| test | |
| hello | |
| con\ | |
| catenated | |
| not\ | |
| concatenated | |
| ??= | |
| ??( | |
| ??/ | |
| ??) | |
| ??' | |
| ??< | |
| ??! | |
| ??> | |
| ??- | |
| From standard: printf("Eh???/n"); | |
| con??/ | |
| catenated with trigraph | |
| # /* */ define fail succeed | |
| fail | |
| #undef fail | |
| #define fail succeed | |
| fail | |
| #define x(a,b) a+b | |
| x(12 | |
| 23 | |
| , | |
| 34 | |
| 45 | |
| ) | |