Guillaume Ayoub

Fix right-to-left tables with collapsed borders

1

Fix #2055. Related to #2056.

In [CSS 2.1](https://www.w3.org/TR/CSS2/visuren.html#floats): >The border box of a table, a block-level replaced element, or an element in the normal flow that establishes a new [block formatting context](https://www.w3.org/TR/CSS2/visuren.html#block-formatting) (such as an...

Example: ``` ``` Crashes with `weasyprint image.html image.pdf --dpi=10`

Tiny sample to reproduce: ```html a ```

That would be super useful for `dl` tags for example. See [CSS Display Module Level 3](https://drafts.csswg.org/css-display/#run-in-layout).

This serializer could be used by a CSSOM serializer. Related to #40.

Fix #47.

It would be great to be referenced by [caniuse](https://caniuse.com/). Adding a new browser is not supported yet according to [the CONTRIBUTING file](https://github.com/Fyrd/caniuse/blob/main/CONTRIBUTING.md#unsupported-changes), so the first step is to find how/if...