[oXygen-user] CSS validation warnings

[Oxygen XML Editor Support (Radu Coravu)]

Hi Frank,


There are two distinct aspects to this:


1) Installing your framework in Oxygen and editing a DITA topic in the 
Author mode using your custom framework's CSS. I tested and on my side 
Oxygen reports no error when opening and editing a DITA topic with your 
framework. So I cannot reproduce this problem you reported:


> This is annoying because the "Results" window keeps popping up 
> whenever I save a dita file.
2) Opening your "custom.css" in Oxygen and validating it. Here indeed 
some errors are reported.


2.1)


> Unknown pseudo-element or pseudo-class “:no-tags”
You can avoid this error by prefixing the custom pseudo class with 
"-oxy-", something like ":root:-oxy-no-tags".

Also make sure you prefix the pseudo class value also in the oxy_action.


2.2)


> “-2em” negative values are not allowed :
Such errors are reported by the W3C CSS validator, the CSS is considered 
invalid according to the CSS standard. We do not have settings to filter 
out errors reported by the CSS validator.


2.3)


> Property “margin-inline-start” doesn't exist : 0
Again this property does not see to be defined in the CSS3 standard and 
is reported as such by the W3C CSS validator. We do not have a way to 
inhibit this.

Oxygen's CSS engine used to render DITA topics in the Author mode does 
not support this "margin-inline-start" property or use it in any way. 
But some browsers seem to support it.


Regards,

Radu

Radu Coravu
Oxygen XML Editor


On 1/18/23 11:30, Frank Dissinger wrote:
>
> Hi list,
>
>
> I keep getting the following CSS validation errors for my "custom.css" 
> file in oXygen V25:
>
>   * Unknown pseudo-element or pseudo-class “:no-tags”
>   * Negative values are not allowed: -0.5em /(padding)/
>   * Property “margin-inline-start” doesn't exist : 0
>
> This is annoying because the "Results" window keeps popping up 
> whenever I save a dita file.
>
>
> How can I tell oXygen to ignore these elements/properties/values?
>
> I can't find the required settings under "Options > Preferences > CSS 
> Validator".
>
>
> Frank
>
> -- 
>
> *Frank Dissinger*
>
> Documentation Manager
>
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