Kozea/WeasyPrint — pull request #120 by akx (2013-09-10 14:03:59+00:00)
Title: Add mention about shared-mime-data

After about 4 hours or more of hair-pulling and fervent debugging, we discovered that (at least on Ubuntu 12.04) the `shared-mime-data` package is required for GDK-PixBuf (and thus `cairocffi.pixbuf`) to be able to read files without throwing a cryptic "Unrecognized image file format" error.