Font font= JFaceResources.getFont(org.eclipse.jdt.ui.PreferenceConstants.EDITOR_TEXT_FONT);
fPreviewViewer.getTextWidget().setFont(font);
IDocument document= new Document(PREVIEW_SOURCE);
IDocumentPartitioner partitioner = new ClojurePartitioner(new ClojurePartitionScanner(),
ClojurePartitionScanner.CLOJURE_CONTENT_TYPES);
Map<String, IDocumentPartitioner> m = new HashMap<String, IDocumentPartitioner>();
m.put(ClojurePartitionScanner.CLOJURE_PARTITIONING, partitioner);