pub const ISSUE_COMMENT: &str = "\
Add a comment.
```
ytcli issue comment PROJ-1 \"text\"
```
cat body.md | ytcli issue comment PROJ-1 -
`-` reads the body from stdin, which is how you avoid quoting a long message.
What you write is visible to everyone in the organisation and is not reliably
deletable. Do not put credentials or personal data in it.";