Adjust md_in_html "markdown" blocks to process content consistently…
#869
| Job | Run time |
|---|---|
| 11s | |
| 30s | |
| 12s | |
| 26s | |
| 19s | |
| 26s | |
| 48s | |
| 24s | |
| 32s | |
| 1m 20s | |
| 1m 7s | |
| 1m 8s | |
| 32s | |
| 7m 55s |