1864256 - List markers fly out in block-start direction if the list contains block element, in vertical-rl mode

Status: NEW

(Core :: Layout, defect)

Description

[747.neutron]

Attachment: vertical-rl-list-marker.html

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0

Steps to reproduce:

Make any list that contains elements whose <display-outside> value is block in writing-mode: vertical-rl environment.

Actual results:

The list marker is misplaced to the block-start direction (i.e. rightward) by approx. one line. See the test case.

Expected results:

Each marker should be aligned with the first line of list content, like in other writing modes.

Comment 1

[747.neutron]

Attachment: screenshot in GC 119

Chrome 119 is not affected by the problem.

Comment 2

[747.neutron]

Attachment: screenshot in Edge 119

Edge 119 is not affected by the problem.

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'Core::Layout' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 4

[747.neutron]

Attachment: screenshot FF 119

The issue seen as of FF 119, just for sure.