Steps to reproduce the issue

create a new article starting with a page break and add additional content and pagebreaks:

`

Content_1

Content_2

Expected result

Actual result

as tabs:

as tabs with text before first pagebreak:

<joomla-tab id="myTab" recall="" orientation="horizontal" view="tabs"> <ul role="tablist"> <li role="presentation"><a role="tab" aria-controls="article3-tabs0" aria-selected="false" tabindex="-1" href="#article3-tabs0" id="tab-article3-tabs0">1</a></li> <li role="presentation"><a role="tab" aria-controls="article3-tabs1" aria-selected="true" tabindex="0" href="#article3-tabs1" id="tab-article3-tabs1" active="">Content_1</a></li> <li role="presentation"><a role="tab" aria-controls="article3-tabs2" aria-selected="false" tabindex="-1" href="#article3-tabs2" id="tab-article3-tabs2">Content_2</a></li> </ul> <section id="article3-tabs0" name="1" aria-labelledby="tab-article3-tabs0" aria-hidden="true" role="tabpanel"> <p>Text vor erstem pagebreak</p> </section> <section id="article3-tabs1" name="Content_1" active="" aria-labelledby="tab-article3-tabs1" role="tabpanel"> <p>Content_1</p> </section> <section id="article3-tabs2" name="Content_2" aria-labelledby="tab-article3-tabs2" aria-hidden="true" role="tabpanel"> <p>Content_2</p> </section> </joomla-tab>

System information (as much as possible)

php7.2, joomla 4.0.0-beta1-dev

Additional comments