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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <description>co-maintainers welcome</description>
+    <email>lssndrbarbieri@gmail.com</email>
+    <name>Alessandro Barbieri</name>
+  </maintainer>
+  <upstream>
+    <bugs-to>https://github.com/coatless/rcppensmallen/issues</bugs-to>
+    <doc lang="en">https://cran.r-project.org/web/packages/RcppEnsmallen/RcppEnsmallen.pdf</doc>
+    <changelog>https://cran.r-project.org/web/packages/RcppEnsmallen/ChangeLog</changelog>
+    <maintainer>
+      <name>James Joseph Balamuta</name>
+      <email>balamut2@illinois.edu</email>
+    </maintainer>
+    <remote-id type="github">coatless/rcppensmallen</remote-id>
+  </upstream>
+  <longdescription lang="en">
+Header-Only C++ Mathematical Optimization Library for 'Armadillo'
+// 'Ensmallen' is a templated C++ mathematical optimization
+library (by the 'MLPACK' team) that provides a simple set of
+abstractions for writing an objective function to optimize.
+Provided within are various standard and cutting-edge
+optimizers that include full-batch gradient descent techniques,
+small-batch techniques, gradient-free optimizers, and
+constrained optimization.
+  </longdescription>
+</pkgmetadata>