小L工具箱第三方组件说明
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PDFsharp-GDI 6.2.4
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用途：PDF 合并、拆分及文档元数据处理。
项目：https://github.com/empira/PDFsharp
许可证：MIT License。
版权：© 2026 empira。

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

FFmpeg（可选扩展组件）
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用途：本地视频与音频处理。
小L工具箱不随轻量发布包分发 FFmpeg，用户可以自行部署兼容的 ffmpeg.exe。
项目：https://ffmpeg.org/
推荐 Windows 构建：https://www.gyan.dev/ffmpeg/builds/
FFmpeg 的实际许可证取决于用户部署的具体构建。若使用小L工具箱提供链接的 GPLv3 构建，
请同时阅读同目录的 LICENSE-FFmpeg-GPLv3.txt，并从对应构建发布方获取源代码。

小L工具箱通过独立进程调用 ffmpeg.exe，不修改或链接 FFmpeg 本体。
