kordoc Copyright 2026 chrisryugj Licensed under the MIT License This project includes code derived from the following third-party works: ================================================================================ OpenDataLoader PDF (opendataloader-pdf) https://github.com/opendataloader-project/opendataloader-pdf Copyright 2025-2026 Hancom, Inc. Licensed under the Apache License, Version 2.0 Used in: - src/pdf/line-detector.ts — TableBorderBuilder algorithm (line-based table detection via PDF graphics commands, grid construction from line intersections) - src/pdf/cluster-detector.ts — ClusterTableConsumer algorithm (cluster-based borderless table detection via text alignment patterns) Modifications: - TypeScript rewrite from Java/Kotlin - pdfjs-dist v4/v5 compatibility layer - Korean PDF-specific optimizations (character spacing, cell text merging) You may obtain a copy of the Apache License at: http://www.apache.org/licenses/LICENSE-2.0 ================================================================================ hml-equation-parser https://github.com/OpenBapul/hml-equation-parser Copyright 2018 Open Bapul Licensed under the Apache License, Version 2.0 Used in: - src/hwpx/equation.ts — hmlToLatex() (HULK-style HWPX equation script → LaTeX) derived from hulkEqParser.py and hulkReplaceMethod.py Modifications: - TypeScript rewrite from Python 3 - Inlined convertMap.json as TS constants - Graceful error handling so failed conversion drops the equation rather than leaking the HWP alt-text ("수식입니다") through the document See THIRD_PARTY/hml-equation-parser.LICENSE for the full license text. You may obtain a copy of the Apache License at: http://www.apache.org/licenses/LICENSE-2.0 ================================================================================ cfb (Compound File Binary) https://github.com/SheetJS/js-cfb Copyright 2013-present SheetJS LLC Licensed under the Apache License, Version 2.0 Used as a dependency for HWP 5.x OLE2 container parsing. No modifications — used as a bundled npm package. ================================================================================ pdfjs-dist (PDF.js) https://github.com/mozilla/pdf.js Copyright Mozilla Foundation Licensed under the Apache License, Version 2.0 Used as an optional peer dependency for PDF text extraction. No modifications — used as an npm package. ================================================================================ JSZip https://github.com/Stuk/jszip Copyright 2009-2016 Stuart Knightley, David Duponchel, Franz Buchinger, Antonio Afonso Dual-licensed under the MIT License OR GPL-3.0-or-later This project uses JSZip under the MIT License. Used for ZIP-based format parsing (HWPX, XLSX, DOCX). No modifications — used as an npm package. ================================================================================ rhwp https://github.com/edwardkim/rhwp Copyright edwardkim Licensed under the MIT License Used in: - src/hwp5/cfb-lenient.ts — LenientCfbReader algorithm (FAT/directory/mini-stream parsing for corrupted CFB containers) - src/hwp5/crypto.ts — Distribution document decryption algorithm (AES key extraction from MSVC LCG-scrambled payload) Modifications: - TypeScript rewrite from Rust - Added sector size validation, chain length limits, and cycle detection - Pure JS AES-128 ECB implementation (no native dependency) ================================================================================ Pix2Text — Mathematical Formula Detection & Recognition https://github.com/breezedeus/Pix2Text Copyright 2023-2024 breezedeus MFD (Mathematical Formula Detection): trained on Ultralytics YOLOv8 — MFD model weights themselves are distributed under MIT via the HuggingFace repository `breezedeus/pix2text-mfd`, but the underlying YOLOv8 architecture carries an AGPL-3.0 license from Ultralytics. Users distributing derivative works built on MFD outputs should review Ultralytics' licensing terms. MFR (Mathematical Formula Recognition): HuggingFace `breezedeus/pix2text-mfr`, MIT License. Used in: - src/pdf/formula/detector.ts — YOLOv8 letterbox preprocessing, NMS post-processing - src/pdf/formula/recognizer.ts — DeiT encoder + TrOCR decoder greedy decoding - src/pdf/formula/postprocess.ts — LaTeX output cleanup (derived from Pix2Text `latex_ocr.py` post_process) Models are downloaded at runtime from HuggingFace with SHA-256 verification. No model weights are redistributed with this package. Algorithm implementations are original TypeScript ports referencing the Pix2Text algorithm descriptions. You may obtain a copy of the MIT License at: https://opensource.org/licenses/MIT ================================================================================ PaddleOCR / PP-OCRv5 — Text Detection & Recognition Models https://github.com/PaddlePaddle/PaddleOCR Copyright PaddlePaddle Authors Licensed under the Apache License, Version 2.0 Model weights (ONNX conversions, downloaded at runtime with SHA-256 verification, not redistributed with this package): - PP-OCRv5_mobile_det (HuggingFace `PaddlePaddle/PP-OCRv5_mobile_det_onnx`) - korean_PP-OCRv5_mobile_rec + character dictionary (HuggingFace `PaddlePaddle/korean_PP-OCRv5_mobile_rec_onnx`) Used in: - src/ocr/engine.ts — DBNet det pre/post-processing (resize_long 960, thresh/ box_thresh/unclip per official inference.yml; DB unclip approximated with axis-aligned component boxes) + CTC greedy decoding, following the PaddleOCR inference operator specifications. Original TypeScript implementation. - src/ocr/models.ts — model specs + inference.yml character_dict parser You may obtain a copy of the Apache License 2.0 at: https://www.apache.org/licenses/LICENSE-2.0 ================================================================================ claw-hwp https://github.com/DoHyun468/claw-hwp Copyright (c) 2026 DoHyun468 Licensed under the MIT License Used in: - src/hwpx/chart-gen.ts — OOXML chartSpace 조립(buildChartSpace)·차트 타입 20종 테이블·계열/축/색 XML 생성을 hwpx-edit.js에서 TS로 이식 (한컴독스 GT 검증 구현) - src/form/seal.ts — 도장 부유 배치의 폰트 메트릭 위치 산정(전각/반각 em 폭, 정렬 이동 보정)과 부유 개체 속성 규칙(treatAsChar=0 + flowWithText=0 + allowOverlap=1)을 cell-patch.js placeSealInPlace에서 이식 - src/form/match.ts — secure-fill 포맷엔진과 require_occurrence 규칙 이식 - src/validate.ts — validate.py 의 실측 검사셋 이식 라이선스 전문: THIRD_PARTY/claw-hwp.LICENSE You may obtain a copy of the MIT License at: https://opensource.org/licenses/MIT