ChristophP

@cacay Sweet, I need exactly this as well. I was just about to do it myself, when I found this PR. @evancz any chance of you merging this? Would be...

Are your sure both of those messages (the readable part and the JSON) are written to the same output stream? Usually the message part could be written to stdout while...

Ah, I see 😢

Yes, there are tons of libraries that are built on this the standard of CSS custom properties, such as this one. Each component can be customized with custom properties. https://shoelace.style/components/image-comparer?id=css-custom-properties...

I remember back then that @Lattyware did a great job explaining why CSS custom properties should be supported and had lots of details in his response in discourse, which sadly...

@harrysarson I'm using a css class which sets whatever property needs to be set. ```css .color-red { color: var(--my-red); } ``` So I have a workaround for my use cases....

@SuPythony this is where the last conversation went silent https://discourse.elm-lang.org/t/css-custom-properties/5554. There seemed to be concerns about performance implications of making the change (elm is usually benchmarked pretty well for performance)...

@harrysarson ah I see, didn't know about those camel-case/kebap-case spelling issues. Yeah, that could lead to code breaking and would thus warrant a new major version of elm/html I guess....

@Lattyware I think that would be pretty nice and it be possible to add support without breaking changes. But I wonder if how well that fits into Elm's API design...

@lydell @harrysarson is it necessary to check whether the property exists in the DOM or could be just check the property name instead? ```js if (property[0] === '-' && property[1]...