[imp] select.php3, long mailbox names, and $abbrev in mailbox_list

[Chuck Hagenbuch]

Quoting Rich Lafferty <rich@horde.org>:

> In particular, while IMP happily deals with a folder named 
> "This is a long folder name designed to trigger the name abbreviation",
> it *didn't* deal with "mmmmmmmmmmmmmmmmmmmm", because the trigger
> length is 26 characters. Unfortunately, I can get it to appear too
> large at 20 characters, and the users in question got it to happen at
> 15 and 18 (x2) respectively.
> 
> While the easy fix for this is to reduce that 26, I'm assuming it
> wasn't chosen arbitrarily. Should this become configurable? Or does
> the choice of trigger length just need to be re-evaluated?

Actually, I think it _was_ fairly arbitrary (Jon?). I don't see a real need to 
put a huge amount of work into this; the problem goes away in 2.3. If you think 
we should just shorten it for any future 2.2 releases, go for it.

-chuck

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Charles Hagenbuch, <chuck@horde.org>

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