Having a bit of trouble

[ZiNgA BuRgA]

I assume that "doesn't save the inputs" means that if you edit the thread field, save it, then go back to edit it again, the value you just put in doesn't show?  If that's the case, what does come up?  A blank value?

With the table that appears above the thread, you say it has the thread field name then a blank box on the right.  In regards to this blank box:
a) if you've entered no value for the field, but have set a blank replacement value, does it show the blank replacement value?
b) if you have entered a value, and there's a blank replacement value, what shows?

Also, what is the Key specified for this field?  I see references to 'tdesc' and 'tdescript' in your templates, though the Key used in the tutorial is 'desc'.