`git show 0123beef' shows the commit message and diff from its parent of commit 0123beef.  `git show 0123beef..4567cafe' shows the commit messages and diffs of all changes from 0123beef to 4567cafe'.  These are handy, and I use them all the time.

When I run `fossil timeline', I don't know any easy way to take a commit id and show the commit anywhere near as conveniently.  The best I've found is to type `fossil info 0123beef' and then copy and paste the parent's commit id into `fossil diff --from <parent> --to 0123beef'.  It would be nice if I could just type `fossil show 0123beef'.