Different weights previewed at different heights even though Key
Measurements are the same?  richardvan's picture  I'm currently
working on my first font family, using FontLab 5. Now I've got
three weights so far (regular, italic, bold). However there is
something that concerns me: I'm using MainType 2.1 for Windows
for font management, and in the preview my Italic is shown at a
much smaller font size than my other weights (about 1/3 to 1/4).
It behaves normally in InDesign though. When I check other font
families they are previewed more uniformly.  I checked the key
measurements but they are all the same. Is it probably connected
with the Font BBox as these values are different? But I don't
know how to change that. Or some rulers that are above the en
square? Does anyone faced a similar problem before?  malcolm's
picture  The Font BBox or Bounding Box is the maximum dimension
box for all glyphs in the font. When designing it is a good idea
to decide on a maximum overall ascent/descent that none of the
fonts