anchor.diff:  
   ```
   [geb]
  +....
   $("input", name: "q").value("asciidoctor")
   waitFor(5){true}
  +....
   ```
   
   ```
  
positive.code: 
  dimension:: size of the screenshot in the format `<width>x<height>` for instance 800x600. Also the values of 'frame' are supported. This is the first positional parameter.
  
  == Examples
  
  ```
  
negative.code: 
  ```
  [geb, dimension=iphone5]
  ....
  $("h3.r a").click()
  ....
  ```
  
  ```
  