Example:
[MENU1.DXF.gz](https://github.com/LibreDWG/libredwg/files/10567704/MENU1.DXF.gz)
[MENU1.DWG.gz](https://github.com/LibreDWG/libredwg/files/10567705/MENU1.DWG.gz)

In example is longest menu path, which could be.
```C:\ABCDEFG\HIJKLMNO\PQRSTUVW\XYZABCDE\FGHIJKLM\NOPQRS\ACAD```

First part is existing menu.
Second part is unknown_46 - 45 characters + null string
Identify second part of $MENU header variable
This is a GitHub Issue
repo:libredwg
owner:LibreDWG
Title : Identify second part of $MENU header variable
Issue date:

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Example:
[MENU1.DXF.gz](https://github.com/LibreDWG/libredwg/files/10567704/MENU1.DXF.gz)
[MENU1.DWG.gz](https://github.com/LibreDWG/libredwg/files/10567705/MENU1.DWG.gz)

In example is longest menu path, which could be.
```C:\ABCDEFG\HIJKLMNO\PQRSTUVW\XYZABCDE\FGHIJKLM\NOPQRS\ACAD```

First part is existing menu.
Second part is unknown_46 - 45 characters + null string
--- end body ---
