HaiyangP 79399f7f25 Support the case of one cell split by multiple columns. (#9225) ...

### 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"
/>

2025-08-11 17:17:56 +08:00

..

__init__.py

Update comments (#4569)

2025-01-21 20:52:28 +08:00

audio.py

Update comments (#4569)

2025-01-21 20:52:28 +08:00

book.py

Feat: Redesign and refactor agent module (#9113)

2025-07-30 19:41:09 +08:00

email.py

Feat: Redesign and refactor agent module (#9113)

2025-07-30 19:41:09 +08:00

laws.py

Feat: Redesign and refactor agent module (#9113)

2025-07-30 19:41:09 +08:00

manual.py

Feat: Redesign and refactor agent module (#9113)

2025-07-30 19:41:09 +08:00

naive.py

Fix "no tc element at grid_offset" (#9375)

2025-08-11 17:13:10 +08:00

one.py

Feat: Redesign and refactor agent module (#9113)

2025-07-30 19:41:09 +08:00

paper.py

Feat: Redesign and refactor agent module (#9113)

2025-07-30 19:41:09 +08:00

picture.py

Feat: add image preview to retrieval test. (#7610)

2025-05-13 14:30:36 +08:00

presentation.py

Fix: PlainParser using fix in presentation (#9239)

2025-08-05 17:48:18 +08:00

qa.py

Fix: Solve the OOM issue when passing large PDF files while using QA chunking method. (#8464)

2025-06-25 10:25:45 +08:00

resume.py

Update comments (#4569)

2025-01-21 20:52:28 +08:00

table.py

Support the case of one cell split by multiple columns. (#9225)

2025-08-11 17:17:56 +08:00

tag.py

Error storing tag in Redis (#7541)

2025-05-09 10:17:09 +08:00