Not exact matches
Type designers have used this
extra capacity for lots of things, mostly to expand the number of accented letters and international symbols available, so Open
Type fonts can be used in many languages.
Even with the same
font type and size, the K3 will get several
extra lines of text per page.
There is a way to change
font type and size to whatever you want for DRM free ebooks for the Sony PRS - 350, but it does involve manually modifying the book's CSS file, or adding some
extra CSS code using Calibre.