I am Hideaki Hagiwara in Japan.
I showed example of JPiere(Japan+iDempiere) implementation at latest Workshop.
Multi Line Header Report is one of the example of JPiere implementation I showed.
I made patch.
But I think that this patch is not best.
Deepak said to me kindly that "let's improve together in community".
So, I post patch.
Please improve this patch.
I also attach TableElement.java.
I think that it works if replace it instead of patch.
I am happy if it is useful for community.