On 28 Mar 2010, at 09:31, Rich Morin wrote:
[…] It appears that TM has saved bogus folding information for one of the files, but not the other. Suggestions on tracking this down or at least gathering useful information?
Folding info is stored as an extended attribute.
Try: xattr -l «file»
That lists all the attributes of the file, you can simply delete the one containing folding info (also using xattr).