Okay, it is not a problem of cairo. I installed evince, libpoppler1 and libpoppler1-glib from Feisty, which results in good quality output. Sorry for the many posts.
Okay, it is not a problem of cairo. I installed evince, libpoppler1 and libpoppler1-glib from Feisty, which results in good quality output. Sorry for the many posts.