docs: Add note for dimension bindings.

[christophsanz]

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[Rich-Harris]

Can I ask what prompted this? It's no longer true — we use ResizeObserver

[christophsanz]

Hey!

We tried to use it on display inline and it did not work.

Changing to block, flex or grid - everything works again.

Or at least it does not work when changing the size by adding content to an inline element, or changing the style, not sure about other means of changing size.

While debugging i stumpled upon this note in the the old docs and figured that the new docs will need it as well.

So my guess is the resizeObserver has the same limitations with display inline elements as the oled approach?

[Rich-Harris]

Huh! I could have sworn it worked on inline elements too — very surprising that it doesn't.

Interestingly, the <canvas> works fine, so it's about the element+styles rather than just styles. Not sure how best to encapsulate that

[christophsanz]

Not sure either, but some kind of small note would be nice until (or if) this can be done.

[Rich-Harris]

Okay so the <canvas> thing was a red herring, it's because it (and other elements like <img>) has intrinsic dimensions. All other display: inline elements are subject to this. Updated the note. Thanks!

[christophsanz]

@Rich-Harris Maybe you can add this note also to the general Docs here:
https://svelte.dev/tutorial/svelte/dimensions

Thank you!