the pagenation is strange; at Media Overlays, page-progression-direction="rtl" and writing-mode:vertical-rl;

[toshiakikoike]

Test file(s)
https://github.com/toshiakikoike/epub_file/blob/master/readium_test/moby-dick-mo-v.epub
This EPUB is modified from epub3-samles; moby-dick-mo,page-progression-direction="rtl" and writing-mode:vertical-rl;

Product:
readium-js-viewer(master branch)

Bug:
After opening above file, jump to "CHAPTER 1. LOOMINGS." from navigation, then play audio.

At the page last, page turn;

After page turn, screen show teh next page ("men fixed in ocean ....) ,but playback section returns to previous page, play from "CHAPTER 1. LOOMINGS.".

[toshiakikoike]

cannot get epubcfi when page-progression-direction="rtl"?
after page turn, the value of epubcfi is the same as prev page.