indent-rigidly a real rightwinger

[Dan Jacobson]

"C-x TAB runs the command indent-rigidly
Indent all lines starting in the region sideways by ARG columns."

And indeed, it is great fun to do
<escape> h C-x TAB C-x TAB C-x TAB C-x TAB C-x TAB
and watch the whole paragraph march rightwards.

However, when you want it to march leftwards _in the same fashion_,
then depression sets in.  One can only come up with
<escape> h <escape> - 1 C-x TAB <escape> - 1 C-x TAB <escape> - 1 C-x
TAB <escape> - 1 C-x TAB <escape> - 1 C-x TAB
i.e. a tongue twister for the fingers and mind.

One can only conclude that RMS was a rightist. [Weak joke. sorry.]

P.S. I'm habituated to the escape key, but the point remains for meta users.

Anyway, please make a way to march text leftwards with just as much ease.
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