Html2OpenXml is a small .Net library that convert simple or advanced HTML to plain OpenXml components. This program has started in 2009, initially to convert user's comments into templated Word.
When ProcessCommonAttributes is being called and contains containerStylesAttributes during the execution of BeginTag it can cause the firstChild style (in this example "w:tcW") to be removed.
When ProcessCommonAttributes is being called and contains containerStylesAttributes during the execution of BeginTag it can cause the firstChild style (in this example "w:tcW") to be removed.
Example screenshot