diff -r C:\Tools\venv_on_windows\venv\Scripts\activate.bat C:\Tools\venv_on_windows\orig\activate.bat
32,33c32,33
< REM if defined _OLD_VIRTUAL_PATH (
< if not defined _OLD_VIRTUAL_PATH goto ENDIFVPATH1
---
> 
> if defined _OLD_VIRTUAL_PATH (
35,37c35
< :ENDIFVPATH1
< REM ) else (
< if defined _OLD_VIRTUAL_PATH goto ENDIFVPATH2
---
> ) else (
39c37
< :ENDIFVPATH2
---
> )