Fix escaping of code in a MD table (#3661)
Fix escaping of code in a MD table (#3661)

Oops. Looks like MD requires escaping the `|` in a tag block. Markdown is funny.
lmorchard/idea-town,flodolo/testpilot,meandavejustice/testpilot,lmorchard/idea-town-server,meandavejustice/testpilot,meandavejustice/testpilot,lmorchard/idea-town-server,lmorchard/idea-town,lmorchard/testpilot,mozilla/idea-town,lmorchard/testpilot,mozilla/idea-town,lmorchard/idea-town-server,mozilla/idea-town-server,mozilla/idea-town-server,lmorchard/idea-town,flodolo/testpilot,flodolo/testpilot,flodolo/testpilot,mozilla/idea-town,meandavejustice/testpilot,mozilla/idea-town,mozilla/idea-town-server,lmorchard/testpilot,lmorchard/idea-town,lmorchard/testpilot,mozilla/idea-town-server,lmorchard/idea-town-server