gentoo-overlay/dev-haskell/yesod-form/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
        <herd>haskell</herd>
        <longdescription>
                Form handling support for Yesod Web Framework
        </longdescription>
<use>
  <flag name='network-uri'>Get Network.URI from the network-uri package</flag>
</use>
</pkgmetadata>