[Question]: the var b shoud be b_ in the following code

[chinamerp]

Describe your problem

(https://github.com/infiniflow/ragflow/blob/c0d71adaa2c6c8d5b54d2ec5e4fe51ad0ea07c01/deepdoc/parser/pdf_parser.py#L395C16-L395C56)

            concatting_feats = [
                b["text"].strip()[-1] in ",;:'\"，、‘“；：-",
                len(b["text"].strip()) > 1 and b["text"].strip(
                )[-2] in ",;:'\"，‘“、；：",
                b["text"].strip()[0] in "。；？！?”）),，、：",   ### should be b_?
            ]

[KevinHuSh]

Yes, you could submit a PR.
Thanks!