 <!-- Document Type Declaration for toolbar configuration xml files. -->

  <!-- Root element of toolbar configuration. It's a list of Rows. -->
  <!ELEMENT Configuration (Row+)>

  <!-- Toolbar configuration row. It's a list of Toolbars. -->
  <!ELEMENT Row (Toolbar*)>

  <!-- Toolbar configuration Toolbar. It contains name of toolbar,
  it's position and switch of toolbar visibility. -->
  <!ELEMENT Toolbar EMPTY>
  <!ATTLIST Toolbar
    name CDATA #REQUIRED
    position CDATA #IMPLIED
    visible (true | false) #IMPLIED
  >
