10-25-2018, 02:02 AM | #1 |
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Sideloaded Epubs on Forma
I don’t know what I’ve done but something has gotten messed up.
I ordered a new Kobo Forma and updated to the latest Calibre version in preparation for it. When I got the Forma I updated it as well. Then I sideloaded a bunch of epubs from Calibre. The books all show up with extra page numbers in the middle of the side margins. I remember having this problem several years ago but I don’t remember what the fix was. I already had many of the same books on other Kobo ereaders and they look fine. However, I just loaded a couple of the same books to one of my other Kobo ereaders (Clara) that didn’t already have those particular books and they also showed up with the extra page numbers, and also insanely large text. I adjusted the text to normal size but now when I open books that were already on the Clara the text is tiny. Is it obvious what I’ve done to mess things up? |
10-25-2018, 05:45 AM | #2 |
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The numbers in the margin is a setting on the device. In the Reading Setting page, uncheck the "Show Adobe EPUB page numbers" option. By default, it is on, so you must have unchecked it on the Clara HD.
But, the difference in font sizes suggests you have disabled or removed the KoboTouchExtended driver. Using that would have sent the books as kepubs. The font scaling is different for kepubs than epubs. For the same setting, the font in a kepub will appear smaller than in an epub. Plus, kepubs never show the page number in the margins. |
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10-25-2018, 10:46 AM | #3 | |
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EDIT I originally posted that I got an error message when I tried to reinstall the plugin but I restarted Calibre and then it allowed me to reinstall it. Now I'll try resending my books. EDIT Clara and Forma both doing well now. Last edited by disconnected; 10-25-2018 at 12:02 PM. Reason: user error, apparently |
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10-25-2018, 11:12 AM | #4 | |
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FWIW I "cure" it using the calibre driver's Modify CSS option with the kobo_extra.css file on the devices that need it. I suppose it's only an issue for those who regularly read both kepub and epub on the same device. |
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10-25-2018, 11:50 AM | #5 | |
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is that you would use that AND the kobo extended driver plug in thing or is it and either/or |
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10-25-2018, 12:10 PM | #6 | |
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I'm not sure I'm quite ready for the Modify CSS learning experience yet but it may happen sometime. Thank goodness for this forum; I don't think I'd be able to manage to use Calibre at all without it. |
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10-25-2018, 01:58 PM | #7 | |
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You can read more about it here. It works the same with either the KoboTouch or KoboTouchExtended calibre drivers. I think KTE does have an extra option to store a set of these files on your PC so different versions can be copied to different Kobo models, but I don't use this option myself. I'm happy doing my own one-off copying of the file to the root directory. There is an easy trick to allow you to add CSS which will affect your kepub styling but not (99.9999% of the time) your epub styling. Caveat: There's no "magic" at play here. All the normal rules/limitations of CSS inheritance and order will apply. If you decide to try it out and need specific help, feel free to come back and ask more detailed questions. |
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10-25-2018, 02:08 PM | #8 |
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Ok thanks, I think I have that already on my kobo. From a much older thread.( I say "my kobo" but my son has had it on loan for so long it feels like its his)
I somehow misread your post and thought you were adding something to each book, using calibre add extra css at conversion function. Not using a one off add a file to device root folder |
10-25-2018, 03:01 PM | #9 | |
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10-25-2018, 03:07 PM | #10 |
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It is a long long time ago since I set my on device file up, and the idea may have come form an old post of yours. I think that all my file does is take out some of the header and footer whitespace from sideloaded books, by setting explicit top and bottom margins?
But I also discovered the driver or plug-in that converts each epub to a kepub just before sending it to the kobo, and use that for all books,so I don't know if doing that makes the other tweak redundant. |
10-25-2018, 03:28 PM | #11 | |
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Whether it is still doing anything useful is another issue It will depend on what CSS you have in there. For instance, I think the kepub renderer ignores @page and widows/orphans CSS. However, if you have a CSS line in there to boost the font-size for kepubs (but not epubs) then that may still be useful on some models (e.g. ClaraHD, H2O) ... which is where this original discussion began ... |
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10-25-2018, 07:31 PM | #12 | |||
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It definitely ignores the widows and orphans. I think it ignores @page, but I strip them out when I edit my books, so I don't see them on the device. |
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10-26-2018, 01:36 AM | #13 |
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i checked my PC to see if I had a saved copy of the extra CSS file that is on my Kobo and found this kobo_extra.css
( line 3 is because I dont like hyphenation, and I vaguely recall experimenting with the margin top value before settling on 12pts) @page {margin-top: 12pt; margin-bottom: 0:} body { orphans: 1; widows: 1; } body {adobe-hyphenate: none;} |
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