Seems to be leaving red error indicators in the fringes of my markdown files.

And this appears in my `*Messages*` buffer:

```
Found the following clients for /Users/dave/src/hylo/Docs/MetatypeLowering.md: (server-id sourcekit-ls, priority 0)
The following clients were selected based on priority: (server-id sourcekit-ls, priority 0)
```