[fullsailor]

> GitHub uses the branch name; you can replace it with a changeset ID and it’ll work, but you’ll need to find a changeset ID.

You can press 'y' to expand the URL to its canonical form.

[chrismorgan]

Oh, cool. I didn’t know that. It’s a pity they don’t make it more obvious. Post updated to include this tidbit of information. Thanks!