Make use of type attribute consistent

core/modules/widgets/transclude.js

@@ -231,7 +231,8 @@ TranscludeWidget.prototype.getTransclusionTarget = function() {
 						this.transcludeIndex,
 						{
 							parseAsInline: parseAsInline,
-							subTiddler: this.transcludeSubTiddler
+							subTiddler: this.transcludeSubTiddler,
+							defaultType: this.transcludeType
 						});
 	}
 	// Return the parse tree

core/modules/wiki.js

@@ -1029,10 +1029,11 @@ exports.parseTextReference = function(title,field,index,options) {
 };
 
 exports.getTextReferenceParserInfo = function(title,field,index,options) {
-	var tiddler,
+	var defaultType = options.defaultType || "text/vnd.tiddlywiki",
+		tiddler,
 		parserInfo = {
 			sourceText : null,
-			parserType : "text/vnd.tiddlywiki"
+			parserType : defaultType
 		};
 	if(options.subTiddler) {
 		tiddler = this.getSubTiddler(title,options.subTiddler);

editions/test/tiddlers/tests/data/transclude/Typed.tid

@@ -0,0 +1,38 @@
+title: Transclude/Typed
+description: Typed transclusion
+type: text/vnd.tiddlywiki-multiple
+tags: [[$:/tags/wiki-test-spec]]
+
+title: Output
+
+\procedure testproc()
+This is ''wikitext''
+\end
+
+<$transclude $variable="testproc"/>
+-
+<$transclude $variable="testproc" $type="text/plain"/>
+
+<$transclude $tiddler="Data" $index="testindex"/>
+-
+<$transclude $tiddler="Data" $index="testindex" $type="text/plain"/>
+
+<$transclude $tiddler="Data" $field="custom"/>
+-
+<$transclude $tiddler="Data" $field="custom" $type="text/plain"/>
++
+title: Data
+type: application/x-tiddler-dictionary
+custom: This is ''wikitext''
+
+testindex: This is ''wikitext''
++
+title: ExpectedResult
+
+<p>This is <strong>wikitext</strong>
+-
+<pre><code>This is ''wikitext''</code></pre></p><p>This is <strong>wikitext</strong>
+-
+<pre><code>This is ''wikitext''</code></pre></p><p>This is <strong>wikitext</strong>
+-
+<pre><code>This is ''wikitext''</code></pre></p>