====== Class_diagram ======

//This is developer documentation//

    ........
         GUI
    
    Zim  ----1 Zim::Components::TreeView
          |--1 Zim::Components::PathBar
      |   `--1 Zim::Components::PageView
      |
    ..|.....
      |  DATA
      |  
      |-----1 Zim::History
      `-----1 Zim::Repository ----* Zim::Repository::*
                               |--* Zim::Page
                               `--* Zim::Formats::*
    ........
