text: var angle = ['deg', 'grad', 'turn', 'rad'];
  var time = ['ms', 's'];
  
  module.exports = {
  
    test: function(name, nodes) {
      return name === 'dimension';
    },
  
    process: function(node) {
      if (node[1][1] !== '0') {
        return node;
      }
  
      if (angle.indexOf(node[2][1]) !== -1) {
        node[2][1] = 'deg';
        return node;
      }
  
      if (time.indexOf(node[2][1]) !== -1) {
        node[2][1] = 's';
        return node;
      }
  
      return ['number', '0'];
    }
  
  };
  