User:SPage (WMF)/VE bugs

Test document to reproduce some VE bugs.

First heading
Some text

^ on my user page, whenever I try to prepend a section by clicking on this heading and press Enter, VE soon goes haywire.

Heading with br underneath
Here is some text.

^ In https://en.wikipedia.org/w/index.php?title=Lymph_node_stromal_cell&diff=556179187&oldid=555482296, its edits appeared to remove the whitespace betwen and the text beneath.