I wrote:

> Certainly my version of imap-fetch-safe will fail if it's not called
> with a pair.

Sorry, I was confused by the context and just realized that the typo is
in my code originally.  I don't understand that, because (a) I thought
I'd fixed it before sending the patch, and (b) I thought I was running
with a copy up-to-date with CVS...  Anyhow, this is right: