My point being that you CAN just put in the plain "LiberationSans-Regular.ttf" file, but then when the Kobo needs to render italics or bold then it would only be kind of emulated. By also including the "-Bold" "-Italic" and "-BoldItalic" files then they're available for more "proper" font rendering. The link #16 by Psyke above explains that a little bit better.
|