Well, ISBLANK() is an Excel function -
https://support.office.com/en-us/article/IS-functions-0f2d7971-6019-40a0-a171-f2d869135665
- that will indicate whether or not a cell is blank. In addition, there is
nothing at all preventing you from creating your own version of POI with
that change made to the dereferenceResult() method. All you would need to do
is obtain the source for the project, modify it and build your own local
version. This page will get you started -
https://poi.apache.org/howtobuild.html - and it may be a better option than
waiting for a change to the project itself as that may require some
discussion.



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