>So , using Al's font into thing or other, if I subtract the ascending, and
>descending from the result of USR FontHeight, I should have that
>value/measure called Leading or Linespacing that I am looking for, finally?
>
Cov,

As Al has been trying to tell you, the value you want (Leading, 
Linespacing, distance from 1 baseline to the next, etc.) IS USR 
FontHeight. Don't subtract anything from it--just use it. :-)

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