Quote:
Originally Posted by GrannyGrump
This may have been reported already. I recently downloaded ADE version 3 and version 4. They seem to no longer support the xpgt template files.
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I did a quick test with the second volume of the "hi-tec version" of
The Gilded Age and
ADE 3.0.1, and the XPGT template seems to work because it displays images instead of Arabic text in chapter 41.
However,
ADE 4.0.2 is a different matter. XPGT templates are not supported; the Arabic RTL text in chapter 41 is being displayed as pre-shaped LTR text using the embedded font. I.e. the text would be OK, if the glyphs were displayed RTL. (See Arabic_EPUB2_ADE4_medium.png.)
After converting the original ePub2 ebook to an ePub3 ebook with
KevinH's
epub3 output plugin for
Sigil 0.8.2, the Arabic text is being rendered correctly, but the embedded font is not used. (See Arabic_EPUB3_ADE4_large.png.)
There are also rendering differences that affect Latin text. For an example, have a look at the distance between the dropcap letter and the following text. In the epub2 version, everything looks as designed, however, in the epub3 version, there's no space between the dropcap and the following letter.
This means that rich layout ePub2 books might require some fine-tuning for optimal display in ADE4 and the corresponding RMSDK app for eInk readers and tablets. Also note that the ePub2 screen capture was taken with the font size set to "medium" and the ePub3 screen capture with the font size set to "large."
@GrannyGrump: AFAIK, ePub3 ebooks are supposed to be backwards compatible with ePub2 readers. When I converted the second volume of the "hi-tec version" of
The Gilded Age with the Sigil ePub3 output plugin, the resulting ePub3 was displayed correctly with ADE 1.7, which is the lowest common denominator.
Does the automatically converted epub3 also display correctly with your ePub2 eInk reader? If so, you might be able to (slightly) "future-proof" the 2 high-tec Gilded Age volumes by converting them to ePub3 with Sigil 0.8.2.
(Note that Sigil is not yet ePub3 compatible; it can export ePub3 books with the optional ePub3 output plugin, but you cannot edit ePub3 ebooks with it, because Sigil will back-convert them to ePub2 when you save the ebook.)