Bug 98332 [JFace] DialogSettings does not handle null cases, replaces tabs with spaces
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/DialogSettings.java
return section;
    }
    /* (non-Javadoc)
     * Method declared on IDialogSettings.
     */
    public void addSection(IDialogSettings section) {
        sections.put(section.getName(), section);
    }
    /* (non-Javadoc)
     * Method declared on IDialogSettings.
     */
    public String get(String key) {
        return (String) items.get(key);
    }
    /* (non-Javadoc)
     * Method declared on IDialogSettings.
     */
    public String[] getArray(String key) {
        return (String[]) arrayItems.get(key);
    }
    /* (non-Javadoc)
     * Method declared on IDialogSettings.
     */
    public boolean getBoolean(String key) {
        return new Boolean((String) items.get(key)).booleanValue();
    }
    /* (non-Javadoc)
     * Method declared on IDialogSettings.
     */
    public double getDouble(String key) throws NumberFormatException {