Steps to Reproduce

Run Issue1114Test in keikai.test

Current Result

Dec 25, 2020 2:06:24 PM io.keikai.importer.XlsxImporter importMergedRegions
WARNING: Drop the region A1:D1[0,0,0,3] which is overlapped with existing merged area A1:D1[0,0,0,3].

Expected Result

no such warning

Debug Information

This might not be a bug. The Excel complains when load the tested file.

The root cause is because the merge cell overlapped to each other which is not correct.

Workaround