1640419 - Text selection is not working properly when used with custom elements

Status: RESOLVED DUPLICATE of bug 1590379

(Core :: DOM: Selection, defect)

Description

[mio991]

Attachment: custom-elements-selection-bug.html

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:76.0) Gecko/20100101 Firefox/76.0

Steps to reproduce:

I create custom elements as shown in the attached file.

then tried to select text in an element and across their borders.

also on 'Ctrl+A' nothing in the custom elements gets selected

Actual results:

I got only partial selection showing up, also when copy&pasting only the actualy marked text got copied.

Expected results:

I should have goten a complete selection of the text

Comment 1

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

Bugbug thinks this bug should belong to this component, but please revert this change in case of error.