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Old 06-21-2024, 12:08 PM   #1
jwes
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Preview window not quite in sync with code window.
Open test.epub in Sigil and click on TITLE in the preview window. On my machine (windows 11, Sigil 2.2.0), it highlights 'AUTHOR' in the code window. It is only this file, all other files seem to work properly. If I rename the file, it works, so I assume there is a non-printing character in the file name, but I don't know how to see it.
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File Type: epub test.epub (27.8 KB, 75 views)
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Old 06-21-2024, 12:30 PM   #2
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At the beginning of the file should be <?xml
In yours it is <?adxml

Just remove the unnecessary "ad".
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Old 06-21-2024, 01:36 PM   #3
DiapDealer
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Does Sigil not offer to fix the malformed file?
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Old 06-21-2024, 01:50 PM   #4
jwes
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Quote:
Originally Posted by BeckyEbook View Post
At the beginning of the file should be <?xml
In yours it is <?adxml

Just remove the unnecessary "ad".
Thank you. Rename also changes this to xml. The last mystery is why doesn't Well-formed Check EPUB find it?
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Old 06-21-2024, 01:54 PM   #5
KevinH
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I am confused, what does this have to do with Preview syncing to CodeView?
The xml headersare stripped off before passing it through gumbo as gumbo does not handle them. What about the simple sanity check? Did it detect the error?
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Old 06-21-2024, 02:13 PM   #6
DNSB
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Neither the simple check nor epubcheck flag adxml as an error. OTOH, epubcheck complains about the line in content.opf "<item id="TYPEWRITER_IN_THE_SKY.html" href="TYPEWRITER_IN_THE_SKY.html" media-type="text/html"/>" which IIRC, should be 'media-type="application/xhtml+xml"'

Mend and prettify does change adxml to xml.

If I change adxml to xml and the media type, the highlighting seems to work okay between preview and code view.

I do wonder why the OP is using adXML?
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File Type: epub test.epub (27.5 KB, 55 views)
Last edited by DNSB; 06-21-2024 at 02:15 PM.
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Old 06-21-2024, 02:24 PM   #7
KevinH
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Okay, The <?adxml is technically an xml ? pi ("processing instruction") which is ignored in modern xhtml.

Sanity check does count the number of xml declarations and could easily be made to check that count and report any error.

I will add that.
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Old 06-21-2024, 02:59 PM   #8
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Okay, in my internal build of Sigil I now have sanitycheck.py making sure that the xml declaration header is there, that it comes before any doctype, html, body, etc.

I will add this to a future release.

I just tested it against the op's test.epub and it does report a problem with that line. The xml header in the nav was just fine.

I am just not sure if this will help much given how simple the SanityCheck (Well Formed EPUB) check is in Sigil compared to the much much more thorough epubcheck.

This seems to be a rare type of failure.
Last edited by KevinH; 06-21-2024 at 03:02 PM.
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