### What problem does this PR solve? Support the case of one cell split by multiple columns. Besides, the codes are compatible with the common cell case. #8606 can be fixed. ### Type of change - [x] Bug Fix (non-breaking change which fixes an issue) I provide a case of one cell split by multiple columns: [test.xlsx](https://github.com/user-attachments/files/21578693/test.xlsx) The chunk res: <img width="236" height="57" alt="2025-06-17 16-04-07 的屏幕截图" src="https://github.com/user-attachments/assets/b0a499ac-349d-4c3d-8c6e-0931c8fc26de" /> |
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| .. | ||
| __init__.py | ||
| audio.py | ||
| book.py | ||
| email.py | ||
| laws.py | ||
| manual.py | ||
| naive.py | ||
| one.py | ||
| paper.py | ||
| picture.py | ||
| presentation.py | ||
| qa.py | ||
| resume.py | ||
| table.py | ||
| tag.py | ||