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epubcheck does not accept a CSS :is pseudo-class #1289

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iherman opened this issue Dec 17, 2021 · 0 comments
Closed

epubcheck does not accept a CSS :is pseudo-class #1289

iherman opened this issue Dec 17, 2021 · 0 comments
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@rdeltour
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status: completed Work completed, can be closed type: false-positive This issue is about valid content being incorrectly rejected
Milestone
v5.0.0-beta

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@iherman
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iherman commented Dec 17, 2021

Consider the following content file:

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" xml:lang="en">
  <head>
    <title>CSS test for :is</title>
    <style>
      :is(h1,h2,h3,h4,h5,h6,a) abbr{border:none}
    </style>
  </head>
  <body>
    <p>This is a possible epubcheck bug...</p>
  </body>
</html>

the epubcheck response is as follows:

Validating using EPUB version 3.3 rules.
ERROR(CSS-008): css-bug.epub/OPS/content_001.xhtml(5,13): An error occurred while parsing the CSS: Token "," not allowed here.

I believe the CSS :is(...) syntax is correct and epubcheck should accept it.

I have also created a small epub file encapsulating this content file, see https://www.dropbox.com/s/d3gwhyg9agjtazx/css-bug.epub?dl=0
@rdeltour rdeltour self-assigned this Dec 17, 2021
@rdeltour rdeltour added status: accepted Ready to be further processed type: false-positive This issue is about valid content being incorrectly rejected labels Dec 17, 2021
@rdeltour rdeltour added this to the v5.0.0-beta milestone Apr 1, 2022
@rdeltour rdeltour added status: in progress The issue is being implemented by the development team and removed status: accepted Ready to be further processed labels Nov 17, 2022
@rdeltour rdeltour added status: completed Work completed, can be closed and removed status: in progress The issue is being implemented by the development team labels Dec 1, 2022
@rdeltour rdeltour mentioned this issue Dec 2, 2022
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@rdeltour rdeltour

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status: completed Work completed, can be closed type: false-positive This issue is about valid content being incorrectly rejected
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v5.0.0-beta
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@iherman @rdeltour