Please note this is an old forum thread. Information in this post may be out-to-date and/or erroneous.
Every phpdocx version includes new features and improvements. Previously unsupported features may have been added to newer releases, or past issues may have been corrected.
Adding this feature requires changes in the phpdocx code. As explained in our previous reply, it's a work-in-progress feature that will be added to a future release of phpdocx.