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This is the jpeg2pdf project ("jpeg2pdf")
This project was registered on SourceForge.net on Aug 14, 2010, and is described by the project team as follows:
Cross-platform command-line tool for creation of PDF documents from scans/photos of pages in JPEG (.jpg) format and the lightest weight ANSI C library to put multiple JPEG files into one PDF file. You can add handwritten comments to PDF scans (over original images) with xournal: http://xournal.sourceforge.net/ It supports graphics tablets and saves comments to PDFs as vector data.
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