anchor.diff:      }
   
       view! {
  -        Window {
  +        gtk::Window {
               gtk::Box {
                   orientation: Vertical,
  -                Button {
  +                gtk::Button {
                       // By default, an event with one paramater is assumed.
                       clicked => Increment,
                       // Hence, the previous line is equivalent to:
                       // clicked(_) => Increment,
                       label: "+",
                   },
  -                Label {
  +                gtk::Label {
                       // Bind the text property of this Label to the counter attribute
                       // of the model.
                       // Every time the counter attribute is updated, the text property
                       // will be updated too.
                       text: &model.counter.to_string(),
                   },
  -                Button {
  +                gtk::Button {
                       clicked => Decrement,
                       label: "-",
                   },
  
positive.code: 
  Since relm is based on GTK+, you need this library on your system in order to use it.
  
  See [this page](http://gtk-rs.org/docs-src/requirements) for information on how to install GTK+.
  
  == Usage
  
  
negative.code: 
  [source,bash]
  ----
  relm = "0.4.0"
  ----
  
  Next, add this to your crate:
  