Scott Pakin submitted an update to the
hyperxmp
package.
Version number: 2.4 License type: lppl
Summary description: Embed XMP metadata within a LaTeX document
Announcement text: ----------------------------------------------------------------------
XMP (eXtensible Metadata Platform) is a mechanism proposed by Adobe for embedding document metadata within the document itself. The metadata are designed to be easy to extract, even by programs that are oblivious to the document's file format. Most of Adobe's applications store XMP metadata when saving files. Now, with the hyperxmp package, it is trivial for LaTeX document authors to store XMP metadata in their documents as well.
hyperxmp integrates seamlessly with hyperref and requires virtually no modifications to documents that already exploit hyperref's mechanisms for specifying PDF metadata. The current version of hyperxmp can embed the following metadata as XMP: authors, base URL, contact telephone number/postal address/email address/URL, copyright statement, creation date, document identifier, document instance identifier, file format, keywords, language, LaTeX file name, license URL, metadata writer, PDF version, PDF-generating tool, PDF/A compliance level and version, primary author's position or title, subject/summary, and title. hyperxmp is compatible with pdflatex, latex+dvips+ps2pdf, latex+dvipdfm, xelatex, and lualatex.
Version 2.4 of hyperxmp embeds more precise timestamps (when possible), uses proper version 4 UUIDs, provides an xmptilde macro for including tildes in URLs, and includes better support (thanks to Florian Breitwieser) for producing PDF/A-compliant XMP metadata.
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This package is located at http://mirror.ctan.org/macros/latex/contrib/hyperxmp/
More information is at http://www.ctan.org/pkg/hyperxmp
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Thanks for the upload.
For the CTAN Team Petra Rübe-Pugliese