Spurious(?) ISBN failures with 1.3.3

[Robby Stephenson]

On Friday 17 October 2008, Todd A. Jacobs wrote:
> I've been making heavy use of the multiple-entry ISBN lookup dialog, and
> am getting a lot of apparently spurious error messages about failures
> when doing the ISBN search after entering all the numbers and hitting
> search. *Most* of the time, this doesn't appear to be real missing
> ISBNs, as the majority of the ISBN numbers end up successfully
> populated.

The ISBN check shows up if even one out of 100 values is not found. It has 
to do some magic to check against isbn-10 and isbn-13 values, with and 
without hyphens, so there's certainly a possibility of a false positive.

If you can pinpoint an example, I'll take a look.

Robby