anchor.diff:  
   
   //- Permalink rendering
  +    id - [string] permalink ID used for link anchor
   
   mixin permalink(id)
       if id
  
positive.code: 
  
  //- SVG from map
  
  mixin svg(file, name, width, height)
      svg(aria-hidden="true" viewBox="0 0 #{width} #{height || width}" width=width height=(height || width))&attributes(attributes)
  
negative.code: //- 💫 MIXINS > BASE
  
  //- Aside wrapper
      label - [string] aside label
  
  mixin aside-wrapper(label)
      aside.c-aside
  