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From: Florian Weimer <fw@deneb.enyo.de>
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Subject: Re: Corrupted score files with ... symbols
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* Katsumi Yamaoka:

> The change seems to affect pp (or pp-to-string).  Since pp is
> being used also in the other Gnus modules, shouldn't we apply
> the same change to them, either?

I'm not sure.  `gnus-prin1', for example, has been deliberately
written to cope with non-nil values of `print-length'.  Some callers
might bind `print-circle' in ddition to `print-length' and try to
print cyclic data structures.