Spurious line breaks when em present

In the attached zip file there's an HTML and it's resulting PDF.

Apparently, the presence of "em" causes a weird dislocation of the HTLM entity into the next line.

This is with Version 16.05, but can also be reproduced with 17.3
Hi Arne,

Thanks for your inquiry. We have tested the scenario using latest version of Aspose.Words for .NET 17.3.0 and have not found the share issue. Please use Aspose.Words for .NET 17.3.0. We have attached the output PDF with this post for your kind reference.

If you still face problem, please share your expected output document here for our reference. We will then provide you more information on this.