anchor.diff:    }
   
     String toTerseString() {
  -    if (isMagic) return name;
  -    if (isRoot || source.name != 'hosted') return "$name";
  +    if (isMagic || isRoot || source.name == 'hosted') return name;
       return "$name from $source";
     }
   
  
positive.code:   }
  
    String toTerseString() {
      if (isMagic) return name;
      if (isRoot || source.name == 'hosted') return "$name $version";
      return "$name $version from $source";
    }
  }
  
negative.code:   }
  
    String toTerseString() {
      if (isMagic || isRoot) return name;
      if (source.name == 'hosted') return "$name $constraint";
      return "$name $constraint from $source";
    }
  
  