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09-14-2022, 05:46 AM
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#1 |
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Wizard
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Device: kobo forma, Kobo Libra, Huawei media Tab, fire HD10, PW3 HDX8.9,
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this epub has HTML files that are not well formed or are missing a doctype..
i am so fed up of seeing this when I open a book in sigil
and it returns EVERY TIME i use modify :e.g. i fix it with "mend & prettify" and test that it opens with no errors, but then re run modify epub on the book, open it again and its back! very few options ticked in modify epub ::just fix spans, cover, TOC, update metadata. and anyway , running it a 2nd time without doing anything other than mend and prettify should give it nothing to modify? yet somehow it reintroduces this error, every single time so easy to prove open book in sigil - no error close book run modify epub open book in sigil - error is back someone please tell me how to break the cycle |
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09-14-2022, 06:14 AM
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#2 |
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Grand Sorcerer
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What is "run modify epub"? It seems pretty clear to me that whatever it is, it's doing something that removes the doctype that Sigil requires.
Last edited by DiapDealer; 09-14-2022 at 06:27 AM. |
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09-14-2022, 06:23 AM
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#3 | ||
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Wizard
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Device: Kobo Forma, Nook
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Quote:
Were you missing the DOCTYPE? - - - Note: Back in Sigil 1.4.0, KevinH added more robust checks for DOCTYPE. You can read his exact explanation here: Sigil uses DOCTYPE, and Calibre sometimes (always?) strips it out. So if you are constantly flipping back/forth between Sigil/Calibre, you might get this window popping up often. Quote:
Last edited by Tex2002ans; 09-14-2022 at 06:25 AM. |
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09-14-2022, 08:21 AM
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#4 |
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Grand Sorcerer
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Sounds like the calibre plugin (or calibre) is removing the doctype. That's not really in keeping with the declared goal of the Modify Epub plugin. Which is to allow very specific, user-defined epub tweaks without performing a full calibre epub-to-epub conversion.
A couple of solutions come to mind: 1) if someone takes over maintaining the calibre Modify Epub plugin after davidfor's death, ask them if it's possible for the plugin to stop silently removing the doctype. 2) change your workflow so that there is no back and forth between calibre/sigil when editing epubs. Whichever editor you use the least, use it first and move on to editing with the one you use the most. i.e. do everything you need to do with Modify Epub and then Mend and Prettify with Sigil. Afterwhich, don't run Modify Epub on that book again. Or vice versa. Last edited by DiapDealer; 09-14-2022 at 08:24 AM. |
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09-14-2022, 08:56 AM
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#5 | |
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Resident Curmudgeon
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Quote:
I am running Calibre 6.4 and the latest Modify ePub. Code:
<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" lang="en" xml:lang="en"> <head> <title>The Rising Tide</title> <link href="../styles/stylesheet.css" rel="stylesheet" type="text/css"/> </head> |
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09-14-2022, 09:04 AM
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#6 |
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Grand Sorcerer
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But did you open it with Sigil again after?
Sigil, Modify Epub, Sigil is the workflow @stumped described. That's also an epub2 xhtml file you've shown. What happens with Epub3/HTML5? |
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09-14-2022, 09:24 AM
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#7 |
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Sigil Developer
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A sample epub based on a public domain epub that shows the issue and follows the op's workflow (both before and after modify epub is run) would be quite helpful to see what is actually going on.
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09-14-2022, 10:20 AM
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#8 | |
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Resident Curmudgeon
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Quote:
There was no doctype requestor. |
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09-14-2022, 10:24 AM
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#9 |
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Grand Sorcerer
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We still need to verify that the same options for Modify Epub are being selected. It sounds like there are quite a few choices available. Also, you still didn't mention whether you tested both EPUB2 and EPUB3.
And since Calibre is involved, we have to make sure the epub is not being opened in Sigil via the third-party calibre OpenWith plugin. I long ago gave up debugging the on-again-off-again issues that arose when running Sigil via Kiwidude's OpenWith calibre plugin. Especially when calibre's own internal Open With feature has worked fine for years. Last edited by DiapDealer; 09-14-2022 at 10:34 AM. |
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09-14-2022, 10:24 AM
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#10 | |
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Resident Curmudgeon
Posts: 80,475
Karma: 150249619
Join Date: Nov 2006
Location: Roslindale, Massachusetts
Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3
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09-14-2022, 10:33 AM
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#11 | |
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Resident Curmudgeon
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Location: Roslindale, Massachusetts
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09-14-2022, 10:40 AM
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#12 |
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Grand Sorcerer
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Well there you go. Change the Modify Epub plugin to make sure the new Jacket xhtml document is created with compatible (and standards-compliant) doctype and xml declaration (or whatever it is about the new code that Sigil believes is malformed).
Last edited by DiapDealer; 09-14-2022 at 10:48 AM. |
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09-14-2022, 11:15 AM
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#13 |
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Grand Sorcerer
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Also... why would anyone need to generate a new jacket more than once anyway? Have Sigil fix it once and then move on. *shrug*
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09-14-2022, 12:19 PM
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#14 |
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Sigil Developer
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So not a Sigil issue then. Thanks for tracking it down JSWolf. Will someone alert the new maintainer of this plugin?
FWIW ... I did not see any license on modify epub plugin page in the calibre plugins forum but downloaded the code and looked at it and it seems to be all GPL V3. So anyone could adopt it. There is a jacket.py file that would need to check the container type (epub2 or epub3) and prepend the correct doctype to the jacket_data before writing it. Should be very easy to do for someone familiar with calibre's plugin interface. Last edited by KevinH; 09-14-2022 at 12:45 PM. |
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09-14-2022, 02:03 PM
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#15 | |
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Well trained by Cats
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Quote:
I embed a fresh jacket any time I +fix+ my metadata. I also do not always use Modify EPUB, but do use Polish or have the Calibre editor freshen. There are features of Sigil I like better and there are edit-ebook features I like. So I use both and do NOT want either +fixed+ . 
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