Usage of External Objects in Modelica

[XXing-dc]

Can the meaning of this sentence in Section 12.9.7 be interpreted as follows: The declaration of an external object component must include a declaration equation (since it cannot be modified or assigned a value afterwards)?

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Defining a variable of this type in Dymola enables it to load and display the Modelica_DeviceDrivers library.

model Unnamed
  Modelica_DeviceDrivers.Blocks.Packaging.SerialPackager.Internal.PartialSerialPackager a;
equation 
end Unnamed;

In the block Modelica_DeviceDrivers.Blocks.Packaging.SerialPackager.Internal.PartialSerialPackager, the connector component pkgIn contains an external object variable, and a normal equality equation for the external object is generated after connection processing. There is also a normal equality equation for the external object component in the equation section below. I would like to confirm whether assigning a value to an external object variable using an equality equation in the equation section is a standard usage?

[henrikt-ma]

What this library is doing is not valid Modelica, see for instance #1669 and #2399. Thus, I think this issue can be rejected while waiting for progress on the issues we already related to the library and its use of external objects.