[PATCH] Fix formatting for restore and dump help documentation.

[David Bremner]

On Mon, 31 Oct 2011 12:01:25 -0700, Jameson Graef Rollins <jrollins at finestructure.net> wrote:
> This normalizes the code and output formatting here to look like the
> rest of the help output.

Thanks. I rebased that into the corresponding patch in branch nmbug at

        git://pivot.cs.unb.ca/notmuch.git

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