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PRS-T2 Does not open newer epubs from Gutenberg
#1  jaapd 03-19-2020, 04:20 PM
My Sony PRS-T2N does not open newer epubs from Gutenberg.

The next two won't open:

http://www.gutenberg.org/ebooks/61324.epub.images

http://www.gutenberg.org/ebooks/61326.epub.images

Others work perfectly:

http://www.gutenberg.org/ebooks/31107.epub.images

http://www.gutenberg.org/ebooks/3176.epub.images

The software version is: 1.0.01.05100

Any idea?
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#2  hobnail 03-19-2020, 06:23 PM
Can you explain what you mean by "does not open".
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#3  hobnail 03-19-2020, 06:33 PM
With Calibre you can convert an epub which will simplify (sort of) the CSS. You don't need to convert it to another format first; for the output format set it to EPUB.

I've had some EPUBs that the Kobo Forma doesn't display properly; any error in the CSS (what it considers an error, that is) makes it ignore the entire CSS file.
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#4  jaapd 03-20-2020, 08:37 AM
Quote hobnail
Can you explain what you mean by "does not open".
When I click on the book on me e-reader, the e-reader flickers a little and then the same windows reappears. Or the start window, or a bookshelf window.
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#5  JSWolf 03-20-2020, 09:32 AM
Quote jaapd
When I click on the book on me e-reader, the e-reader flickers a little and then the same windows reappears. Or the start window, or a bookshelf window.
In Calibre, install the epubcheck plugin and load these books in the editor so you can check them. Use both the built in checker and epubcheck. Once both checkers say there are no errors, load them back on your T2 and try again.
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#6  Pajamaman 03-20-2020, 10:35 AM
I find converting to mobi then back to epub fixes most things.
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#7  JSWolf 03-20-2020, 11:35 AM
Quote Pajamaman
I find converting to mobi then back to epub fixes most things.
I would rather look at the ePub to find out what's wrong with it. If you convert to Mobi and then back, you could be changing the layout.
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#8  stumped 03-20-2020, 12:39 PM
from memory ( back when I had a sony reader) over-complicated code in the epub ( like multiple classes and spans within a single line) would overwhelm the reader and it would crash.
the code was not invalid, ( the books were fine in pc based renderers ) - just too hard for the reader renderer to cope with
you need to inspect the books or name them and ask others to, if they are PD from a public source
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#9  JSWolf 03-20-2020, 12:52 PM
Quote stumped
from memory ( back when I had a sony reader) over-complicated code in the epub ( like multiple classes and spans within a single line) would overwhelm the reader and it would crash.
the code was not invalid, ( the books were fine in pc based renderers ) - just too hard for the reader renderer to cope with
you need to inspect the books or name them and ask others to, if they are PD from a public source
Good idea to let us know which books so we can take a look and see what's up. PG ePub are machine converted and not always that great codewise.
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#10  Ghitulescu 03-25-2020, 06:18 AM
ADE 4.0 opens both books but crashes as soon as one goes beyond the cover. I did not dare to put them on my Sonies.
Cleaning the css rules did not change anything.
Renaming all files (automatic or manual) did not improve the situation.
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