09-18-2021, 06:26 PM | #1 |
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Docx to EPUB: W3C error - border currentColor is not a Color ...
Hi,
Has anyone else seen this W3C error on Epub conversions from docx files? border currentColor is not a Color ... If yes, how to correct this problem? |
09-18-2021, 06:34 PM | #2 |
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More info on CSS file contents
Here are the CSS files for tables ...
.table_ { border-collapse: collapse; border-spacing: 2px; display: table; margin-bottom: 0; margin-left: 0; margin-top: 0; text-indent: 0; padding: 0; border: currentColor none 1pt } |
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09-18-2021, 07:11 PM | #3 | |
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Quote:
Have a read here and you might be able to find the effect you are after... https://www.w3schools.com/css/css_border_shorthand.asp |
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09-18-2021, 07:37 PM | #4 |
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The syntax is auto-generated by Calibre as part of the conversion.
I notice that if I search and replace "currentColor" with "black" on the stylesheet.css file that it passes a W3C validation scan. This is a fix I guess, but it also seems like it might be a Calibre bug report too? |
09-18-2021, 07:54 PM | #5 |
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09-18-2021, 08:23 PM | #6 |
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Preferences: OUTPUT options: EPUB (on sidebar): EPUB Version
If you have previously converted a book, there is a similar area on the start conversion dialog. CALIBRE remembers previously used settings PER BOOK (so it no longer uses Preferences for those.) |
09-18-2021, 10:27 PM | #7 |
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The W3C is no longer relevant to html specs. The browser makers all decided to ignore it. And currentColor is most definitely a valid value for color: https://developer.mozilla.org/en-US/...tcolor_keyword
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09-18-2021, 10:41 PM | #8 |
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Oh right. I had no idea. A shame as that site is how I taught myself css and html and what I use for reference.
What site do you use as a reference for CSS and HTML properties? I note that mozilla site does not have a comprehensive list of available properties/tags that can be used. |
09-18-2021, 11:12 PM | #9 |
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I use the whatwg documents mostly, such as https://html.spec.whatwg.org
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09-18-2021, 11:37 PM | #10 |
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Great. Thank you
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09-19-2021, 07:31 AM | #11 |
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All true as you say, but the W3C check is a requirement of Draft2Print - that flags the errors and refuses to forward the epubs etc on for publishing at Apple, Barnes and Nobles, and so on. currentColor is legal, although I understand that color must be set initially so it can use the cascading color settings.
Last edited by etilley; 09-19-2021 at 07:33 AM. |
09-19-2021, 08:08 AM | #12 |
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I'm afraid calibre is not in the business of satisfying incorrect error checks in various pre-print tools. Simply run a search and replace, or setup a rule to do it automatically during conversion. In the Lokk & Feel->Transform styles section of the conversion dialog.
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