Jon Peatfield wrote (3/14/2007 6:51 PM):
I note that ')' and TAB differ by a single bit (0x29 versus 0x09). ...When you did something unrelated which used lots of memory/io that might have cause it to get flushed and so appear to 'fix' things.
Ah, that's an excellent observation! Yes, I think you must be right. A memtest/memtest+ (and a full filesystem check too) will be the first thing on my agenda for tomorrow. Thanks, all, for the excellent help.
Best regards, Glenn.
