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**Description:**
The Diamond showcase 'Table' does not fulfill the WCAG accessibility criterion 4.1.1 as it renders syntactically incorrect HTML code. There are 20 errors that the attributes readonly…
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**Description:**
The Diamond showcase 'List' does not fulfill the WCAG accessibility criterion 4.1.1 as it renders syntactically incorrect HTML code. There are 24 errors that the attributes readonly …
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Nu HTML Checker needs to be removed as a conformance checker from the standard. Nu HTML Checker is a beta and therefore by definition is incomplete and has no place in a standard.
WHATWG's conforma…
ghost updated
3 years ago
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There is only one [Node.js CLI](https://github.com/dutchenkoOleg/node-w3c-validator) wrapping the official »Nu Html Checker«. Sadly we can’t use it straight away because of our Windows compatability. …
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Acccording to the [HTML 5.1 2nd Edition specification](https://www.w3.org/TR/html51/semantics-scripting.html#the-script-element): "Authors should omit the attribute, instead of redundantly giving a Ja…
cmb69 updated
3 years ago
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**Is your feature request related to a problem? Please describe.**
When validating an XML document, the first error message is about a missing `lang` attribute for the HTML element, but there is no H…
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Forgive my ignorance as I'm not very familiar with Java, but I'm getting this error when I try to run the `jar` with either Java 11 or 12:
```
Error: Unable to initialize main class org.w3c.css.cs…
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See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/template is valid usage of template. Tidy currently will add a `` wrap to the tr in template. This will break the html rendering
```
$…
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### What version of Tailwind CSS are you using?
v2.2.9
### What build tool (or framework if it abstracts the build tool) are you using?
Nuxt.js 2.15.8
### What version of Node.js are you using?
v…
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WordPress 5.7.2 outputs things like this:
``` html
```
These cause invalidity errors like this:
```
18:1-76 error Bad value “https://api.w.org/” for attribute “rel” on element…