Just got back. Late night at work.
re my post at #24:
Thanks ixion & AJT for verifying.
(O-FT) ft represents a paper? Not familiar with that.
My take on 30D was the same as peterm's.
Wiki verifies SI as a former name for TI, but it's a note, not a character, and nothing else really matches either:
Wiki def for SI
though I like AJT's answer #34 :-)
Sorry, probably have a touch of OCD. ;-)