module renaming does not work

Summary

Module renaming does not work as described in Section 8.2.3.1 (EXAMPLE 4 and point i).

Steps and/or TTCN-3 code to reproduce

In one module different from module D:

import from D -> DD all;

In module D:

module D {
type integer dint;
}

What is the current bug behavior?

Compilation error.

What is the expected correct behavior?

Successful build.

Relevant logs and/or screenshots

../src/modules.ttcn:11.15-16: error: at or before token `->': syntax error

Possible fixes

Titan version

8.1.0

Platform details (OS type and version)

Microsoft Windows 10 Enterprise 10.0.19042

/cc @aknappqwt @mmagyari