anchor.diff:    line_height: 1.2
   
   |padding
  -|<<measurement-units,Measurement>> {vbar} <<measurement-units,Measurement[top, right, bottom, left]>>
  +|<<measurement-units,Measurement>> {vbar} <<measurement-units,Measurement[top,right,bottom,left]>>
   |footer:
     padding: [0, 3, 0, 3]
   
  
positive.code:   border_width: 0.5
  
  |padding
  |<<measurement-units,Measurement>> {vbar} <<measurement-units,Measurement[top, right, bottom, left]>> +
  (default: [12, 12, 0, 12])
  |sidebar:
    padding: [12, 15, 0, 15]
  
negative.code: 3+|*Key Prefix:* block
  
  //|padding
  //|<<measurement-units,Measurement>> {vbar} <<measurement-units,Measurement[top,right,bottom,left]>>
  //|block:
  //  padding: [12, 15, 12, 15]
  
  