[NTG-context] text backgrounds in bTABLE...

Hi all, I have problem with the background of some text inisde bTABLE cell. The input file is in my case some common XML, so inside table cell various paragraph elements appear. That is why I cannot simple set up background for cell itself. The problem is that the background does not fit into cell as it is spread over all text width. The attached example contains corresponding TeX code -- a cell contains two pars and one verbatim with background. And the background flows out of the cell. Thank you and have a nice day, Martin