Clone in a terminal:
org.gsettings.test.gschema.xml
<schemalist>
  <schema id="org.gsettings.test" path="/tests/" gettext-domain="test">
    <key name="greeting" type="s">
      <default l10n="messages">"Hello, earthlings"</default>
      <summary>A greeting</summary>
      <description>
        Greeting of the invading martians
      </description>
    </key>

    <key name="build-system" enum="org.gsettings.test.BuildSystemType">
      <!-- Uncomment to test schema error handling -->
      <!-- <default>'moose'</default> -->
      <default>'waf'</default>
    </key>
  </schema>
</schemalist>

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