Bug 95548 Editors page not sized properly on startup
build N20050517, open preferences dialog to editors page (under General). now close and open the dialog again and note that the dialog is too short.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
versep.setLayoutData(verGd);
		versep.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, true));
		
		Composite pageAreaComposite = new Composite(composite, SWT.NONE);
		pageAreaComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
		GridLayout layout = new GridLayout(1, true);
		layout.marginHeight = 0;
		layout.marginWidth = IDialogConstants.HORIZONTAL_MARGIN;
		pageAreaComposite.setLayout(layout);
		
	
		
		
		Composite titleComposite = new Composite(pageAreaComposite, SWT.NONE);
		layout = new GridLayout();
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		layout.verticalSpacing = 0;
		layout.horizontalSpacing = 0;
		titleComposite.setLayout(layout);
		titleComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		createTitleArea(titleComposite);
		
		Label separator = new Label(pageAreaComposite, SWT.HORIZONTAL | SWT.SEPARATOR);
		separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
		
		
		
		pageContainer = createPageContainer(pageAreaComposite);