createViewerActions(viewer);
projectionSupport = new ProjectionSupport(viewer,new ProjectionAnnotationAccess(), colors);
projectionSupport.install();
messageDocumentFactory = new HttpMessageDocumentFactory();
final SearchBar sb = new SearchBar(this, viewer, colors);
sb.setLayoutData(CornerLayoutData.createTopRight());
highlightBar = new HighlightBar(this, viewer, colors);
highlightBar.setLayoutData(CornerLayoutData.createBottomRight());
setLayout(new CornerLayout(viewer.getTextWidget()));