R43500 PO Print with BI Publisher in multiple languages

Hi, we are trying to print multiple POs in the language of the supplier, using the original R43500 objectand BI publisher.

The generated XML seems fine and translations are OK. The only issue we have is with the detail headings.

The detail headings are located in a columnar section, separate from the main xml structure. They appear at the beginning of the document, right after the document properties. When we try to reference the fields within this section, BI Publisher behaves erratically because of the space contained in the node header <Purchase_Order_Print_S42_Column_Headings Language="E "> (between "Headings" and "Language"). BI seems to skip all characters after the space and returns the whole node.