Add stub for html._replace_charref from standard library (#15925)
#15547
| Job | Run time |
|---|---|
| 33s | |
| 36s | |
| 1m 47s | |
| 1m 14s | |
| 37s | |
| 49s | |
| 1m 8s | |
| 39s | |
| 46s | |
| 53s | |
| 40s | |
| 29s | |
| 38s | |
| 54s | |
| 1m 43s | |
| 44s | |
| 1m 27s | |
| 15m 37s |