Indent and Outdent with tab key

There is, by the way, an odd single-key shortcut, consistent with Omnioutliner, for indenting that I forgot to mention: R (as in Right). Not as natural as tab, and with the major drawback that it can’t be used while editing text, as it then will produce a letter, but it might be interesting to know. There are also som other, related single-key shortcuts: Keyboard shortcut to Edit Action.