Thank you for your reply.
Although I absolutely knew what I did when I changed the style sheet (it's really not that difficult) I suspected myself at least a bit as the one who might have caused the damage.
So in a new attempt to rule myself out I skipped 3) and just exploded and immediately rebuild the book—same result.
When I before that actually tweaked the samples Calibre let me do it without prompting any warning because of the DRM—which the samples have too as far as I know.
|