markup-validator
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w3c
I have a custom element, that behaves exactly like a element, except is run only after user has given consent for it to be run (GDPR requirements). This consent-script is...
If I check a page with a tab containing the code ``` Study here Study there Study everywhere ``` I receive the errors: Attribute aria-posinset not allowed on element a...
I learned recently that there are two common ways to specify a favicon in an HTML document's header: ``` ``` or ``` ``` The rel="shortcut icon" seems to be deprecated,...
Following https://github.com/w3c/markup-validator/issues/35 (which I just found), https://github.com/w3c/markup-validator/issues/42 (which I took the time to file), and https://github.com/w3c/markup-validator/commit/1b12fe496bb457950944782f133f547cee3cef56 ... I must say, you really need to not have a validator on w3.org...
Currently, template directories are found in the order listed in the Language option in validator.conf. Enhanced patches no longer use the Language option. By referring to the Accept-Languages header value...
This PR is for Korean users. These files were written in utf-8.
Problem: Validator *should* throw an error when there is an active "main" entity on the document and another entity in the DOM (Document Object Model) has the role of "main"....
From the http://httpd.apache.org/docs/current/mod/mod_include.html As of version 2.3.13, mod_include has switched to the new ap_expr syntax for conditional expressions in #if flow control elements. This directive allows to switch to the...
Some scammers are tricking non-tech-savvy users into “validating” their e-mail addresses on [`validator.w3.org/`](https://validator.w3.org/). Apparently, the validator takes the domain portion of the address and tries to validate that. If the...
