (AST) of Wiki parse tree to a raw WikiText string.
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter function
+*/
+exports.serializeparsetree = function(source,operator,options) {
+	var results = [];
+	source(function(tiddler,title) {
+		var parseTreeObject = $tw.utils.parseJSONSafe(title);
+		if(parseTreeObject) {
+			results.push($tw.utils.serializeParseTree(parseTreeObject));
+		}
+	});
+	return results;
+};
+
+})();

core/ui/ViewTemplate/body/default.tid

@@ -6,3 +6,17 @@ code-body: yes
 <$transclude tiddler="$:/language/MissingTiddler/Hint"/>
 
 </$transclude>
+
+<%if [[$:/info/browser]text[yes]] %>
+  <$wikify text={{!!text}} name=parsetree output=parsetree >
+    <$let text2={{{[<parsetree>serializeparsetree[]]}}}>
+      <$wikify name=rendered text=<<text2>> output=html >
+
+        <$diff-text source={{!!text}} dest=<<text2>>/>
+
+        <<rendered>>
+
+      </$wikify>
+    </$let>
+  </$wikify>
+<%endif%>