Bug 128425 [Help] Help button should not show up in dialogs without help context ID
I20060216-2000 The Help button should not show up in dialogs without help context ID. Examples in this build are the 'Source > Clean Up...' wizard or 'plugin context menu > PDE Tools > Organize Manifests...'.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/TrayDialog.java
private static boolean dialogHelpAvailable;
	/*
	 * The dialog's tray (null if none).
	 */
	private DialogTray tray;
	/*
	 * The tray's control.
	 */
	private Control trayControl;
	
	/*
	 * The separator to the left of the sash.
	 */
	private Label leftSeparator;