Quote:
Originally Posted by JSWolf
Yes, text direction is ePub 3 only. ePub 2 does not support specifying the text direction.
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You're wrong.
page-progression-direction="rtl" is an epub
3-only
spine attribute, however, the
dir attribute can also be used in epub
2/
XHTML files.
Unfortunately, there are no widely used epub
2 apps that support RTL books and even if they supported the
dir attribute, it would have no effect on page flipping.