anchor.diff:            include pet
   
     p.
  -    It's also possible to override a block to provide additional blocks, as shown in the following example where `content` now exposes a `sidebar` and `primary` block for overriding, or the child template could override `content` all together.
  +    It's also possible to override a block to provide additional blocks, as shown in the following example where #[code content] now exposes a #[code sidebar] and #[code primary] block for overriding, or the child template could override #[code content] all together.
   
     p sub-layout.jade
     +jade
  
positive.code:         script(src='/vendor/three.js')
          script(src='/game.js')
  
    p When using `block append` or `block prepend` the `block` is optional:
  
    +jade
      :jadesrc
  
negative.code:     of Jade that may be replaced within a child template, this process is recursive.
  
    p.
      Jade blocks can provide default content if desired, however optional as shown below by #[code block scripts], #[code block content], and #[code block foot].
  
    p layout.jade
    +jade
  