Schema is absent

The XMIR document must contain the xsi:noNamespaceSchemaLocation attribute.

Incorrect:

<object>
  <o/>
</object>

Correct:

<object xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://www.eolang.org/xsd/XMIR-anything.xsd">
  <o/>
</object>

Published on Fri Oct 10 22:54:00 UTC 2025.