community[minor]: 04 - Refactoring PDFMiner parser (#29526)
This is one part of a larger Pull Request (PR) that is too large to be
submitted all at once. This specific part focuses on updating the XXX
parser.
For more details, see [PR
28970](https://github.com/langchain-ai/langchain/pull/28970).
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Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
