AtD translation: the irregular of spirit

[Mark Kohut]

I only know one thing at the moment. If you put the phrase "irregular of
spirit" into the Google Books search engine, you know ALL THE BOOKS, you
will find no other writer in English has written this phrase in a published
book.

That's something.

On Thu, Feb 3, 2022 at 3:08 AM Mike Jing <gravitys.rainbow.cn at gmail.com>
wrote:

> P679.21-28   The moving field came to rest at length on whom but the
> co-tenant of Tarot card XV, Professor P. Jotham Renfrew, apparently down
> from Cambridge taking in a show, his face flattened into a lurid
> two-dimensional chromo of itself,  sitting in a box with somebody in a
> foreign uniform, whom it took Lew only a moment more to recognize as his
> former fellow Archduke-minder, the Trabant Captain, now regular K. & K.
> Landwehr Colonel, Max Khäutsch,  hardly changed from the Chicago days,
> unless perhaps grown slightly more mineral, toward the condition of a
> statue in a park frequented by the irregular of spirit.
>
> What does "the irregular of spirit" mean here?
> --
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>