| PASS testing letter-spacing: calc(1 + 1px) | |
| PASS testing letter-spacing: calc(1 + 100%) | |
| PASS testing letter-spacing: calc(100%) | |
| PASS testing letter-spacing: calc(10px) bla | |
| PASS testing letter-spacing: calc(bla) 10px | |
| PASS testing letter-spacing: calc(10px) | |