message: Downgraded check on attribute "requires" in "extension" elements to a warning.
diff: @@ -4215,7 +4215,7 @@ void VulkanHppGenerator::checkCorrectness()
  }
  for ( auto const & require : extension.second.requirements )
  {
  - check( m_extensions.find( require.first ) != m_extensions.end(),
  + warn( m_extensions.find( require.first ) != m_extensions.end(),
  require.second,
  "unknown extension requires <" + require.first + ">" );
  }
  