anchor.diff:    border_width: 0.5
   
   |padding
  -|<<measurement-units,Measurement>> {vbar} <<measurement-units,Measurement[top, right, bottom, left]>> +
  +|<<measurement-units,Measurement>> {vbar} <<measurement-units,Measurement[top,right,bottom,left]>> +
   (default: [12, 12, 0, 12])
   |sidebar:
     padding: [12, 15, 0, 15]
  
positive.code:   line_height: 1.4
  
  |padding
  |<<measurement-units,Measurement>> {vbar} <<measurement-units,Measurement[top, right, bottom, left]>> +
  (default: 0)
  |abstract:
    padding: [0, 12, 0, 12]
  
negative.code: 3+|*Key Prefix:* table_cell
  
  |padding
  |<<measurement-units,Measurement>> {vbar} <<measurement-units,Measurement[top,right,bottom,left]>> +
  (default: 2)
  |table:
    cell:
  