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+# LaTeX laboratory
+
+Release 2022-06-01 pre-release 4
+
+## Overview
+
+This bundle holds optional files that are loaded in certain situations
+by kernel code (if available). For example, the new (as of 2021/12)
+`\DocumentMetadata` command in the kernel loads a file from here holding
+the real payload. While this code is still in development and the use
+is experimental and mainly for the tagging project, the code is stored
+outside the format so that there can be intermediate releases not
+affecting the production use of LaTeX.
+
+
+Once the code is finalized and properly tested it will eventually move
+to the kernel and the corresponding file in this bundle will
+vanish. Note that none of these files are directly user accessible in
+documents (i.e., they aren't packages) so the process is transparent
+to documents already using the new functionality.
+
+
+## Current support code in the bundle
+
+### Support for `\DocumentMetadata`
+
+### New output routine code (under development)
+
+ - so far there is a first implementation of footnote support
+
+
+## License
+
+The license is LPPL 1.3c.
+
+
+## Copyright
+
+This README file is
+
+Copyright (C) 2021-2022
+The LaTeX Project