Add JIS-B5 and JIS-B4 paper sizes #75 - Fix handling of `landscape`
Add JIS-B5 and JIS-B4 paper sizes #75
- Fix handling of `landscape`

vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js