Originally Posted by pdurrant
I think that getting the ranges isn't fine grained enough. We're not wanting to check that our fonts cover the characters used, but to trim the fonts to cover only the characters used. Of course, making sure that all the needed characters are in the font will be part of this.
Actually I am very interested in finding out if there are missing glyphs... Small squares in place of characters is a far larger problem than a few tens of Kilobytes in size IMO
I suspect that most methods of subsetting would also give you a "free" coverage check in the bargain.