Loc
|-Expansion
| |-ExpansionStart
| | |-ExpansionStart |C(f(M(i)))|
| | |                 ^ :3:1,
| | |-ExpansionEnd   |C(f(M(i)))|
| | |                          ^ :3:10,
| | `-Spelling       |#define C(x) c M(x)|
| |                                  ^ :2:16,
| |-ExpansionEnd
| | |-ExpansionStart |C(f(M(i)))|
| | |                 ^ :3:1,
| | |-ExpansionEnd   |C(f(M(i)))|
| | |                          ^ :3:10,
| | `-Spelling       |#define C(x) c M(x)|
| |                                     ^ :2:19,
| `-Spelling       |#define M(x) x|
|                                ^ :1:14,
`-Spelling
  |-Expansion
  | |-ExpansionStart |C(f(M(i)))|
  | |                 ^ :3:1,
  | |-ExpansionEnd   |C(f(M(i)))|
  | |                          ^ :3:10,
  | `-Spelling       |#define C(x) c M(x)|
  |                                    ^ :2:18,
  `-Spelling
    |-Expansion
    | |-ExpansionStart |C(f(M(i)))|
    | |                     ^ :3:5,
    | |-ExpansionEnd   |C(f(M(i)))|
    | |                        ^ :3:8,
    | `-Spelling       |#define M(x) x|
    |                                ^ :1:14,
    `-Spelling       |C(f(M(i)))|
                            ^ :3:7