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Subject: Re: X-Face and depth
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Karl Kleinpaste <karl@charcoal.com> writes:

> Yuck.  That means Gnus will have to reach out into the filesystem to
> hunt down ikon2xbm.

At least nnimap already does this for OpenSSL vs SSLeay, different
incompatible versions of "imtest", rsh vs ssh, STARTTLS etc.

> Weirder still: Use a variable to hold the pipeline, trying "uncompface
> -X" by default.  But wrap its use in an error catch which replaces
> "uncompface -X" with "uncompface | ikon2xbm" and retries it.
>
> I can't believe I'm even contemplating this.

Maybe

(uncompface -X) || (uncompface | ikon2xbm)

works.